Monothioglycerol USP-NF 1KG | |||
90995LR100 | 429300812BX | ||
USP-NF | 4293008 | ||
96-27-5 | 102266 | ||
C3H8O2S | February 2024 | ||
108.16 | January 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | A colourless, viscous liquid, having a slight sulfidic odor. Is hygroscopic. | A colourless or pale yellow, viscous liquid, having a slight sulfidic odor. Is hygroscopic. |
2 | Solubility | Complies | Miscible with alcohol, freely soluble in water, insoluble in ether. |
3 | Specific gravity (25°C) | 1.246 | 1.241 to 1.250 |
4 | Refractive index (25°C) | 1.525 | 1.521 to 1.526 |
5 | pH (10% aq soln) | 4.8 | 3.5 to 7.0 |
6 | Water | 2.2% | Not more than 5.0% |
7 | Residue on ignition | 0.02% | Not more than 0.1% |
8 | Selenium | 0.8 µg/g | Not more than 30 µg/g |
9 | Assay (Anhydrous basis) | 99.8% | 97.0%-101.0% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |