 Home > Organic Chemistry > Quinones > Quinone for Sale > Benzoquinone / 1,4-Benzoquinone cas no 106-51-4

Benzoquinone / 1,4-Benzoquinone cas no 106-51-4

COA TDS 5 Inquiries

Unit Price:

$1/MT FOB

Get Latest Price 

CAS No.:

106-51-4

Grade:

Industrial Grade

Content:

99%

Port:

qingdao

Brand:

HLY

Packaging:

Fibre Drum

Price valid (until):

2027-02-28

Contact Supplier

 Chat Now

Suqian City Hengliyuan Import and Export Trade Co., LTD

Company Type:

Trader

Location:

China

Payment Terms:

TT against B/L draft before shipment,100% TT in advance

Average Lead Time:

30 days

Qualification:

Main Products:

Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

 Visit Store

Product Description
Seller Information
Inquiry History

Description

Company Profile ----------
Suqian City Hengliyuan Import and Export Trade Co., LTD is a trading company. The company has introduced advanced scientific and technological achievements from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:
1. Domestic trade of various chemical raw materials;
2. Providing price information services and chemical raw material procurement for industrial enterprises;
3. Cooperating with Chinese state-owned enterprise factories, the price and quality are very advantageous.
At present, the company is relying on the combination of industry and trade and global procurement to steadily improve the company's value-added ability and compound competitiveness. We have always been committed to producing high-quality and low-cost goods, so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every customer with professional services and attitudes. We look forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will definitely satisfy you.

Shop Benzoquinone / 1,4-Benzoquinone cas no 106-51-4-Detailed Image 1

Shop Benzoquinone / 1,4-Benzoquinone cas no 106-51-4-Detailed Image 2

----------packaging and delivery ----------

----------Our Advantages---------
High quality with competitive price
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We can provide high quality products with factory price
2. Fast delivery
1) Fast shipment.Various transportation methods for your choice.
2) We have our own agent/remailer/distributor who can help us ship our products very fast , and we have stock in the ir for transferring.
3. Good communication and credit
1) Fast response to customer within 5 hours
2) Good business credit in Europe, US, Japan, Korea, Af r ica and so on.

p-Benzoquinone (1,4-Benzoquinone) CAS 106-51-4

1. Basic Identification

CAS No.: 106-51-4

IUPAC Name: Cyclohexa-2,5-diene-1,4-dione

Synonyms: p-Quinone, 1,4-Cyclohexadienedione, Para-benzoquinone

EINECS No.: 203-405-2

MDL No.: MFCD00001591

Molecular Formula: $\mathbf{C_6H_4O_2}$

Structural Formula:

Shop Benzoquinone / 1,4-Benzoquinone cas no 106-51-4-Detailed Image 4

p-Benzoquinone Structure

Molecular Weight: 108.09

SMILES: O=C1C=CC(=O)C=C1

UN Number: UN 2587

HS Code: 2914690090

Hazard Classification: Class 6.1 Toxic Solid + Class 4.1 Flammable Solid, Packing Group II

Chemical Category: Aromatic quinone compound, strong oxidizing fine chemical intermediate, polymerization inhibitor

2. Physical & Chemical Properties

Appearance

Bright yellow monoclinic prismatic crystal solid; pungent, chlorine-like irritating odor; volatile and easily sublimates under heating; turns dark brown under long-term light exposure.

Physical Constants

Parameter	Standard Value	Supplementary Remarks
Melting Point	113–115 ℃	Pure crystal melting range
Boiling Point	293 ℃	Decomposes slightly at high temperature while boiling
Density (20 ℃)	1.318 g/cm³	Solid crystal density
Vapor Density (Air=1)	3.73	Vapor heavier than air, accumulates in low confined spaces
Vapor Pressure (25 ℃)	0.1 mmHg	Volatile at room temperature, toxic irritating vapor
Autoignition Temperature	435 ℃	Flammable solid
Flash Point	38 ℃	Closed cup
Water Solubility (25 ℃)	14 g/L	Slightly soluble in cold water, soluble in hot water
Organic Solvent Solubility	Fully soluble in ethanol, methanol, acetone, ether, benzene, toluene; soluble in alkaline aqueous solution
pH (1g/L aqueous solution)	~4.0	Weakly acidic solution
Sublimation Characteristic	Sublimes completely at 100 ℃ under normal pressure without decomposition

Core Chemical Characteristics

Dual α,β-unsaturated diketone structure, strong oxidizing property

Easily reduced to hydroquinone (1,4-dihydroxybenzene) — this is its most important industrial reversible redox reaction.
Diels-Alder dienophile reagent

Participates in cycloaddition reaction with conjugated dienes to synthesize naphthoquinone and polycyclic aromatic intermediates for dyes and pharmaceuticals.
Polymerization inhibition function

Captures free radicals generated by acrylic, vinyl monomers, effectively preventing spontaneous thermal polymerization of unsaturated monomers (acrylate, styrene, vinyl acetate).
Oxidation & dehydrogenation agent

Dehydrogenates cyclohexane derivatives, cyclic olefins and heterocycles for fine chemical synthesis.
Photochemical instability

UV light triggers self-oxidation, darkens color and generates tar-like polymer impurities; must be stored under light-proof packaging.
Incompatible hazardous materials

Strong reducing agents, metal powders, combustible organics, strong alkalis, peroxide initiators, ammonia, hydrazine; mixing may cause exothermic reaction and fire risk.
Tanning & crosslinking property

Crosslinks collagen protein in leather, improves leather hardness and rot resistance, widely used as vegetable tanning auxiliary.

3. Export Industrial Quality Specifications

Premium Industrial Grade (≥99.0%, mainstream export)

Test Item	Standard Spec	Test Method
p-Benzoquinone Assay	≥99.0 %	Iodometric titration / HPLC
Hydroquinone Residual	≤0.30 %	HPLC
Moisture Content	≤0.20 %	Karl Fischer Titration
Ash Content	≤0.05 %	Gravimetric incineration
Chloride Ion (Cl⁻)	≤0.01 %	Silver nitrate turbidimetry
Heavy Metals (Pb)	≤10 ppm	Atomic Absorption Spectroscopy
Melting Point Range	112–115 ℃	Melting point apparatus
Appearance	Uniform bright yellow crystal, no brown discoloration or agglomeration	Visual Inspection

High-Purity Pharma Reagent Grade (≥99.5%)

Single impurity ≤0.05%, ultra-low ash and metal ions, light-proof vacuum packaging, used for peptide synthesis, heterocyclic API intermediates and laboratory analytical standard reagents.

4. Main Industrial Applications

4.1 Core Raw Material for Hydroquinone Production (Largest Consumption)

Industrial reversible oxidation-reduction cycle: p-benzoquinone hydrogenated to produce hydroquinone, which is widely used as photographic developer, rubber antioxidant, cosmetic whitening raw material, and water treatment scale inhibitor.

4.2 Polymerization Inhibitor for Acrylate & Vinyl Monomers

Stabilizer for ethyl acrylate, methyl acrylate, butyl acrylate, styrene, vinyl acetate during storage and transportation; blocks free radical polymerization to avoid gel formation in monomer drums.
Thermal inhibitor for unsaturated polyester resin, UV curing monomer production and storage.

4.3 Pharmaceutical & Peptide Synthetic Intermediates

Diels-Alder cycloaddition substrate to synthesize quinoline, pyridine, naphthoquinone heterocyclic drug skeletons for anti-malarial, anti-inflammatory and anti-tumor APIs.
Oxidation reagent in solid-phase peptide synthesis, selective dehydrogenation of amino acid side chains.
Raw material for veterinary fungicides and bacteriostatic drug intermediates.

4.4 Dye & Pigment Industry

Precursor for anthraquinone acid dyes, disperse dyes and vat dyes; quinone chromophore provides stable color fastness.
Synthesis of organic fluorescent pigments and textile color-fixing auxiliaries.

4.5 Leather Tanning Industry

Protein crosslinking tanning agent for cowhide, sheepskin and pigskin; improves leather tensile strength, waterproof performance and anti-mildew ability, replaces partial toxic inorganic chrome tanning agents.

4.6 Photographic & Paper Industry

Photographic gelatin hardener, crosslinks gelatin molecules to enhance film layer water resistance and mechanical strength.
Paper anti-yellowing auxiliary, prevents paper fiber oxidation discoloration during long-term storage.

4.7 Laboratory Analytical Reagent

Standard oxidizing titration reagent for reducing substance quantitative detection.
Spectrophotometric color developing agent for trace amine and phenol content testing in environmental water samples.

5. Toxicology, Health Hazards & First Aid

Toxicity Profile

Acute Oral LD50 (Rat): 130 mg/kg (highly toxic solid)
Dermal hazard: Strong skin corrosive irritant, easily absorbed through skin
Chronic risk: Long-term inhalation or contact causes skin pigmentation, dermatitis, corneal damage, respiratory tract lesions; potential mutagenic risk.

Exposure Symptoms

Inhalation of vapor/dust: Severe throat burning, cough, chest tightness, headache, nausea, pulmonary edema in high concentration.
Eye contact: Corneal erosion, blurred vision, permanent vision damage without timely flushing.
Skin contact: Erythema, blisters, dark brown pigmented scars after healing.
Oral ingestion: Severe abdominal pain, vomiting, diarrhea, liver and kidney organ damage.

Complete First-Aid Procedures

Inhalation: Move victim to upwind fresh air; supply high-flow oxygen; seek emergency hospital treatment if breathing difficulty occurs.
Skin Contact: Immediately strip all contaminated clothing; rinse skin continuously with large volume of running clean water for ≥15 minutes.
Eye Splash: Force open eyelids, flush eyes with room-temperature running water for minimum 15 minutes; mandatory ophthalmic examination.
Oral Ingestion: Do NOT induce vomiting; drink plenty of diluted milk or clean water for neutralization; rush to hospital emergency department.

6. Storage, Handling & Incompatibility Rules

Mandatory Storage Conditions

Warehouse classification: Dedicated Class 6.1 toxic + Class 4.1 flammable solid independent warehouse, isolated from food, feed and daily chemicals.
Temperature control: Ambient temperature ≤25 ℃, fully light-proof storage, avoid direct sunlight irradiation to prevent discoloration and self-decomposition.
Sealing requirement: All packages tightly sealed to prevent volatile toxic vapor leakage; warehouse equipped with dehumidification equipment to avoid deliquescence caking.
Static control: All transport pallets grounded; only non-sparking copper tools allowed for loading/unloading.
Shelf life: 12 months under original light-proof sealed packaging; discard if crystal turns dark brown or sticky agglomeration appears.

Strictly Separated Incompatible Materials

Reducing agents: Sodium borohydride, metal powder (Al, Fe, Zn), hydrazine
Combustible organics: Wood dust, solvent oil, plastic raw materials, rubber powder
Strong alkalis: NaOH, KOH, ammonia water
Peroxide polymerization initiators, concentrated mineral acids, edible raw materials.

Safe Operation Specifications

Operators must wear gas-proof respirators, nitrile chemical-resistant full-body protective clothing, impact safety goggles and anti-corrosion gloves.
All operation zones maintain negative pressure exhaust ventilation; smoking, open flame and friction sparks are prohibited within 15m radius.
Small leakage: Collect with dry inert sand, put into sealed hazardous waste metal barrels for professional disposal; do not sweep dust with broom to avoid toxic vapor diffusion.
Large bulk leakage: Build sand retaining dike to contain solid crystal, prevent flow into sewage pipeline and water body.

7. Export Packaging & Global Transportation Regulations

Standard Export Packaging Modes

Industrial bulk crystal grade: 25kg inner light-proof plastic film bag + outer PP woven bag; or 25kg light-proof lined iron drum with PTFE sealed gasket
High-purity reagent grade: 1kg / 5kg brown vacuum-sealed plastic bottle with anti-leak outer protective barrel
Large batch sea shipment: 1000kg IBC light-proof plastic tank container with nitrogen filling protection

UN Transport Compliance Rules

UN 2587, Class 6.1 Toxic Substance + Class 4.1 Flammable Solid, Packing Group II

Road transport: Vehicles equipped with exhaust flame arrestors, dual dry powder & CO₂ fire extinguishers; fully enclosed cargo compartment with ventilation.
Ocean shipment: Comply with IMDG Code toxic flammable solid dangerous goods standards; all packages affixed toxic + flammable dual hazard labels, stacking height ≤2 layers.
Loading ban: Absolutely forbidden mixed loading with edible goods, feed, reducing agents, strong alkalis and combustible materials in the same container.

Full Export Document Package

Batch Certificate of Analysis (COA)
GHS-compliant MSDS / SDS
Technical Data Sheet (TDS)
Marine Dangerous Goods Declaration
Toxic hazardous goods classification certificate
REACH compliance registration report

8. GHS Global Hazard Label Statements

Signal Word: Danger

Hazard Statements:

H228 Flammable solid

H301 Toxic if swallowed

H311 Toxic in contact with skin

H314 Causes severe skin burns and eye damage

H331 Toxic if inhaled

H410 Very toxic to aquatic life with long lasting effects

Precautionary Statements:

P210 Keep away from heat, sparks, open flames, hot surfaces – No smoking

P260 Do not breathe dust/vapor

P280 Wear protective gloves, protective clothing, eye protection, face protection

P301+P310 IF SWALLOWED: Immediately call a poison center or doctor

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes

P403+P235 Store in a well-ventilated place. Keep cool and protected from light

9. Fire Emergency Disposal Plan

Approved Fire Extinguishing Agents

Primary: Dry chemical powder fire extinguisher, carbon dioxide (CO₂) extinguisher
Auxiliary: Large volume water spray (only cool surrounding packages, dilute toxic vapor concentration)

Forbidden Agents

Foam fire extinguishers (quinone oxidizes foam components to accelerate combustion)

Fire Site Operation Steps

Evacuate all personnel to upwind safe zone, isolate fire area and cut all ignition sources.
Continuously cool surrounding stacked quinone packages with water spray to prevent thermal decomposition and toxic smoke diffusion.
Avoid direct high-pressure water jet impact on burning solid to prevent toxic crystal splashing spread.
After fire extinguishing, collect all residual solid waste as hazardous waste for centralized treatment, do not discharge into environment.

10. Printable Export COA Template

CERTIFICATE OF ANALYSIS

Product Name: p-Benzoquinone (1,4-Benzoquinone)

CAS No.: 106-51-4

Grade: Export Premium Industrial Grade

Batch No.: ____________

Net Weight: 25kg/drum

Manufacture Date: ____________

Test Item	Standard Spec	Test Result	Test Method
p-Benzoquinone Assay	≥99.0 %		Iodometric Titration / HPLC
Residual Hydroquinone	≤0.30 %		HPLC
Moisture Content	≤0.20 %		Karl Fischer Titration
Ash Content	≤0.05 %		Gravimetric Incineration
Chloride Ion	≤0.01 %		Silver Nitrate Turbidimetry
Melting Point Range	112–115 ℃		Melting Point Apparatus
Appearance	Bright yellow uniform crystal without brown discoloration	Visual Inspection

Conclusion: This batch complies with export premium industrial standard of p-Benzoquinone.

Inspector Signature: ____________

Issuance Date: ____________

11. E-commerce Listing Text (For Alibaba / Echemi Direct Use)

Product Title

p-Benzoquinone 1,4-Benzoquinone CAS 106-51-4 99% Yellow Crystal Oxidizing Intermediate for Hydroquinone Production Monomer Polymerization Inhibitor Leather Tanning Agent Pharmaceutical Dye

Short Description

p-Benzoquinone (C6H4O2, CAS 106-51-4) ≥99% bright yellow toxic flammable quinone crystal with strong oxidizing capacity. Core raw material for hydroquinone manufacturing, universal polymerization inhibitor for acrylic/vinyl monomers, leather protein crosslinking tanning agent and heterocyclic pharmaceutical/dye intermediate. Full set of toxic dangerous goods export documents COA, MSDS and TDS available for global bulk shipment.

Full Description

p-Benzoquinone (para-benzoquinone, CAS 106-51-4) is a typical aromatic quinone fine chemical supplied as bright yellow sublimable crystal with purity ≥99.0%. Its reversible redox characteristic enables mass production of hydroquinone, while its free radical capturing property makes it an essential stabilizer for unsaturated monomers during storage and long sea transit.

Main downstream application sectors: hydroquinone raw material for photographic developer and rubber antioxidant; polymerization inhibitor for ethyl acrylate, styrene and unsaturated polyester resin; leather tanning auxiliary to improve hide strength and anti-mildew performance; heterocyclic API and vat dye synthetic intermediate; photographic gelatin hardener and environmental water sample analytical reagent. We provide two customizable grades: standard industrial bulk grade and ultra-high purity light-proof reagent grade for pharmaceutical synthesis.

Packed in light-proof lined iron drums or moisture-proof woven bags for full-container sea freight. Classified as UN2587 dual-hazard dangerous goods (toxic + flammable solid), we supply complete customs clearance certification documents to support stable long-term global sea and land delivery.

ECHEMI Editorial Reference

Quinone is an organic compound with the molecular formula C6H4O2. Its hexahydrate has a molecular weight of 108.10, a density of 1.3±0.1 g/cm³, a boiling point of 174.0±15.0 ℃ at 760 mmHg, a melting point of 113-115 ℃ (lit.), and a flash point of 59.3±17.4 ℃. It has a unique yellow crystal structure, exudes a strong aroma, has a high solubility in organic solvents, and is incompatible with oxidants, strong bases, reducing agents, and flammables.

Certificates

Basic Info

Product Name:

Quinone

Other Name:

2,5-Cyclohexadiene-1,4-dione;p-Benzoquinone;1,4-Benzoquinone;Chinone;1,4-Cyclohexadienedione;p-Quinone;Quinone;Stearer PBQ;PBQ 2;NSC 36324;PBQ;Inhibitor PBQ;RS 404

CAS No.:

106-51-4

Molecular Formula:

C6H4O2

InChIKeys:

InChIKey=AZQWKYJCGOJGHM-UHFFFAOYSA-N

Molecular Weight:

108.09

Exact Mass:

108.09

BRN:

773967

EC Number:

203-405-2

UNII:

3T006GV98U

ICSC Number:

0779

NSC Number:

36324

UN Number:

2587

DSSTox ID:

DTXSID6020145

Color/Form:

YELLOW MONOCLINIC PRISMS FROM WATER OR PETROLEUM ETHER|Greenish-yellowish solid|Pale-yellow solid.

HScode:

2914 69 80

Categories:

Quinones

Characteristics

PSA:

34.1

XLogP3:

0.2

Appearance:

Yellow to green Powder

Density:

1.318 g/cm³ @ Temp: 20 °C

Melting Point:

115.7 °C

Boiling Point:

180 °C

Flash Point:

38°C

Refractive Index:

n20/D 1.453

Water Solubility:

H2O: 10 g/L (25 ºC)

Storage Conditions:

2-8°C

Vapor Pressure:

0.1 mm Hg ( 25 °C)

Vapor Density:

3.73 (vs air)

Toxicity:

Oral-rat LD50: 130 mg/kg; Oral-Mouse LDL0: 100 mg/kg

Flammability characteristics:

Open flame is flammable; decomposes when heated; burning releases irritating smoke

Explosive limit:

Drums containing moist quinone self heated, generating smoke and internal pressure. ... The moist material showed an exotherm at 40-50 deg C and decomposed at 60-70 deg C, ... owing to pressure impurities. Drums exposed to direct sunlight soon attain a surface temperature of 50-60 deg C.

Odor:

PENETRATING ODOR RESEMBLING THAT OF CHLORINE

OH:

4.60e-12 cm3/molecule*sec

Experimental Properties:

SUBLIMES; DIPOLE MOMENT: 0.67|CONVERSION FACTORS: 1 MG/L IS EQUIVALENT TO 226.4 PPM & 1 PPM IS EQUIVALENT TO 0.00442 MG/L AT 25 °C, 760 MM HG|Ionization potential: 9.67 eV|Heat of fusion: 40.97 cal/g|For more Other Experimental Properties (Complete) data for 1,4-BENZOQUINONE (8 total), please visit the HSDB record page.

Air and Water Reactions:

Soluble in water and denser than water. If moist it may decompose spontaneously above 140°F. This has occurred in drums, causing over-pressurization.

Reactive Group:

Ketones

Reactivity Alerts:

Strong Oxidizing Agent

Reactivity Profile:

BENZOQUINONE acts as an oxidizing agent (NTP, 1992).

Autoignition Temperature:

1040 °F (USCG, 1999)|1040 °F (560 °C)|560 °C

Heat of Combustion:

656.6 Kcal/g mol @ 25 °C

Ionization Potential:

9.68 eV

Flammable Limits:

Combustible Solid

Physical Dangers:

Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

See More Quinone Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Acute toxicity - Category 3, Inhalation

Specific target organ toxicity â single exposure, Category 3

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H331 Toxic if inhaled H335 May cause respiratory irritation H400 Very toxic to aquatic life
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P319 Get medical help if you feel unwell. P391 Collect spillage.
Storage	P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. Prevent build-up of electrostatic charges (e.g., by grounding). Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Fireproof. Separated from combustible substances, reducing agents and food and feedstuffs. Cool. Dry.

See More Quinone Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

Location:
Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City

Payment Terms:
TT against B/L draft before shipment,100% TT in advance

Average lead Time:
30 days

Total Annual Revenue:
Less than $1 million

Total Employees:
5-10

Year of Establishment:
2022
Company Overview

Suqian Hengliyuan Import and Export Corporation, Ltd. is a leading enterprise specializing in the international trade of chemical products. Established in Suqian, Jiangsu Province, China, our company has built a strong reputation for excellence and reliability in the chemical industry.

Our Mission

Our mission is to facilitate global trade by providing high-quality chemical products and exceptional service to our clients. We aim to be a bridge between manufacturers and end-users, ensuring the safe and efficient transfer of chemicals across borders.

Products and Services

We offer a comprehensive range of chemical products, including but not limited to:

Industrial Chemicals: Raw materials for various industries such as pharmaceuticals, agriculture, and manufacturing.

Specialty Chemicals: High-performance chemicals used in specific applications, including water treatment, coatings, and adhesives.

Bulk Chemicals: Large-volume chemicals for industrial processes and manufacturing needs.

Quality Assurance

At Suqian Hengliyuan Import and Export Corporation, Ltd., quality is our top priority. We adhere to stringent quality control measures and international standards to ensure that our products meet the highest levels of purity and performance. Our dedicated quality assurance team conducts rigorous inspections and testing to guarantee the integrity and safety of all our chemical products.

Global Network

Leveraging our extensive network of suppliers and partners, we are able to source and deliver a wide array of chemical products to clients worldwide. Our strategic partnerships and logistical expertise enable us to offer competitive pricing, timely delivery, and customized solutions to meet the diverse needs of our clients.

Commitment to Sustainability

We are committed to sustainable business practices and environmental stewardship. Our operations are designed to minimize environmental impact, and we continuously seek ways to improve our processes and reduce our carbon footprint. We work closely with our suppliers and customers to promote the responsible use and disposal of chemicals.

Customer Focus

Our clients are at the heart of everything we do. We pride ourselves on providing personalized service and building long-term relationships based on trust and mutual benefit. Our experienced team of professionals is dedicated to understanding our clients' needs and delivering solutions that exceed their expectations.

Inquiry History

5 Inquiries

Country	Product	Purchase Quantity	Date Posted
Jordan	1, 4-benzoquinone	100 G	May 19, 2025
Malaysia	1,4-benzoquinone	25 KG	Apr 12, 2024
Australia	P-benzoquinone/ Para-benzoquinone/ 1,4-benzoquinone 99% Yellow solid PBQ Lifechemical	1 KG	Nov 19, 2023
United States	1,4-Benzoquinone	600 KG	Aug 27, 2025
India	P-Benzoquinone	1000.00 KG	Mar 1, 2024

Post an enquiry for this product

More Choices Find All Products for Sale 

Product Name	Grade / Content	Price	Supplier Name	Details
P-Benzoquinone	Industrial Grade/99	$1/KG EXW	Xiamen AmoyChem Co., Ltd	Inquiry
High Quality 99% Purity of 1,4-Benzoquinone CAS NO 106-51-4 ISO 9001:2005 REACH Verified Producer	Industrial Grade/99		Shaanxi Dideu Medichem Co. Ltd	Inquiry
1,4-Benzoquinone106-51-4	/		Shandong zhishang chemical Co.,Ltd	Inquiry
P-benzoquinone/ Para-benzoquinone/ 1,4-benzoquinone 99% Yellow solid PBQ Lifechemical	Industrial Grade/99	$19-21/KG EXW	Shandong Life Chemical Co.,Ltd	Inquiry
99%1,4-benzoquinone	Industrial Grade/99		QINGDAO EAST CHEMSOURCES TRADE CO.,LTD	Inquiry