Monothioglycerol USP-NF PARENTEX 1KG | |||
P7995LR100 | 41998A902JW | ||
USP-NF PARENTEX | 41998A9 | ||
96-27-5 | 98280 | ||
C3H8O2S | October 2023 | ||
108.16 | September 2026 | ||
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) | 1.245 | 1.241 to 1.250 |
4 | Refractive index (25°C) | 1.525 | 1.521 to 1.526 |
5 | pH (10% aq soln) | 4.3 | 3.5 to 7.0 |
6 | Water | 0.4% | NMT 5.0% |
7 | Residue on ignition | 0.03% | NMT 0.1% |
8 | Selenium | 1 µg/g | NMT 30 µg/g |
9 | Assay (Anhydrous basis) | 98.7% | 97.0%-101.0% |
10 | Total aerobic microbial count | Less than 100 CFU/ml | NMT 100 CFU/ml |
11 | Total combined yeast and molds count | Less than 10 CFU/ml | NMT 10 CFU/ml |
12 | Bacterial endotoxins | Less than 6.0 EU/ml | NMT 6.0 EU/ml |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |