Customization: | Available |
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Certification: | ISO, FDA |
Assay Method: | HPLC, UV, Gc |
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Product Name | DMPS |
Grade | Medicine Grade |
Specification | 98% |
Synonym | DMPS; Sodium Dimercaptosulphonate; DL-2,3-Dimercapto-1-propanesulfonic acid sodium salt monohydrate |
Molecular Weight | 228.29 |
Molecular Formula | C3H9NaO4S3 |
Appearance | White or off-white crystalline powder |
Melting point | 229ºC |
Assay | ≥99.0% |
Source | Synthetic |
CAS | 207233-91-8 |
Tests | Specification | Results | ||
Appearance | White powder or white-crystalline powder | white-crystalline powder | ||
Identification | Positive NMR | complies | ||
Solubility | Freely soluble in water,almost non-soluble in 95% of Ethanol,aether or chloroform. | complies | ||
Solution Colority | Solution of 0.7g of substance in 10ml of water has to be colorless | complies | ||
Clarity of color | <1# (Reference CP2010) | complies | ||
PH | 3.5-5.0 (Reference CP2010) | 4.00 | ||
Heavy metals | ≤10 ppm (Reference CP2010) | complies | ||
Residual Solvent | Ethanol:Not More Than 0.5% | N.D | ||
Acetic Acid:Not More Than 0.5% | N.D | |||
Substance Related | ≤5% | 1.2% | ||
Count of bacteria | Bacillus < 1000 Entries/ 1g | complies | ||
Mildew < 100 Entries/ 1g | complies | |||
Microzyme < 100 Entries/ 1g | complies | |||
Loss on drying | ≤ 0.5%(Reference CP2010) | 0.30% | ||
Iron | < 50ppm(Reference CP2010) | Complies | ||
Assay(Titration) | NLT98% | 99.20% | ||
Conclusion:. | Comply with the in-house Standard |