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Hydroquinone is an organic compound with the chemical formula C6H6O2. It is a white crystalline solid that is commonly used in various industries, including pharmaceuticals, photography, and personal care products. Hydroquinone is known for its ability to inhibit the production of melanin, making it a popular ingredient in skin-lightening and depigmentation products.
| Property | Specification |
|---|---|
| CAS Number | 123-31-9 |
| Molecular Formula | C6H6O2 |
| Appearance | White crystalline solid |
| Assay | 99.0% min |
| Melting Point | 172-174°C |
| Boiling Point | 285-287°C |
| Solubility | Soluble in water, ethanol, and ether |
| Odor | Odorless |
| Density | 1.336 g/cm³ |
| pH (1% solution) | 5.0-7.5 |
| Stability | Stable under normal conditions |
| Hazard Class | Skin irritant, may cause eye irritation |
| Storage | Store in a cool, dry, well-ventilated area |