Thiosemicarbazide
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Thiosemicarbazide | |||||||||||||||
other names |
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Molecular formula | CH 5 N 3 S | |||||||||||||||
Brief description |
white to yellowish powder with a faint odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 91.14 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
1.42 g cm −3 |
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Melting point |
181 ° C |
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boiling point |
Decomposition from 178 ° C |
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solubility |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Thiosemicarbazide is a chemical compound and an amino derivative of thiourea .
Extraction and presentation
It can be made by heating an aqueous solution of ammonium thiocyanate with hydrazinium sulfate and sodium hydroxide .
use
Thiosemicarbazide is used as an antioxidant , corrosion inhibitor , stabilizer in photography and as a raw material for the manufacture of pharmaceuticals (tuberculostatic thioacetazone and virostatic methisazone ).
Individual evidence
- ↑ a b c d e f g h i Entry on thiosemicarbazide in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
- ↑ a b c d Entry on thiosemicarbazide. In: Römpp Online . Georg Thieme Verlag, accessed on March 18, 2014.