1 | Description | White, crystalline solid, having a faint characteristic odour. | White, crystalline solid, having a faint characteristic odour. |
2 | Solubility | Complies | Freely soluble in alcohol, in chloroform and in ether. Insoluble in water & in propylene glycol. |
3 | Identification A (By IR) | Complies | IR Spectra of the sample should be concomitant with IR spectra of standard |
4 | Identification B (by Chromatogram) | Complies | The retention time of the BHT peak of the sample solution corresponds to that of the standard solution as obtained in the assay.The chromatographic profile of sample solution should exhibit only one major peak corresponding to the main compound. |
5 | Assay | 99.7% | 99.0%-101.5% |
6 | Residue on ignition | 0.001% | Not more than 0.002% |
7 | Organic impurities : p-Cresol or m- cresol | Not detected | NMT 0.1% |
8 | Organic impurities : 3-tert-Butyl-4Hydroxyanisole (BHA) | Not detected | NMT 0.1% |
9 | Organic impurities: 3,5-Di-tert-butyl-4-hydroxybenzoic acid | Not detected | NMT 0.1% |
10 | Organic impurities : 2-tert-Butyl-4-methylphenol or 2-tert-butyl-5-methylphenol | Not detected | NMT 0.1% |
11 | Organic impurities : 3,5-Di-tert-butyl-4-hydroxybenzaldehyde | Not detected | NMT 0.1% |
12 | Organic impurities : 4,6-Di-tert-butyl-m-cresol | Not detected | NMT 0.1% |
13 | Organic impurities : 2,6-Di-tert-butyl-phenol | Not detected | NMT 0.1% |
14 | Organic impurities : Any unspecified impurity | 0.06% | NMT 0.1% |
15 | Organic impurities : total impurities | 0.08% | NMT 0.7% |