114588

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: 536-17-4
• Molecular Weight: 264.37
• Beilstein: 189065
• EC Number: 208-625-2
• MDL number: MFCD00064857
• UNSPSC Code: 12352100
• PubChem Substance ID: 24847184
• NACRES: NA.22

Properties

• Quality Level: 100
• 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
• functional group: amine; thioether
• 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

Description

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.

Safety Information

• 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