1 | Appearance/Description | White crystalline powder, having a faint, characteristic odor. | White or yellowish / slightly yellow or slightly pinkish waxy solid or crystalline powder, having a faint, characteristic odor. |
2 | Solubility | Complies | Freely soluble in alcohol, in propylene glycol, in chloroform and in ether, and in fatty oils. Practically insoluble in water. very soluble in methylene chloride. It dissolves in dilute solutions of alkali hydroxides. |
3 | Identification (By IR) | Complies | All peak positions determined for butylated hydroxyanisole are within 5cm-1 of those determined for 3-tert-Butyl-4-hydroxyanisole standard. |
4 | Identification (By Chromatography) | Complies | The retention time of the main peak of the sample solution corresponds to that of the std. solution. The chromatographic profile of the sample solution similar to that of the std. solution and exhibit only 1 major peak corresponding to BHA. |
5 | Identification (By chemical test 1) | Complies | After separation, the organic layer is red. |
6 | Identification (By chemical test 2) | Complies | A red color develops. |
7 | Assay(HPLC) | 99.38% | NLT 98.5% |
8 | Assay(HPLC)- 2-tert-Butyl-4-hydroxyanisole | 2.9% | Not more than 10.0% |
9 | Appearance of Solution | Complies | Solution is clear and not more intensely colored than intensity 5 of the range of reference solutions of the most appropriate color. |
10 | Related substances (Any impurity) | 0.07% | NMT 0.2% |
11 | Related substances (Total impurity) | 0.14% | NMT 0.5% |
12 | Residue on ignition /Sulfated ash | 0.006% | NMT 0.01% |