p-Dimethylaminobenzalrhodanine , AR,91% , 536-17-4

Synonym(s):
5-(4-Dimethylaminobenzylidene)rhodanine;5-(4-Dimethylaminobenzylidene)-rhodanine

CAS NO.：536-17-4

Empirical Formula: C12H12N2OS2

Molecular Weight: 264.37

MDL number: MFCD00064857

EINECS: 208-625-2

PRODUCT Properties

• Melting point: 285-288 °C(lit.)
• bulk density: 225kg/m3
• Density: 1.36±0.1 g/cm3 (20 ºC 760 Torr)
• refractive index: 1.5950 (estimate)
• storage temp.: Store below +30°C.
• solubility: dioxane: soluble0.1g/10 mL (hot)
• form: Fluffy Powder
• pka: 8.17±0.30(Predicted)
• color: Red
• Water Solubility: Insoluble in water, 993.7(mg/L) at 25°C
• λmax: 451 nm
• Merck: 14,3231
• BRN: 189065
• CAS DataBase Reference: 536-17-4(CAS DataBase Reference)
• EPA Substance Registry System: 4-Thiazolidinone, 5-[[4-(dimethylamino)phenyl]methylene]-2-thioxo- (536-17-4)

Description and Uses

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

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 22-24/25-36/37-26
• WGK Germany: 3
• RTECS: VI8090000
• TSCA: Yes
• HazardClass: IRRITANT
• HS Code: 29349990