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HYDROQUINONE AR
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC2275 | AR | 99% | 123-31-9 | C6H6O2 | 110.11 | 2907.2200 | 36 Months |
Packings
| 100 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| pH value | 3.7 |
| Melting point/ Freezing point [°C] | 172 - 175 °C |
| Auto-ignition temperature [°C] | 499 °C |
| Flash point [°C] | 165 °C |
| Boiling point [°C] | 285 °C |
| Vapour pressure mm/Hg | 1 mmHg at 132 °C |
| Vapour density | 3.8 |
| Density [g/cm3] | 1.332 |
| Solubility in water [% weight] | Soluble in water |
| Partition coefficient Log Pow octanol / water at 20°C | 0.59 |
Specifications
| Appearance | White crystalline powder |
| Assay | Min 99% |
| Melting point | 170 - 174 deg C |
| Insoluble matter | Max 0.005% |
| Sulphated ash | Max 0.02% |
| Sulphate (SO4) | Max 0.02% |
| Copper (Cu) | Max 0.01% |
| Iron (Fe) | Max 0.001% |
| Lead (Pb) | Max 0.001% |
| Catechol | Max 0.02% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS05, GHS07, GHS08, GHS09 |
| Signal Word | Danger |
| UN No. | 3077 |
| IMCO Class No. | 9 |
| Packing Group | III |
| Hazardous Statement | H302-H317-H318-H341-H351-H400 |
| Precaution Statement | P273-P280-P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |