1 | Appearance/Description | Clear, colorless, volatile, hygroscopic liquid and having a characteristic odor. | Clear, colorless, volatile, hygroscopic liquid and having a characteristic odor. |
2 | Solubility | Complies | Miscible with water, with alcohol, with ether, with benzene, with methylene chloride and with most other organic solvents. |
3 | Boiling point | 64°C | About 64°C. |
4 | Identification (By IR) | Complies | IR spectra of the Sample should be concomitant with Reference spectrum of Methanol. |
5 | Identification (By Chromatogram) | Complies | The retention time of the major peak of the Sample solution corresponds to that of the Standard solution. |
6 | Identification (By Refractive index, 20 ± 0.5°C) | 1.328 | 1.328 – 1.330 |
7 | Appearance | Complies | Solution should be clear and colorless. |
8 | Acidity or Alkalinity | 0.7 mL of 0.01 M sodium hydroxide | NMT 0.9 mL of 0.01M sodium hydroxide should require to change the color of the indicator to pink. |
9 | Alkalinity (as ammonia) | 0.10 mL of 0.020 N sulfuric acid | NMT 0.20 mL of 0.020 N sulfuric acid is required to produce a pink color (3 ppm) |
10 | Relative density (20°C) | 0.791 | 0.791 – 0.793 |
11 | UV absorbance profile (10mm cell) at 230nm | 0.116 | NMT 0.15 |
12 | UV absorbance profile (10mm cell) at 250nm | 0.024 | NMT 0.05 |
13 | UV absorbance profile (10mm cell) at 270nm | 0.012 | NMT 0.02 |
14 | UV absorbance profile (10mm cell) at 290nm | 0.006 | NMT 0.01 |
15 | Readily carbonizable substances | Complies | No discoloration should develop. |
16 | Readily oxidizable substances | Complies | The pink color should not completely disappear within 5 min. |
17 | Impurity A (Benzene) | Not detected | NMT 2 ppm v/v |
18 | Related substances (Any impurity) | 0.003% | NMT 0.1% |
19 | Related substances (Total impurity) | 0.02% | NMT 0.3% |
20 | Nonvolatile residue / Residue on evaporation | 0.0006% | NMT 0.001% w/w |
21 | Water | 0.044% | NMT 0.10% |
22 | Assay | 99.84% | NLT 99.5% |
23 | Acetone and Aldehyde (as acetone) | Less than 0.003% | Any turbidity produced in the Sample solution is not greater than that produced in the Standard solution (NMT 0.003%). |