S-methylisothiourea sulfate S-methylisothiouronium sulfate Methyl carbamimidothioate sulfate(2:1)
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S-methylisothiourea hemisulfate
Molecular formula:
Other name: S-methylisothiouronium sulfate, 2-Methyl-2-thiopseudourea sulfate, Methyl carbamimidothioate sulfate(2:1)
Cas: 867-44-7
Einecs:212-759-7
Molecular formula:C2H7N2O4S2
Molecular weight: 187.22
Density:1.28
Melting point: 240-241℃
Boiling point: 138.8℃ at 760 mmHg
Flash point: 37.7℃
Content: 99%
Appearance: Off-white or white crystal
Transportation:by Express, by Air, by Sea
Storage: in dry,cool and ventilated place
Application:
1、Pharmaceutical intermediate for synthesize 5-Fluorouracil, Prednisolone phosphate sodium, guanoclor, guanethidine hemisulfate.
2、Pesticide industry for the production of fungicide carbendazim, benzene Wright and its phosphorus insecticides armor, etc.
Item of Analysis |
Standard |
Result of Analysis |
Description |
White or almost white crystal |
White crystal |
Melting Point |
237.0~242.0℃ |
239.0~240.4℃ |
Identification |
The IR spectrum of test sample corresponds to that of the standard. |
Conform |
Loss on drying |
≤1.0% |
0.52% |
Assay |
≥98.0% |
99.2% |
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