CAS No.: | 57-55-6 |
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Formula: | C3h8o2 |
EINECS: | 200-338-0 |
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Specification | Index | Result |
Appearance | Colorless, viscous, clear hygroscopic liquid without odor | ---- |
Identification | IR test | - |
Assay (Purity) | 99.5% min | 99.68% |
Specific gravity | 1.035 - 1.037 g/cm3 at 25 °C | 1.036 |
Index of refraction | 1.431 - 1.433 nD20 | 1.433 |
Acidity | ≤ 0.20 ml of 0.10 N NaOH | 0.15 |
Water/Moisture | 0.2% max | 0.18% |
Residue on ignition | 0.004% max | 0.003% |
Chloride | 5 ppm max | 4 |
Heavy metals(as Pb) | 5 ppm max | 4 |
Sulphates(as SO42-) | 10 ppm max | 8 |
Oxidizing substances | Not required | -- |
Arsenic | 5 ppm max | 4 |
Color | 5 | 5 |
Reducing substances | Not required | -- |
Organic volatile impurities | Chloroform: 60 ppm 1,4-dioxane: 400 ppm Methylene chloride: 600 ppm d. Trichloroethylene: 100 ppm |
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