Essential details
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Product Introduction
| Parameter | Details |
|---|---|
| Chemical Name | Benzene-1,4-diol |
| CAS Number | 123-31-9 |
| Molecular Formula | C₆H₆O₂ |
| Molecular Weight | 110.11 g/mol |
| Physical Appearance | Colorless to white crystalline powder; Darkens on exposure to light and air |
| Solubility | Soluble in water, ethanol, ether, acetone; Slightly soluble in benzene |
| Primary Applications | 1. Cosmetics: Skin-lightening agent (inhibits melanin production)2. Industry: Photographic developer; Precursor for dyes, polymers, and antioxidants3. Pharmaceuticals: Intermediate for drug synthesis |
| Mechanism of Action | Blocks tyrosinase activity, disrupts melanin synthesis in melanocytes; also accelerates melanin degradation |
| Safety & Regulatory Status | - EU: Banned in cosmetic products (due to potential genotoxicity and skin irritation)- US FDA: Allowed in over-the-counter (OTC) skin-lightening products at max 2% concentration; Prescription-only for higher strengths (up to 4%)- Global: Restricted in many countries due to safety concerns |
| Hazards | - Skin irritant (may cause contact dermatitis, erythema, burning)- Potential carcinogenic risk with long-term/high-dose exposure- Photosensitizing; May cause hyperpigmentation if used without sun protection |
| Storage Requirements | Store in airtight, light-resistant containers at cool, dry place; Keep away from oxidizing agents |
