Hydroquinone
Hosea Chem® supply Hydroquinone (CAS 123-31-9) with high quality and best price for many years, covering most of Europe,Americas,Middle East market. We are expecting becoming your long term partner in China. Send Inquiry
Product Description
Hydroquinone (Cas No.: 123-31-9)
1. Product Introduction of Hydroquinone
Other Names: 1,4-Dihydroxybenzene; 1,4-benzenediol; 1,4-dihydroxyanthron;
Molecular Formula: C6H6O2
Molecular Weight: 110.11
Structural Formula:
CAS No.: 123-31-9
UN No.: 3077/ 9 PGⅢ
EINECS: 204-617-8
Physicochemical Properties
Appearance: White or off-white needle crystal powder or white flakes
Needle crystal powder White flakes
Flash point: 165 ℃,
Boiling point: 285-287 ℃,
Melting point: 171-175 ℃,
Specific Gravity: 1.320
pH: 3.75 70 g/l aq.sol
Solubility: Soluble
Solution appearance: Transparent without insoluble substance
2. Product Specification) of Hydroquinone
Hydroquinone 99.00~101.00
Pyrocatechol ≤ 0.05
Melting point, ℃ 171.00~175.00
Residue on ignition, % ≤ 0.05
Fe, % ≤ 0.002
Pb, % ≤ 0.001
Solubility test Pass
3. Product Application of Hydroquinone
3.1. Hydroquinone is mainly used as a developer in photography. Hydroquinone and its alkylates are widely used as polymerization inhibitors added during the storage and transportation of monomers. The commonly used concentration is about 200ppm.
3.2. Used as antioxidant in rubber and gasoline.
3.3. In the treatment field, hydroquinone is added to the hot water and cooling water of the closed-circuit heating and cooling system to inhibit corrosion of metals on the water side. Hydroquinone is used as an oxygen scavenger for boiler water. Hydroquinone is added to the boiler water when it is preheated and deoxygenated to remove residual dissolved oxygen.
3.4. It is used to manufacture anthraquinone dyes, azo dyes and pharmaceutical raw materials.
3.5. Used as corrosion inhibitor, stabilizer and antioxidant in detergents, and also used as hair dye in cosmetics.
3.6. Photometric determination of phosphorus, magnesium, niobium, copper, silicon and arsenic, etc. Polarographic and volumetric determination of iridium. Reducing agent for heteropoly acids, reducing agent for copper and gold.
4. Product Details of Hydroquinone
Hydroquinone is an organic compound with white needle crystals, which changes color when exposed to light. It is easily soluble in hot water, soluble in cold water, ethanol and ether, and difficult to dissolve in benzene.
5. Product Qualification of Hydroquinone
With the best prices, good quality, and good service, Hosea Chem® Hydroquinone are highly recognized and praised by our customers. Meantime, we provide technical support of each product and marketing competition survey to help customers further enlarge their business easily.
Sampling is conducted every 2 hours and testing for ensuring the quality .
3rd party inspection can be arranged when loading the container.
6. Deliver,Shipping And Serving of Hydroquinone
Packaging:
25 Kgs / Bag, 16 Mts with pallets, 18Mts without pallets / 1x20' FCL
Storage:
Stored in cool and airy place; away from fire and heat; handle with care;no breakage, avoid leakage.
It is valid for 2 years under proper condition.
Delivery Detail: 3 weeks after confirm order.
Shipping: by sea.
Serving:
Ⅰ. over 10 years of export trading experience.
Ⅱ. 7x24 hours customs service, help you to solve your questions anytime you want.
Ⅲ. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.
Ⅳ. Provide a price trend, ensure the clients can know about marketing informations in time.
Ⅴ. Fast response, fast service .Emails will be replied in 12 hours. Ensure your questions will be answered in time.
7. FAQ
Q1. What's the payment terms?
T/T or L/C.
Q2. What's the shelf life for the cargos?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.
Q3. What's the delivery time?
We usually deliver the cargos within 10~25 days after receiving customer's prepayment and original LC.
Q4. What documents can we supply?
Commercial Invoice, Packing List, Certificate of analysis, Certificate of Origin, Health Certificate issued by CIQ with embassy legalized, Bill of Loading etc.
The documents will be sent by Express within 24 hours against your full payment.