| Appearance: | white crystalline powder |
|---|---|
| Brand Name: | NONE |
| Purity: | 99.5% MIN |
| Type: | Dyestuff Intermediates,Pharmaceutical Intermediates,Syntheses Material Intermediates |
| CAS No.: | 123-31-9 |
| Application: | intermediates of polymer, monomer inhibitor, dyes and auxiliary |
| Appearance: | White needle crystal |
| Purity: | 99.0~101.0 |
| Melting point: | 171DC~175DC |
Quick Details
Specifications
Technical Data Sheet
Product: hydroquinone Photo grade (Widely used in food and cosmetics)
Usage: Can be used as intermediates of polymer, monomer inhibitor, dyes and auxiliary; as antioxidant in food and medicine industry; as anti coagulant for gas; developer for film, photos and X-ray film.
Specification:
Index items |
Index (%) |
Appearance |
White needle crystal |
Hydroquinone(HOC6H4OH) content |
99.0~101.0 |
Melting point |
171°C~175°C |
Solubility |
Qualified |
Residue on ignition ≤ |
0.05 |
Heavy Metal(based on Pb) ≤ |
0.002 |
Iron(Fe) ≤ |
0.002 |
SUPPLIERS |
ZENVA SINO |
SOMEOTHER HQ PRODUCER |
PRODUCTION PROCESS |
ANILINE |
PHENYL HYDROXIDE |
QUALITY |
Not containingPyrocatechinand the purity is higher than that of product made from phenyl hydroxide;Not containingDioxin |
ContainingPyrocatechin because of the incapable complete separation of pyrocatechin and hydroquinone; containing ofDioxin |
USAGE |
Can be used in cosmetic and food additives, also used in industrial area, such asRubber antioxidant |
MAinly used in industrial area, such asRubber antioxidant;Can not be used in cosmetic and food |