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114588

Sigma-Aldrich

5-(4-Dimethylaminobenzylidene)rhodanine

97%

Synonym(s):
5-(4-(Dimethylamino)benzylidene)-2-thioxothiazolidin-4-one, p-(Dimethylamino)benzal-5-rhodanine
Empirical Formula (Hill Notation):
C12H12N2OS2
CAS Number:
Molecular Weight:
264.37
Beilstein:
189065
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

SMILES string

CN(C)c1ccc(cc1)\C=C2\SC(=S)NC2=O

InChI

1S/C12H12N2OS2/c1-14(2)9-5-3-8(4-6-9)7-10-11(15)13-12(16)17-10/h3-7H,1-2H3,(H,13,15,16)/b10-7+

InChI key

JJRVRELEASDUMY-JXMROGBWSA-N

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This Item
D16140339090V1309
assay

97%

assay

97%

assay

≥98.0% (S)

assay

97%

form

powder

form

crystals

form

-

form

-

technique(s)

titration: suitable

technique(s)

-

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

-

mp

285-288 °C (lit.)

mp

174-177 °C (lit.)

mp

285-288 °C (lit.)

mp

-

solubility

H2O: insoluble, acetone: moderately soluble, benzene: very slightly soluble, chloroform: very slightly soluble, diethyl ether: very slightly soluble

solubility

-

solubility

dioxane: 0.1 g/10 mL (hot)

solubility

-

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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