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Hydroquinone raw powder cas 123-31-9 Hydroquinone

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CAS No.:

123-31-9

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shenzhen

Brand:

Packaging:

25kg drum

Price valid (until):

2026-04-27

Contact Supplier

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HNB Biotech

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

 Visit Store

Product Description
Seller Information
Inquiry History

Description

Product Detail

whasapp：+8615202961574
Email:gary@xahnb.com

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Items	Standard		Test Results

Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard.		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Loss on drying %	≤2.0		0.19
Heavy metals ppm	≤10		<10
Moisture %	≤1.0		0.1
Sulphated ash %	≤0.5 determined on 1.0 g.		0.009
Residue on ignition %	≤0.1		0.03
Related Substances %	Unspecified impurities: for each impurity	≤0.10	<0.10
Related Substances %	Total Impurity	≤0.5	0.18
Purity %	≥99.0		99.7
Assay %	99.0 ~101.0 (anhydrous substance).		99.8
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

Xran Harmonious Natural Bio- Technology Co., Ltd was founded in 2017, and located in Xlan International Logistics Industrial Zone, Xran City. ShaanxtProvince, China. Now it is the leading researcher and one of the biggest manufacturer in high technology APl area.

There are 8 experts in our research team. We insistin innovation and produce high quality products. And GMP standard workshop and complete stainlessextraction equipment.

We have 2 sales deparments over 20 people and sellour products allover the word. We also have strong professional research and developmentteamtalented personnel and completely equipped laboratoy for the quality controlling. Various Detection Device is equipped in HNB company, such as HPLCGC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on
HNB mainly engaged in export of products incuding,wthoutlimitation., pharmaceutical raw materials both for vet and human, also Vitamins, Amino Acidsminerals, peptides, plant extract, feed and food additives. Our company's business is based on Honest, Trustwortly, Constanty to Go Beyond andAchieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
Passion to innovate, Power to deliver !

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Q1 Can i get some samples
A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2 How to start orders or make payments
A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,or Paypal or Escrow(Alibaba).
Q3 How to confirm the Product Quality before placing orders
A3 You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4 What's your MOQ
A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5 How about delivery leadtime
A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6 Is there a discount
A6 Different quantity has different discount.
Q7 How do you treat quality complaint
A7 First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8 How to contact us
A8 You can chat with us by Trademanager,MSN&Skype Online.
You can choose your interested products and send inquiry to us.
You can dial our telephone directly or send Email to us., you will get our reply.

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Certificates

Basic Info

Product Name:

Hydroquinone

Other Name:

1,4-Benzenediol;Hydroquinone;Arctuvin;p-Benzenediol;Benzohydroquinone;Benzoquinol;p-Dihydroxybenzene;Eldoquin;Hydroquinol;Quinol;Tecquinol;Tenox HQ;p-Dioxybenzene;p-Hydroquinone;1,4-Dihydroxybenzene;p-Hydroxyphenol;HE 5;Diak 5;Eldopaque;Phiaquin;4-Hydroxyphenol;Dihydroquinone;p-Quinol;BQ(H);p-Dihydroquinone;1,4-Benzoquinol;p-Phenylenediol;Eldoquin Forte;Solaquin Forte;Black & White Bleaching Cream;Eldopacque;Aida;Eldopaque Forte;NSC 9247;Solution Q;1,4-p-Benzenediol;1,4-Phenylenediol;1,4-Benzenediol (hydroquinone);8027-02-9;57534-13-1

CAS No.:

123-31-9

UN No.:

2662

Molecular Formula:

C6H6O2

InChIKeys:

InChIKey=QIGBRXMKCJKVMJ-UHFFFAOYSA-N

Molecular Weight:

110.11100

Exact Mass:

110.11

EC Number:

204-617-8

HScode:

2907221000

Categories:

Antidementia Agents

Characteristics

PSA:

40.46000

XLogP3:

1.09780

Appearance:

Hydroquinone appears as light colored crystals or solutions. May irritate the skin, eyes and mucous membranes. Mildly toxic by ingestion or skin absorption.

Density:

1.332 g/cm³

Melting Point:

170-171 °C

Boiling Point:

285-287 °C

Flash Point:

165ºC

Refractive Index:

1.689

Water Solubility:

H2O: 70 g/L (20 ºC)

Storage Conditions:

Conditions for safe storage, including any incompatibilities: Keep container tightly closed in a dry and well-ventilated place. Air and light sensitive.

Vapor Pressure:

1 mm Hg ( 132 °C)

Vapor Density:

3.81 (vs air)

Toxicity:

LD50 orally in rats: 320 mg/kg (Woodard)

Flammability characteristics:

Combustible Solid; dust cloud may explode if ignited in an enclosed area.

Explosive limit:

Dust cloud may explode if ignited in an enclosed area.

Odor:

Odorless

Taste:

A slightly bitter taste in aqueous solutions

See More Hydroquinone Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Serious eye damage, Category 1

Skin sensitization, Category 1

Germ cell mutagenicity, Category 2

Carcinogenicity, Category 2

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)	H302 Harmful if swallowed H318 Causes serious eye damage H317 May cause an allergic skin reaction H341 Suspected of causing genetic defects H351 Suspected of causing cancer 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. P272 Contaminated work clothing should not be allowed out of the workplace. P203 Obtain, read and follow all safety instructions before use. P273 Avoid release to the environment.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P318 IF exposed or concerned, get medical advice. P391 Collect spillage.
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 open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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 strong bases and food and feedstuffs.Keep well closed and protected from light.

See More Hydroquinone Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

Location:
6 floor Baoyilongji Building B Weiyang Area, Fengcheng 8 Road, Xi'an city, Shaanxi, 710000, China

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

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2017

Certifications:
ISO,ISO

Xi'an Harmonious Natural Bio-Technology Co., Ltd. was founded in 2010, and located in Xian

International Logistics Industrial Zone, Xi'an City, Shaanxi Province, China. Now it is the

leading researcher and one of the biggest manufacturer in high technology API area.

There are 8 experts in our research team. We insist in innovation and produce high quality

products. And GMP standard workshop and complete stainless extraction equipment.

We have 2 sales departments over 20 people and sell our products all over the world.

We also have strong professional research and development team, talented personnel and

completely equipped laboratory for the quality controlling. Various Detection Device is

equipped in HNB company, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto

titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

HNB mainly engaged in export of products including, without limitation, pharmaceutical raw

materials both for vet and human, also Vitamins, Amino Acids, minerals, peptides, plant

extract, feed and food additives.

Our company's business is based on Honest, Trustworthy, Constantly to Go Beyond and

Achieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends

from both home and abroad.

Passion to innovate, Power to deliver !

Inquiry History

25 Inquiries

Country	Product	Purchase Quantity	Date Posted
Israel	High quality hydroquinone 99.9% cas 123-31-9	100 G	Sep 28, 2023
Cameroon	High quality hydroquinone 99.9% cas 123-31-9	1 KG	Jul 6, 2023
Russia	Hydroquinone	1 20' Fcl	May 29, 2026
South Africa	Hydroquinone	40 MT	Mar 24, 2026
United Kingdom	Hydroquinone	60000 KG	Dec 11, 2025
South Korea	hydroquinone	1 KG	Aug 26, 2025
India	hydroaquinone	5.00 KG	Nov 14, 2024
France	Hydroquinone	500 G	Jun 7, 2024
Malaysia	Hydroquinone	500 MT	Apr 26, 2024
Malaysia	Hydroquinone	25 KG	Apr 12, 2024
Brazil	Hidroquinona 60%	1 KG	Mar 28, 2024
Lebanon	Hydroquinone	1 MT	Jul 14, 2023
United Arab Emirates	hydroquinone	50 MT	Jan 2, 2024
Hongkong, China	Hydroquinone	1 20' Fcl	Dec 3, 2024
United States	Hydroquinone 99.6%	5 MT	Sep 17, 2024
Russia	Hydroquinone for synthesis	265 TON	Jun 25, 2024
Russia	Hydroquinone (CAS# 123-31-9)	120 MT	May 17, 2024
India	Hydroquinone	500 KG	Feb 13, 2024
India	factory best price Hydroquinone 99.9% top grade likes	16 MT	Dec 30, 2023
United Kingdom	HYDROQUINONE 99% White needle crystal or free-flow crystalline powder Photo grade	10 KG	Sep 28, 2023

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