N,N-DIMETHYL-4,4'-AZODIANILINE
Synonym(s):p,p′-Dimapa-aniline;p,p′-DMPA-aniline;4-(4-Dimethylaminophenylazo)aniline;4-Amino-4′-(dimethylamino)azobenzene;4-Amino-4′-dimethylaminoazobenzene
- CAS NO.：539-17-3
- Empirical Formula: C14H16N4
- Molecular Weight: 240.3
- MDL number: MFCD00010204
- EINECS: 208-712-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:41
What is N,N-DIMETHYL-4,4'-AZODIANILINE?
Chemical properties
dark orange to rust brown crystalline powder
The Uses of N,N-DIMETHYL-4,4'-AZODIANILINE
N,?N-?Dimethyl-?4,?4''-?azodianiline is a disperse dye. Dyes and metabolites.
What are the applications of Application
N,N-Dimethyl-4,4′-azodianiline is a dimethylated diazo dye
Preparation
4-Nitrobenzenamine diazo, and N,N-dimethylaniline?coupling, and then will the nitro reductive into amino.
Safety Profile
Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx
Purification Methods
Crystallise the azo-dye from aqueous EtOH. [Beilstein 14 IV 1004.]
Properties and Applications
black, red and black. Red crystallization, melting point of 186 ~ 187 ℃. Soluble in ethanol, acetone, soluble fiber element, pottery, solvent and carbon tetrachloride,. The strong sulfuric acid is palm in light yellow, diluted for orange red; In the light of nitric acid for palm red solution; In strong hydrochloric acid solution for red; In the thick of sodium hydroxide solution don’t change color.
| Standard(Polyamide) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 2 | 3 | 4 | 3-4 | 4 | 4 | |
Properties of N,N-DIMETHYL-4,4'-AZODIANILINE
| Melting point: | 190-195 °C (dec.) |
| Boiling point: | 373.02°C (rough estimate) |
| Density | 1.0236 (rough estimate) |
| refractive index | 1.4850 (estimate) |
| storage temp. | 2-8°C |
| form | powder to crystal |
| pka | 3.43±0.10(Predicted) |
| color | Yellow to Amber to Dark red |
| Water Solubility | 120.2ug/L(25 ºC) |
| BRN | 748253 |
| CAS DataBase Reference | 539-17-3(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenamine, 4-[(4-aminophenyl)azo]-N,N-dimethyl- (539-17-3) |
Safety information for N,N-DIMETHYL-4,4'-AZODIANILINE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for N,N-DIMETHYL-4,4'-AZODIANILINE
| InChIKey | BVRIUXYMUSKBHG-WUKNDPDISA-N |
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