5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE Chemical Properties

Melting point:

285-288 °C(lit.)

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

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)

Safety Information

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

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE Usage And Synthesis

Chemical Properties

red fluffy powder

Uses

Applied for the detection of Ag, Au, Cu, Hg, Pd, Pt, alkaloids, antipyrin, indican, sulfonamide, urobilinogen. Reagent for the determination of silver, palladium, mercury and gold. Also used in the photometric determination of auto radiograms.

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.

Uses

As 0.03% solution in acetone for detection of silver, mercury, copper, gold, platinum and palladium ions.

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx

5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE(536-17-4)Related Product Information

• 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
• 5-(4-DIETHYLAMINOBENZYLIDENE)RHODANINE
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• AURORA 3389
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• (5E)-5-[4-(DIMETHYLAMINO)BENZYLIDENE]-3-(4-METHOXYPHENYL)-2-THIOXO-1,3-THIAZOLIDIN-4-ONE
• ((5E)-5-[4-(DIMETHYLAMINO)BENZYLIDENE]-4-OXO-2-THIOXO-1,3-THIAZOLIDIN-3-YL)ACETIC ACID
• AURORA 9905
• AURORA 7114
• AURORA 391
• (E)-5-(4-(DIETHYLAMINO)BENZYLIDENE)-3-(MORPHOLINOMETHYL)-2-THIOXOTHIAZOLIDIN-4-ONE
• AURORA 1057
• 3-((5E)-5-[4-(DIMETHYLAMINO)BENZYLIDENE]-4-OXO-2-THIOXO-1,3-THIAZOLIDIN-3-YL)PROPANOIC ACID
• AURORA 7113
• 5-((4-(DIMETHYLAMINO)PHENYL)METHYLENE)-3-ETHYL-2-THIOXO-1,3-THIAZOLIDIN-4-ONE
• AURORA 5541
• AURORA 1164