Product Name :
         HQ,Hydroquinone

Specifications:

Hydroquinone/HQ 98.5%

1. CAS NO.: 123-31-9
2. Molecular formula: C9H6O4

Purity: 98.5%, 99%

Gade: Photo-taking grade, Technical grade
3. Packing: 25kg/bag, 20MT/20FCL
4. Specification:
(1).Photo-taking grade(GB10552-89) 

Item	Specification
Appearance	White needle crystal
Hydroquinone(HOC6H4OH) content	99.0~101.0
Melting point	171° C~175° C
Solubility	Qualified
Residue on ignition	0.05 max
Heavy Metal(based on Pb)	0.002 max
Iron(Fe)	0.002 max

(2).Technical grade

Item	Specification
Appearance	Grey or yellowish powdery crystal
Hydroquinone(HOC6H4OH) content	99% min
Melting point	169.5¡ æ min
Residue on ignition	0.3 max

5. Usage: Generally for photograph, dye, pesticide, rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so on.

<p>Shijiazhuang Dituo Copper Co., Ltd is one of the largest Copper Sulphate & Oxide manufacturer in north of China, also enjoyed the highest reputation whatever domestic or overseas with so many years. Our factory is located in Shijiazhuang city, China with strongest production availability, rich human resource, and the advanced equipment to satisfy the demand from domestic and forgein coutry. We sincerely welcomes customers and friends at domestic and abroad to come to carry out wide economical and technical exchanges and business talks.</p>