| English Name | Aniline |
| English Synonyms | Phenylamine; Aminobenzene; Benzenamine; C.I. 76000 |
| CAS Number | 62-53-3 |
| EINECS Number | 200-539-3 |
| Molecular Formula | C₆H₇N |
| Molecular Weight | 93.13 g/mol |
| InChI | InChI=1S/C₆H₇N/c7-6-4-2-1-3-5-6/h1-5H,7H₂ |
| Molecular Structure | 
|
| Density | 1.0217 g/cm³ (20°C) • 1.0213 (literature) |
| Melting Point | -6.3°C |
| Boiling Point | 184°C (760 mmHg) • 68.3°C (1.33 kPa) |
| Flash Point | 76°C (Closed cup) • 70°C (Open cup) |
| Water Solubility | 36 g/L (20°C) • 3.7% (30°C) • 8.0% (110°C) |
| Refractive Index | nD20 = 1.5863 |
| Autoignition Point | 770°C |
| Physicochemical Properties | • Appearance: Colorless oily liquid (turns brown on air/light exposure)
• Odor: Characteristic amine odor
• Solubility: Miscible with ethanol, ether, chloroform; alkaline nature (forms salts with acids) |
| Applications | • Primary intermediate for 300+ products
• Global production: ~2.7M tons/year
• Major use: MDI production (84% consumption)
• Other uses: Dyes, rubber chemicals, pharmaceuticals, pesticides |
| Hazard Symbols | 
T: Toxic
• N: Dangerous to the environment |
| Risk Phrases | R23/24/25: Toxic by inhalation, skin contact, and if swallowed
R40: Possible carcinogen
R41: Risk of serious eye damage
R43: May cause skin sensitization
R48/23/24/25: Toxic effects through prolonged exposure
R50: Very toxic to aquatic organisms
R68: Possible risk of irreversible effects |
| Safety Phrases | S26: In case of eye contact, rinse immediately
S27: Remove contaminated clothing
S36/37/39: Wear protective clothing/gloves/eye-face protection
S45: Call medical assistance if exposed
S46: If swallowed, seek medical help
S61: Avoid environmental release |
| Upstream Raw Materials | Benzene, Nitric Acid, Hydrogen |
| Downstream Products | 4,4'-Methylenedianiline (MDA), MDI, Modified MDI, 1-Phenyl-3-methyl-5-pyrazolone, Benzoquinone, Hydroquinone, N-Ethylaniline, N,N-Dihydroxyethylaniline, N-Hydroxyethylaniline, Diphenylamine, 2,4,6-Trichloroaniline, Cyclohexylamine, Phenylhydrazine sulfate, Dicyclohexylamine, 2,6-Diethylaniline |
| MSDS Reference | [Aniline Safety Data Sheet] |
