1 | Appearance | Slightly yellowish liquid. | Clear, colourless or slightly yellowish liquid. |
2 | Solubility | Complies | Miscible with water and with ethanol (96%). It froths copiously when shaken. |
3 | Identification A (By UV spectrophotometry) | Complies | Absorbance maxima should be at 257 nm, 263 nm and 269 nm. Shoulder about 250 nm |
4 | Identification B (By Liquid Chromatography) | Complies | The principal peaks in the chromatogram obtained with the test solution are similar in retention time to the principal peaks in the chromatogram obtained with the reference solution. |
5 | Identification C (By Chemical test) | 130°C | The crystals should melt at 127°C to 133°C |
6 | Identification D (By Chemical test) | Complies | The methylene chloride layer should becomes blue. |
7 | Identification E (By Chemical test) | Complies | The precipitate should dissolves easily with the possible exception of a few large particles which dissolve slowly. |
8 | Appearance of Solution | Complies | Solution should be clear and not more intensely coloured than reference solution Y6. |
9 | Acidity or Alkalinity | Complies | Not more than 0.1mL of 0.1M hydrochloric acid or 0.1M sodium hydroxide should require to change the colour of the indicator. |
10 | Average relative molecular mass and ratio of Alkyl components (C12 homologue) | 61.64% | NLT 40.0% |
11 | Average relative molecular mass and ratio of Alkyl components (C14 homologue) | 38.36% | NLT 20.0% |
12 | Average relative molecular mass and ratio of Alkyl components (Sum of C12 and C14 homologue) | 100.00% | NLT 70.0% |
13 | Impurities A (Benzyl alcohol) | 0.03% | NMT 0.5% |
14 | Impurities B (Benzaldehyde) | 0.02% | NMT 0.15% |
15 | Impurities C (chloromethyl)benzene | Not detected | NMT 0.05% |
16 | Amine & amine salts | Complies | NMT 5.0 mL of 0.1M tetrabutylammonium hydroxide solution required between two points of inflexion. |
17 | Sulphated ash | 0.03% | NMT 0.1% |
18 | Assay | 506 g/L | 475g/L to 525 g/L |