N-Methyldiphenylamine
- CAS NO.：552-82-9
- Empirical Formula: C13H13N
- Molecular Weight: 183.25
- MDL number: MFCD00041900
- EINECS: 209-023-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:15
What is N-Methyldiphenylamine?
Chemical properties
CLEAR YELLOW LIQUID
The Uses of N-Methyldiphenylamine
manufacture of dyes; as reagent similar to diphenylamine.
The Uses of N-Methyldiphenylamine
N-Methyldiphenylamine may be used for the synthesis of phosphonium ion salts. It may also be used as a starting reagent for the preparation of bis(4-carboxyphenyl)-N-methylamine (H2CPMA).
Synthesis Reference(s)
Journal of Medicinal Chemistry, 23, p. 184, 1980 DOI: 10.1021/jm00176a015
General Description
N-Methyldiphenylamine is an aromatic tertiary amine. It undergoes transformation to N-methylcarbazole (C) via a photochemical reaction.
Hazard
Toxic by ingestion.
Properties of N-Methyldiphenylamine
| Melting point: | -7.6 °C |
| Boiling point: | 293 °C (lit.) |
| Density | 1.05 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| pka | 1.00±0.20(Predicted) |
| form | Crystalline Powder |
| color | White to beige |
| Water Solubility | INSOLUBLE |
| Merck | 14,6054 |
| CAS DataBase Reference | 552-82-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenamine, N-methyl-N-phenyl-(552-82-9) |
| EPA Substance Registry System | Benzenamine, N-methyl-N-phenyl- (552-82-9) |
Safety information for N-Methyldiphenylamine
| 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-Methyldiphenylamine
N-Methyldiphenylamine manufacturer
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