China wholesale Betadine Antiseptic Cream - 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
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Items |
Specification |
|
Content |
99-101% |
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Melting Point |
171-175℃ |
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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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Cooperation
Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for China wholesale Betadine Antiseptic Cream - 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: Borussia Dortmund, Sudan, Barbados, We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. Now we have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our solutions have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We're making great efforts to achieve this win-win situation and sincerely welcome you to join us.
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.
By Elsie from Sierra Leone - 2018.12.28 15:18
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
By Katherine from Portland - 2017.05.02 18:28
