Description
Synonyms: 5-(4-(Dimethylamino)benzylidene)-2-thioxothiazolidin-4-one, p-(Dimethylamino)benzal-5-rhodanine
Empirical Formula (Hill Notation): C12H12N2OS2
Application
5-(4-Dimethylaminobenzylidene)rhodanine is a silver-specific dye that is used to quantitate the autoradiographic deposition of silver onto X-ray film in a colorimetric assay.
5-(4-Dimethylaminobenzylidene)rhodanine is used as an indicator in the titration of cyanide solution with silver nitrate solution.
PROPERTIES
Pack Sizes
10g; 25g
Assay
97%
form
powder
technique(s)
titration: suitable
mp
285-288 °C (lit.)
solubility
H2O: insoluble
acetone: moderately soluble
benzene: very slightly soluble
chloroform: very slightly soluble
diethyl ether: very slightly soluble
λmax
451 nm
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