4-Methyl-2-nitroaniline
Synonym(s):2-Nitro-p-toluidine;4-Amino-3-nitrotoluene
- CAS NO.：89-62-3
- Empirical Formula: C7H8N2O2
- Molecular Weight: 152.15
- MDL number: MFCD00007907
- EINECS: 201-924-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-10-21 09:18:54
What is 4-Methyl-2-nitroaniline?
Chemical properties
orange to orange-brown fine crystalline powder
The Uses of 4-Methyl-2-nitroaniline
4-Methyl-2-nitroaniline is used as a red azo dye.
Definition
ChEBI: A C-nitro compound in which the nitro compound is ortho to the amino group and meta to the methyl group of p-toluidine.
Preparation
4-Methyl-2-nitrobenzenamine in oblate sulfuric acid and saponification.
Production Methods
N-Acetyl-p-toluidine is nitrated with mixed acid, and the quenched reaction mixture is heated and hydrolyzed to 3-nitro-p-toluidine.
General Description
Red crystals or bright orange powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
4-Methyl-2-nitroaniline is incompatible with acids, acid chlorides, acid anhydrides, chloroformates, and strong oxidizers .
Fire Hazard
4-Methyl-2-nitroaniline is combustible.
Flammability and Explosibility
Non flammable
Properties of 4-Methyl-2-nitroaniline
| Melting point: | 115-116 °C (lit.) |
| Boiling point: | 169°C (21 mmHg) |
| Density | 1,164 g/cm3 |
| vapor pressure | 0.06Pa at 25℃ |
| refractive index | 1.6276 (estimate) |
| Flash point: | 157°C |
| storage temp. | −20°C |
| solubility | 0.2g/l |
| form | Fine Crystalline Powder |
| pka | 0.46±0.10(Predicted) |
| Colour Index | 37110 |
| color | Orange to orange-brown |
| Water Solubility | Soluble in water (0.2 g/L at 20°C). |
| BRN | 879506 |
| CAS DataBase Reference | 89-62-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Nitro-4-aminotoluene(89-62-3) |
| EPA Substance Registry System | 4-Methyl-2-nitroaniline (89-62-3) |
Safety information for 4-Methyl-2-nitroaniline
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for 4-Methyl-2-nitroaniline
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