CASR |
: | 79-33-4 |
Molecular Formula |
: | C3H6O3 |
Molecular Weight |
: | 90.08 |
Specifications | |
---|---|
Description: | A colourless or slightly yellow, viscous liquid; hygroscopic. |
Solubility: | Miscible in all proportion with water, with ethanol (95%) and with ether. |
Identification A (By Chemical test): | Aldehyde should evolve. |
Identification B (By Chemical test): | A dark green ring appears at the interface of the two liquids. |
Identification C (By Chemical test): | Solution should be strongly acidic. |
Appearance of Solution: | The substance is not more intensely coloured than reference solution YS6. |
Arsenic (As): | NMT 1ppm |
Heavy metals: | NMT 10ppm |
Citric, oxalic and phosphoric acids: | Any opalescence in the solution is not more intense than that in a mixture of 5 mL of the test solution and 1 mL of water. |
Ether insoluble substances: | The solution is not more opalescent than the solvent used for the test. |
Volatile fatty acids: | No unpleasant odour resembling that of lower fatty acids is recognizable immediately after opening the flask. |
Methanol and methyl esters: | Any color in the solution is not more intense than that of 1 mL of reference solution. |
Reducing sugars: | No red or greenish precipitate should produce. |
Sulphated ash: | NMT 0.1% |
Assay: | 88.0% - 92.0% w/w |