Product Information
Items | Standard | Result |
Description | White or off- White crystalline or crystalline Powder | White crystalline Powder |
Solubility | This product is slighty soluble in methanol or ethanol, it is almost insoluble in water or trichloromethane | complies |
Melting Point | 190℃-194℃ | 192℃-193.5℃ |
Identi cation | Chemistry identification Infrared identification | Conforming to the requirements Conforming to the reference infrared spectrum |
Acidity | PH2.5-3.0 | 2.6 |
Loss On Drying | ≤1.0% | 0.04% |
Residue on ignition | ≤0.1% | 0.01% |
Heavy metals | ≤10ppm | <10ppm |
Assay | ≥98.5% | 99.5% |
Description
2,3-Dimercaptosuccinic Acid DMSA Powder is the organosulfur compound with the formula HO2CCH(SH)CH(SH)CO2H. This colorless solid contains two carboxylic acid and two thiol groups, the latter being responsible for its mildly unpleasant odour. It occurs in two diastereomers, meso and the chiral dl forms.
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