2,4,5-TRIMETHYLANILINE
- CAS NO.：137-17-7
- Empirical Formula: C9H13N
- Molecular Weight: 135.21
- MDL number: MFCD00025201
- EINECS: 205-282-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-14 15:27:00
What is 2,4,5-TRIMETHYLANILINE?
Chemical properties
white to light tan crystalline solid
The Uses of 2,4,5-TRIMETHYLANILINE
Manufacture of dyes, organic synthesis.
Definition
ChEBI: 2,4,5-Trimethylaniline is a substituted aniline.
General Description
White crystals or beige powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
2,4,5-TRIMETHYLANILINE neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Hazard
Questionable carcinogen.
Health Hazard
ACUTE/CHRONIC HAZARDS: When heated to decomposition 2,4,5-TRIMETHYLANILINE emits toxic fumes of nitrogen oxides.
Fire Hazard
Flash point data for 2,4,5-TRIMETHYLANILINE are not available; however, 2,4,5-TRIMETHYLANILINE is probably combustible.
Safety Profile
Confirmed carcinogen with experimental carcinogenic and tumorigenic data. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. Used as a dye, pigment, and printing ink. See also ANILINE DYES.
Properties of 2,4,5-TRIMETHYLANILINE
| Melting point: | 62 °C |
| Boiling point: | 232 °C |
| Density | 0.78 g/mL |
| refractive index | 1.5130 (estimate) |
| Flash point: | -5 °C |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| pka | 5.01±0.10(Predicted) |
| color | White to pink |
| Water Solubility | 1.5g/L(28.70 ºC) |
| BRN | 2352436 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 137-17-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenamine, 2,4,5-trimethyl-(137-17-7) |
| IARC | 3 (Vol. 27, Sup 7) 1987 |
| EPA Substance Registry System | 2,4,5-Trimethylaniline (137-17-7) |
Safety information for 2,4,5-TRIMETHYLANILINE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 2,4,5-TRIMETHYLANILINE
| InChIKey | BMIPMKQAAJKBKP-UHFFFAOYSA-N |
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![3,5-DI((2-[4-(TERT-BUTYL)-2,6-DIMETHYL-3,5-DINITROPHENYL]-2-OXOETHYL)THIO)ISOTHIAZOLE-4-CARBONITRILE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB6437268.gif)
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