Hydroquinone CAS No.123-31-9
Pharmaceutical Materials 2025-03-21
CAS No.123-31-9
| Attribute | Details |
|---|---|
| Chemical Name | Hydroquinone |
| CAS Number | 123-31-9 |
| Synonyms | 1.4-Benzenediol; p-Benzenediol; p-Dihydroxybenzene |
| Molecular Formula | C6H6O2 |
| Molecular Weight | 110.11 g/mol |
| Appearance | White to pale crystalline powder |
| Density | 1.323 g/cm³ at 20 °C |
| Melting Point | 158-161 °C |
| Solubility | Soluble in water, alcohol, ether, and glycerol; slightly soluble in benzene and chloroform |
| Uses | Used as a skin-lightening agent in cosmetics and pharmaceuticals; in the development of photographic films and printing plates; as an antioxidant in rubber and petroleum products; as a reducing agent in the chemical industry; in the synthesis of dyes and other chemicals. |
| Health Effects | May cause skin irritation and sensitization. Ingestion may cause gastrointestinal distress. Long-term exposure may affect the liver, kidneys, and central nervous system. Carcinogenic potential has been reported in some studies. |
| Safety Information | Handle with caution. Avoid contact with skin, eyes, and clothing. Wear appropriate personal protective equipment. Store in a cool, dry place, away from incompatible materials and sources of ignition. Follow safety regulations and MSDS guidelines. In case of spill, contain and dispose of according to local regulations. Avoid prolonged or repeated exposure. |
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