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Pure Hydroquinone Powder Hydroquinone
Best Price Pure Hydroquinone Powder Hydroquinone
Product Name: Hydroquinone
CAS No.: 123-31-9
EINECS: 204-617-8
Molecular Weight: 178.1415
Molecular Formula: C6H6O2
Density: 1.563g/cm3
Melting Point(°C): 170-174ºC
Boiling Point(°C): 285-287ºC
Water Solubility: 70 g/L (20°C)
Hydroquinone is organic compounds. Hydroquinone are two counterpoint of benzene compounds of hydrogen replaced by hydroxyl form. White crystalline. One 1 gram of hydroquinone toxic, and adult, can appear symptoms such as headache, dizziness, tinnitus, pale face. Hydroquinone in flame, high combustible.
Hydroquinone contact can react with strong oxidizer. Hydroquinone by high thermal decomposition let out poisonous gases. Hydroquinone is mainly used for making black and white contrast, anthraquinone dyes, azo dyes, rubber protective agent, stabilizer and antioxidant.
Items | Specification |
Appearance | White Crystalline Powder |
Purity | ≥99% |
Total Impurities | <1.00% |
Melting Range | 171-175℃ |
Heavy Metals (As Pb ) | ≤0.002% |
Iron (As Fe) | ≤0.002% |
Solubility | Soluble in water and alchohol |
Identification Paper | As per USP36 |
Water by KF | ≤0.5% |
Residual Solvents | ≤0.1% |
Particle Size | 75μm |
1. Hydroquinone is mainly used as a photographic developer. Polymerization inhibitor hydroquinone and alkyl compounds are widely used to add monomer storage and transportation process, commonly used concentration of about 200ppm.
2. The hydroquinone can also be used as antioxidant for rubber and gasoline .
3. Processing field. Hydroquinone used as oxygen scavenger of boiler water.
4. The manufacturing anthraquinone dyes, azo dyes, pharmaceutical raw materials.
5. It can be used as detergent corrosion inhibitors, stabilizers and antioxidants, etc., are also used in cosmetic hair dye.
6. It can effectively treat pigmented skin.And can be used for skin whitening.
Hydroquinone is mainly used for the preparation of black and white developers, anthraquinone dyes, azo dyes, rubber antioxidants, stabilizers and antioxidants. Sample Information Before bulk order,Sample is available. Customer only pay the delivery cost. You can send us email for your required product details.