1 | Description | A white crystalline solid having a faint characteristic odour | White, crystalline solid, having a faint characteristic odour. |
2 | Solubility | Passes | Freely soluble in alcohol, in chloroform and in ether. Insoluble in water & in propylene glycol. |
3 | Identification A (By IR) | Complies | To Comply the test |
4 | Identification B (by Chromatogram) | Complies | The retention time of the butylated hydroxytoluene peak of the sample solution corresponds to that of the standard solution , should exhibit only one major peak corresponding to the main compound. |
5 | Assay | 99.50% | 99.0%-101.5% |
6 | Residue on ignition | 0.001% | Not more than 0.002% |
7 | Heavy metals | NMT 10µg/g | NMT 10µg/g |
8 | Organic impurities : individual impurity | 0.07% | 0.1% max |
9 | Organic impurities : total impurities | NMT 0.7% | 0.7% max |
10 | Methanol as residual solvent | Not detected | 0.3% max |