7612-98-8

Basic information

• Product Name: 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE
• Synonyms: DABITC;4-(4-ISOTHIOCYANATOPHENYLAZO)-N,N-DIMETHYLANILINE;4-DIMETHYLAMINOAZOBENZENE 4'-ISOTHIOCYANATE;4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE;4-N,N-DIMETHYLAMINOAZOBENZENE-4-ISOTHIOCYANATE;4-((4-ISOTHIOCYANATOPHENYL)AZO)-N N- &;Benzenamine, 4-(4-isothiocyanatophenyl)azo-N,N-dimethyl-;4-(Dimethylamino)azobenzene-4μ-isothiocyanate, DABITC
• CAS NO: 7612-98-8
• Molecular Formula: C₁₅H₁₄N₄S
• Molecular Weight: 282.36
• EINECS: 231-521-3
• Product Categories: marker
• Mol File: 7612-98-8.mol

Chemical Properties

• Melting Point: 167-171 °C(lit.)
• Boiling Point: 466.2°C at 760 mmHg
• Flash Point: 235.7°C
• Appearance: /
• Density: 1.2493 (rough estimate)
• Vapor Pressure: 7.25E-09mmHg at 25°C
• Refractive Index: 1.5700 (estimate)
• Solubility: dioxane: 20 mg/mL, clear, red
• PKA: 3.28±0.10(Predicted)
• Sensitive: Moisture Sensitive
• BRN: 752568
• CAS DataBase Reference: 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE(CAS DataBase Reference)
• NIST Chemistry Reference: 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE(7612-98-8)
• EPA Substance Registry System: 4-(N,N-DIMETHYLAMINO)AZOBENZENE-4'-ISOTHIOCYANATE(7612-98-8)

Safety Data

• Hazard Codes: Xn
• Statements: 42
• Safety Statements: 22-24/25
• RIDADR: 3234
• WGK Germany: 3
• RTECS: NX9125000
• F: 10-21
• HazardClass: IRRITANT
• Hazardous Substances Data: 7612-98-8(Hazardous Substances Data)

Usage

Chemical Properties

Rust crystalline powder

Uses

4-(4-Isothiocyanatophenylazo)-N,N-dimethylaniline is a stain/dye. Dyes and metabolites.

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.]

InChI:InChI=1/C15H14N4S/c1-19(2)15-9-7-14(8-10-15)18-17-13-5-3-12(4-6-13)16-11-20/h3-10H,1-2H3/b18-17+

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