
| Hydroquinone AR 500GM | |||
| 20778SG500 | 958430319BZ | ||
| AR | 9584303 | ||
| 123-31-9 | 117515 | ||
| C6H6O2 | February 2026 | ||
| 110.11 | January 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Colourless crystalline powder. | Colourless or almost colourless crystals/crystalline powder. | |
| 2 | Solubility | Complies | 5% solution in water is clear. | |
| 3 | Assay | 99.7% | min.99.5% | |
| 4 | Melting point | 172°C | 170-175°C | |
| 5 | Resorcinol[C6H4(OH)2] | Complies | NIL | |
| 6 | Residue on ignition | 0.006% | 0.01%max | |
| 7 | Iron(Fe) | Less than 0.001% | 0.001%max | |
| 8 | Lead(Pb) | Less than 0.001% | 0.001%max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |