4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
Synonym(s):4-(Dimethylamino)azobenzene-4′-isothiocyanate;DABITC
- CAS NO.：7612-98-8
- Empirical Formula: C15H14N4S
- Molecular Weight: 282.36
- MDL number: MFCD00004812
- EINECS: 231-521-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:48:02
What is 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE?
Chemical properties
Rust crystalline powder
The Uses of 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
4-(4-Isothiocyanatophenylazo)-N,N-dimethylaniline is a stain/dye. Dyes and metabolites.
What are the applications of Application
4-(4-Isothiocyanatophenylazo)-N,N-dimethylaniline is a dye for histology and hematology applications
Purification Methods
Crystallise DABITC by dissolving 1g in 150mL of boiling Me2CO, filtering hot and allowing to cool at -20o overnight, collecting the solid and drying it in a vacuum. Solutions in pyridine should be used immediately, otherwise it decomposes. It is moisture sensitive. [Chang Methods Enzymol 91 79, 455 1983.]
Properties of 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
| Melting point: | 167-171 °C(lit.) |
| Boiling point: | 466.2±30.0 °C(Predicted) |
| Density | 1.2493 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| solubility | dioxane: 20 mg/mL, clear, red |
| form | powder to crystal |
| pka | 3.28±0.10(Predicted) |
| color | Orange to Brown |
| Sensitive | Moisture Sensitive |
| BRN | 752568 |
| CAS DataBase Reference | 7612-98-8(CAS DataBase Reference) |
Safety information for 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
| Signal word | Danger |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H334:Sensitisation, respiratory |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P342+P311:IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
Computed Descriptors for 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
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