Best-Selling Veterinary Disinfectant - Photographic grade Hydroquinone manufacturers in china Cas 123-31-9 Industry grade 99.9% – Guanlang

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Best-Selling Veterinary Disinfectant - Photographic grade Hydroquinone manufacturers in china Cas 123-31-9 Industry grade 99.9% – Guanlang Detail:

Hydroquinone

We are one of the leading hydroquinone manufacturers in china Cas 123-31-9

Product: hydroquinone

CAS No.: 123-31-9

EINECS： 204-617-8

Molecular formula:C6H6O2

Molecular weight: 110.11244

Items	Specification
Content	99-101%
Melting Point	171-175℃
Residue on ignition	NMT 0.05%
Fe	NMT 0.002%

Physical and chemical properties:

Appearance: white needle crystal.

Melting point: 172~175 ℃

Boiling point: 285-287 ℃

Relative density: 1.328g/cm3

Flash point: 165 ℃

Solubility: Hydroquinone is easily soluble in hot water, ethanol and ether, slightly soluble in benzene.

Properties: Hydroquinone is easy to change color when exposed in the air. Its aqueous solution can be oxidized to brown in air, and the oxidation is faster in alkaline medium. Easily soluble in ethanol and ether, soluble in 14 parts of water, slightly soluble in benzene. Relative density (d15) 1.332. The melting point is 170~171 ℃. The boiling point is 285-287 ℃. Flash point 165 ℃. Medium toxicity, median lethal dose (rat, oral) 320 mG/kG. Possibility of causing cancer.

Uses: Used as developer, dye and drug raw material; Hydroquinone is mainly used as a photographic developer. Hydroquinone and its alkylates are widely used as polymerization inhibitors added in the process of monomer storage and transportation

Storage: stored in a cool and ventilated warehouse. Keep away from kindling and heat source. The package shall be sealed and shall not contact with air. It shall be stored separately from oxidants, acids, alkalis and edible chemicals, and shall not be mixed. Fire fighting equipment of corresponding types and quantities shall be provided. The storage area shall be equipped with appropriate materials to contain the leakage.

Packaging: Paper bag with plastic lining, net weight of 25kg per package.

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"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for Best-Selling Veterinary Disinfectant - Photographic grade Hydroquinone manufacturers in china Cas 123-31-9 Industry grade 99.9% – Guanlang, The product will supply to all over the world, such as: Mecca, Belarus, Poland, With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group, which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.We have our own factory and lab,also offer customized synthesis service for our customers.

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