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1310-73-2 Sodium hydroxide high quality hly57

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$1/MT FOB

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CAS No.:

1310-73-2

Grade:

industrial Grade

Content:

99%

Port:

qingdao

Brand:

HLY

Packaging:

50kg HDPE bag

Price valid (until):

2027-02-28

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Suqian City Hengliyuan Import and Export Trade Co., LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

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

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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.

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----------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.

Items	Specifications

Sodium Hydroxide (Caustic Soda)

CAS No.: 1310-73-2

1. Basic Identification

Chemical Name: Sodium hydroxide

Synonyms: Caustic soda, lye, sodium hydrate

EINECS No.: 215-185-5

MDL No.: MFCD00003528

Molecular Formula: $\boldsymbol{NaOH}$

Molecular Weight: 40.00

SMILES: [Na+].[OH-]

UN Number: UN 1823 (solid) / UN 1824 (aqueous solution)

HS Code: 28151100

Hazard Classification: Class 8 Corrosive Substance, Packing Group II

Chemical Category: Strong inorganic alkali, universal basic chemical raw material

2. Physical & Chemical Properties

Appearance

Three mainstream commercial forms:

Solid flake: White flaky crystal, highly hygroscopic, easy deliquesce in air;
Solid pearl: Small white spherical pellets, low dust, convenient feeding;
Liquid caustic soda: Colorless transparent viscous aqueous solution (30%, 32%, 50% concentration mainstream).

Physical Constants

Parameter	Solid NaOH Standard Value	Remarks
Melting Point	318 ℃	High melting point, stable solid at room temperature
Boiling Point	1388 ℃	Decomposes slightly at ultra-high temperature
Density (solid 20℃)	2.13 g/cm³
Solubility in Water	Highly soluble, releases massive heat when dissolved
pH (1% aqueous solution)	13–14	Strongly alkaline
Hygroscopicity	Extremely strong, absorbs CO₂ and water in air to form sodium carbonate

Core Chemical Characteristics

Strong neutralization reaction

Completely neutralizes all inorganic/organic acids to generate sodium salts and water, widely used for pH adjustment and acid waste treatment.
Saponification reaction

Hydrolyzes grease and triglycerides, core raw material for soap and detergent manufacturing.
Amphoteric metal dissolution

Dissolves aluminum, zinc and their oxides/hydroxides to generate soluble aluminate/zincate; corrodes glass, silica, ceramic.
Carbonation absorption

Reacts with carbon dioxide in air to produce sodium carbonate, so sealed storage is mandatory.
Incompatible hazardous materials: All acids, ammonium salts, aluminum metal, chlorine, organic halides, nitro compounds, edible raw materials.

3. Export Industrial Quality Specifications

Solid Flake Caustic Soda (99% grade, mainstream export)

Test Item	Standard Spec	Test Method
NaOH Content	≥99.0 wt%	Acid-base titration
Sodium Carbonate (Na₂CO₃)	≤0.50 %	Titration
Sodium Chloride (NaCl)	≤0.03 %	Silver nitrate titration
Iron (Fe)	≤0.0008 %	Spectrophotometry
Insoluble Matter	≤0.02 %	Gravimetric filtration
Appearance	Uniform white flakes, no yellow discoloration, low agglomeration	Visual Inspection

50% Liquid Caustic Soda Industrial Grade

NaOH ≥50.0%, NaCl ≤0.04%, Na₂CO₃ ≤0.30%, colorless transparent liquid.

4. Main Industrial Applications

4.1 Chemical Industry (Largest Consumption)

Raw material for sodium silicate, sodium hypochlorite, soda ash, sodium formate and other sodium salt fine chemicals.
Neutralizer, pH regulator for chemical synthesis, catalyst for organic condensation reactions.
Wastewater treatment alkali agent, neutralize acidic industrial wastewater, precipitate heavy metal ions.

4.2 Pulp & Paper Industry

Kraft cooking agent for wood pulp; decomposes lignin to separate cellulose fiber for paper making.
Bleaching auxiliary for paper pulp, removes residual lignin to improve whiteness.

4.3 Textile Printing & Dyeing

Mercerizing agent for cotton fabric, improves fabric luster, strength and dye uptake rate.
Scouring agent to remove grease, wax and impurities on raw textile materials.

4.4 Soap & Detergent Industry

Saponification raw material for laundry soap, liquid detergent, surfactant production; hydrolyzes animal/vegetable oil to generate soap base.

4.5 Alumina & Metallurgy Industry

Dissolves bauxite ore in Bayer process to extract alumina; leaching agent for non-ferrous metal mineral separation.

4.6 Other Fields

Food grade caustic soda for food processing pH adjustment; water deionization resin regeneration agent; leather dehairing auxiliary.

5. Toxicology, Health Hazards & First Aid

Toxicity Profile

No acute oral lethal toxicity at low dose; main hazard is severe strong alkali corrosion.
Dermal hazard: Solid or high-concentration liquid rapidly dehydrates and denatures skin protein, causes deep chemical burns, blisters and necrosis.
Inhalation hazard: Dust/mist irritates nasal cavity, throat and lung mucosa; long-term inhalation leads to chronic respiratory lesions.
Eye hazard: Extremely dangerous; contact causes corneal melting, permanent blindness without immediate full flushing.
Environmental hazard: Sharply raises water pH, kills aquatic organisms, destroys soil acid-base balance.

Exposure Symptoms

Inhalation of dust/mist: Severe throat burning, violent cough, chest tightness, nasal mucosa ulceration.
Skin contact: Instant stinging, white scab formation, blisters and deep necrotic wounds after prolonged contact.
Eye splash: Intense burning, corneal edema, dissolution of eye tissue, permanent vision loss risk.
Oral ingestion: Severe corrosion of oral cavity, esophagus and stomach, abdominal pain, perforation risk.

Complete First-Aid Procedures

Inhalation: Transfer victim to fresh air immediately, rinse nose and throat with plenty of clean water, seek medical treatment for persistent cough.
Skin Contact: Strip all contaminated clothing at once; continuously flush affected skin with large-volume running cold water for minimum 30 minutes, do not use neutralizing acid casually.
Eye Contact: Force open upper and lower eyelids, irrigate eyes with abundant flowing cold water uninterrupted for 30 minutes or longer, emergency ophthalmic treatment is mandatory.
Oral Intake: DO NOT induce vomiting, DO NOT use acid neutralizer; drink large amounts of pure water or milk to dilute alkali and rush to hospital.

6. Storage, Handling & Incompatibility Rules

Mandatory Storage Conditions

Warehouse classification: Class 8 corrosive solid/liquid chemical warehouse, completely separated from acids, ammonium salts, food and feed raw materials.
Temperature control: Normal temperature 10–35 ℃, dry and ventilated; solid grade must avoid damp air to prevent deliquescence and caking.
Sealing requirement:
- Solid flake/pearl: 25kg plastic inner bag + woven outer bag fully sealed;
- Liquid caustic soda: PE plastic IBC tank / plastic lined iron drum, avoid glass packaging.
Shelf life: Solid grade 12 months; liquid grade 6 months under intact sealing.

Strictly Separated Incompatible Materials

Hydrochloric acid, sulfuric acid, acetic acid, ammonium chloride, aluminum powder, chlorine gas, organic halides, food additives.

Safe Operation Specifications

Operators wear alkali-resistant rubber overalls, heavy-duty nitrile gloves, full-face impact safety goggles, dust-proof respirator (solid handling).
When dissolving solid caustic soda, slowly add solid into water, never pour water into solid to prevent boiling splashing.
Small leakage of solid: Collect crystal with dry sand, seal into plastic waste barrels; liquid leakage build sand dikes to contain alkaline solution.
Waste lye must be neutralized with dilute acid to pH 6–9 before discharge, prohibit direct drainage.

7. Export Packaging & Global Transportation Regulations

Standard Export Packaging Modes

Solid flake/pearl caustic soda: 25kg double-layer plastic lined woven bag;
50% liquid caustic soda: 1000L PE IBC tote tank / 200L plastic lined steel drum.

UN Transport Compliance Rules

Solid NaOH: UN 1823 Class 8 corrosive substance PG II;
Aqueous caustic soda solution: UN 1824 Class 8 corrosive substance PG II.

Road transport: Special corrosive chemical vehicles, equipped with leakage collection trays.
Ocean shipment: IMDG Class 8 corrosive goods, paste corrosion hazard label, stacking height ≤2 layers, segregated from acid and food cargo holds.
Loading ban: Mixed loading with acidic chemicals, ammonium salts, edible goods is strictly prohibited.

Full Export Document Package

Batch COA Certificate of Analysis
GHS MSDS / SDS
TDS Technical Data Sheet
Customs commodity inspection report

8. GHS Global Hazard Label Statements

Signal Word: Danger

Hazard Statements:

H314 Causes severe skin burns and eye damage

Precautionary Statements:

P280 Wear alkali-resistant protective gloves, protective clothing and eye/face protection

P305+P351+P338 IF IN EYES: Rinse continuously with plenty of water for at least 30 minutes and seek immediate medical help

P403+P235 Store in dry, cool and ventilated warehouse, tightly sealed to avoid moisture absorption

P501 Neutralize waste alkali before disposal in accordance with local environmental regulations

9. Fire Emergency Disposal Plan

Approved Fire Extinguishing Agents

Dry chemical powder, carbon dioxide (CO₂), plenty of water mist

Forbidden Agents: Foam extinguishing agent (alkali reacts with foam to release heat and splashing)

Fire Site Operation Steps

Evacuate personnel to upwind safe zone, isolate fire area.
Cool surrounding packaging bags/tanks with water mist to prevent rupture caused by high temperature.
Collect all alkaline fire wastewater, neutralize before discharge to avoid water body alkalization pollution.

10. Printable Export COA Template (Solid 99% Caustic Soda Flake)

CERTIFICATE OF ANALYSIS

Product Name: Sodium Hydroxide Flake (Caustic Soda)

CAS No.: 1310-73-2

Grade: Export Industrial 99% Grade

Batch No.: ____________

Net Weight: 25kg/bag

Manufacture Date: ____________

Test Item	Standard Spec	Test Result	Test Method
NaOH Mass Fraction	≥99.0 %		Acid-Base Titration
Na₂CO₃	≤0.50 %		Double Indicator Titration
NaCl	≤0.03 %		Silver Nitrate Titration
Fe Content	≤0.0008 %		UV Spectrophotometry
Water Insoluble Substance	≤0.02 %		Gravimetric Filtration
Appearance	White uniform flakes without yellowing and agglomeration	Visual Inspection

Conclusion: This batch complies with export industrial standard of Sodium Hydroxide (Caustic Soda).

Inspector Signature: ____________

Issuance Date: ____________

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

Product Title

Sodium Hydroxide Caustic Soda Flake Pearl Liquid CAS 1310-73-2 99% Industrial Grade Strong Alkali for Paper Textile Soap Alumina Water Treatment

Short Description

Sodium hydroxide (NaOH, CAS 1310-73-2) industrial grade 99% caustic soda available in flake, pearl and 50% liquid forms. Widely used for pulp cooking, textile mercerizing, soap making, alumina smelting and industrial wastewater neutralization. Complete UN1823/UN1824 Class 8 corrosive dangerous goods export documents COA, MSDS and TDS for bulk sea shipment.

Full Description

Sodium hydroxide (caustic soda) is a core basic inorganic chemical raw material with strong alkalinity and powerful deliquescence, supplied as white flake/pearl solid or colorless 30%/50% aqueous liquid. It participates in saponification, neutralization, metal oxide dissolution and lignin degradation reactions, covering almost all heavy chemical, light industry and environmental protection fields.

Core downstream application sectors: kraft pulp cooking agent for paper mill; mercerizing and scouring auxiliary for cotton textile; saponification raw material for laundry soap and industrial surfactants; Bayer process alumina extraction solvent; acidic wastewater neutralizer and heavy metal precipitant; raw material for sodium hypochlorite, sodium silicate and other fine sodium salts. We supply industrial solid flake, pearl caustic soda and high-concentration liquid caustic soda with stable impurity indexes.

Packed in 25kg double plastic lined woven bags or 1000L IBC plastic tanks for full-container sea freight. Classified UN1823/UN1824 Class 8 corrosive hazardous substance, we provide complete IMDG corrosive goods transport, commodity inspection and REACH compliance certificates for long-term bulk supply to paper mills, textile factories, detergent plants and water treatment engineering companies.

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ECHEMI Editorial Reference

Colorless to white, odorless solid (flakes, beads, granular form).

Certificates

Basic Info

Product Name:

Sodium hydroxide

Other Name:

Sodium hydroxide (Na(OH));NaOH;Sodium hydroxide;Caustic soda;White caustic;Ascarite;Collo-Grillrein;Collo-Tapetta;Aetznatron;Soda,caustic;GR;GR (alkali reagent);NSC 135799;E 33;E 33 (degreasing agent);MO 67;FC 4370;StamperPrep;Tosoh Pearl;DL α;Promoter 3308B;ma-D 331;BO-200B;Caustic Solution 70TW;Reasol;S/4920/AP1;8012-01-9;1418731-95-9;2319645-49-1;2391974-94-8

CAS No.:

1310-73-2

UN No.:

1824

Molecular Formula:

HNaO

InChIKeys:

InChIKey=HEMHJVSKTPXQMS-UHFFFAOYSA-M

Molecular Weight:

39.99710

Exact Mass:

39.99250

EC Number:

923-604-4

HScode:

2815110000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

23.06000

XLogP3:

-0.17680

Appearance:

Non white solid

Density:

2.13 g/cm³ @ Temp: 25 °C

Melting Point:

323 °C

Boiling Point:

1388 °C

Flash Point:

N/A

Refractive Index:

1.473-1.475

Water Solubility:

H2O: 418 g/L (0 °C), 1110 g/L (20 °C), 3370 g/L (100 °C);soluble in methanol and glycerol, negligible in ammonia, insoluble in ether

Storage Conditions:

Storage Room low temperature ventilation drying ,Separate storage of flammable, combustible, and acids

Vapor Pressure:

24.5mmHg at 25°C

Vapor Density:

<1 (vs air)

Flammability characteristics:

Noncombustible Solid, but when in contact with water may generate sufficient heat to ignite combustible materials.

Odor:

... Odorless ...

Taste:

Detection - the minimum physical intensity detection by a subject where he or she is not required to identify the stimulus but just detect the existence of the stimulus - in water: 8.00X10-3 mol/L.

PH:

Strongly alkaline (1 % solution)

See More Sodium hydroxide Properties 

Hazard Identification

Classification of the substance or mixture

Skin corrosion, Sub-category 1A

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H314 Causes severe skin burns and eye damage
Prevention	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	P405 Store locked up.
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 contact with water. NO contact with incompatible materials: See Chemical Dangers 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

Separated from food and feedstuffs, strong acids and metals. Store only in original container. Dry. Well closed. Store in an area without drain or sewer access.

See More Sodium hydroxide 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

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

623 Inquiries

Country	Product	Purchase Quantity	Date Posted
Russia	Sodium Hydroxide Caustic Soda CAS 1310-73-2 Naoh	5000 KG	Jan 21, 2025
India	Caustic soda	3500 KG	May 17, 2024
India	Sodium Hydroxide	20 TON	Dec 26, 2023
South Africa	Sodium Hydroxide	1.00 MT	Sep 4, 2024
Bangladesh	Sodium Hydroxide	1 20' Fcl	Dec 31, 2024
India	Sodium Hydroxide	1.00 20' Fcl	Feb 22, 2024
India	Sodium Hydroxide	1.00 20' Fcl	Feb 19, 2024
India	Sodium Hydroxide	500.00 KG	Feb 22, 2024
India	Sodium Hydroxide	10.00 MT	Feb 19, 2024
India	Sodium Hydroxide	15.00 MT	Feb 29, 2024
United Arab Emirates	SODIUM HYDROXIDE	120 KG	Sep 30, 2023
Thailand	Sodium Hydroxide	50.00 KG	May 31, 2025
India	Sodium Hydroxide	1.00 20' Fcl	Dec 29, 2023
India	Sodium Hydroxide	10.00 MT	Feb 21, 2024
India	Sodium Hydroxide	1.00 20' Fcl	Feb 1, 2024
India	Sodium Hydroxide	1.00 20' Fcl	Jan 31, 2024
India	Sodium Hydroxide	25.00 MT	Feb 20, 2024
India	Sodium Hydroxide	10.00 MT	Feb 19, 2024
Singapore	Sodium Hydroxide	1.00 MT	Sep 14, 2024
India	Sodium Hydroxide	1.00 20' Fcl	Feb 8, 2024

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