1,3,4-thiadiazole-2,5-dithiol
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 1,3,4-thiadiazole-2,5-dithiol | |||||||||||||||
other names |
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Molecular formula | C 2 H 2 N 2 S 3 | |||||||||||||||
Brief description |
yellow powder |
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properties | ||||||||||||||||
Molar mass | 150.25 g mol −1 | |||||||||||||||
Physical state |
firmly |
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Melting point |
168 ° C (decomposition) |
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solubility |
soluble in alkalis |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
1,3,4-thiadiazole-2,5-dithiol or bismuthiol I is a chemical compound that is used as a complexing agent for the detection of bismuth , copper , lead , antimony , palladium . The detection limits are below 5 mg / kg (Bi, Cu, Pb).
Individual evidence
- ↑ a b c Entry on 2,5-disulfanyl-1,3,4-thiadiazole. In: Römpp Online . Georg Thieme Verlag, accessed on January 17, 2014.
- ↑ a b c data sheet bismuthiol I from Sigma-Aldrich , accessed on January 17, 2014 ( PDF ).
- ^ AK Majumdar, MM Chakrabartty: Bismuthiol I as an analytical reagent . In: Fresenius' Journal for Analytical Chemistry . tape 165 , no. 2 , 1959, p. 100-105 , doi : 10.1007 / BF00451984 ( PDF ).