Overview
N-Methylaniline (CAS 100-61-8 ) is a secondary aromatic amine used as a chemical intermediate and functional additive in industrial manufacturing. It supports dye synthesis, curing reactions, and stabilization processes across several manufacturing sectors.
In pigment and colorant production, it acts as a key building block for azo dyes and other synthetic colorants used in printing inks and packaging coatings. Polymer formulators use it as a crosslinking agent and curing accelerator.
This material is utilized in resin systems, improving network density and end-product durability. In personal care manufacturing, it contributes to the synthesis of intermediates used in hair dye formulations and oxidative colorant systems.
Its antioxidant function also supports stabilization of certain polymer compounds during processing, extending material service life. N-Methylaniline is supplied as a liquid at standard commercial purity levels for various applications.
The product typically ranges from 98% to 99%+ for technical and synthesis-grade applications. Technical grade is the primary market specification, suited for industrial intermediate and formulation use across global supply chains.
Packaging is available in drums and intermediate bulk containers (IBCs) to support both laboratory-scale procurement and bulk industrial supply. This ensures flexible logistics for manufacturers requiring consistent chemical quality.
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Physical Properties
| Melting Point | -57 °C |
| Boiling Point | 196.25 °C |
| Density | 0.989 g/cm³ @ Temp: 20 °C |
| Flash Point | 174 °F |
| Appearance | N-Methylaniline is a yellow to light brown oily liquid with a weak, ammonia-like odor. Turns reddishbrown if left standing. The odor threshold is 1.7 ppm |
| Color | Clear yellow to brown |
| Odor | Moderate aniline-type. |
| Form | Liquid |
| Water Solubility | 30 g/L |
| Vapor Pressure | 0.5 hPa (20 °C) |
| Refractive Index | n 20/D 1.571(lit.) |
| pH | 7.6 (1g/l, H2O, 20℃) |
| Log P | 1.66 at 20℃ |
Safety & Handling
Danger GHS06 GHS08 GHS09 GHS07 Hazard Statements H227 Combustible liquid H301 Toxic if swallowed H302 Harmful if swallowed H311 Toxic in contact with skin H315 Causes skin irritation H319 Causes serious eye irritation H331 Toxic if inhaled H335 May cause respiratory irritation H370 Causes damage to organs H371 May cause damage to organs H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H400 Very toxic to aquatic life H401 Toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects H411 Toxic to aquatic life with long lasting effects Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. P403 Store in a well-ventilated place. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29214200 |
| UN Number | 2294 |
| ADR Class | 6.1 |
| Packing Group | III |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 100-61-8
- EC Number
- 202-870-9
- Mol. Weight
- 107.15
- HS Code
- 29214200
- Category
- Pigments & Colorants