5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
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
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-29 14:57:45
What is 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE?
Chemical properties
red fluffy powder
The Uses of 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
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.
The Uses of 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
As 0.03% solution in acetone for detection of silver, mercury, copper, gold, platinum and palladium ions.
The Uses of 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
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.
Safety Profile
Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx
Properties of 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
| 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) |
| pka | 8.17±0.30(Predicted) |
| form | Fluffy Powder |
| 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 for 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
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