3,4-DIMETHYLPHENYL ISOCYANATE
- CAS NO.：51163-27-0
- Empirical Formula: C9H9NO
- Molecular Weight: 147.17
- MDL number: MFCD00013867
- EINECS: 625-597-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:35:41
What is 3,4-DIMETHYLPHENYL ISOCYANATE?
The Uses of 3,4-DIMETHYLPHENYL ISOCYANATE
3,4-Dimethylphenyl isocyanate is used as a pharmaceutical intermediate.
Definition
ChEBI: An isocyanate that consists of phenyl isocyanate bearing two additional methyl substituents at positions 3 and 4.
Properties of 3,4-DIMETHYLPHENYL ISOCYANATE
| Boiling point: | 85 °C2 mm Hg(lit.) |
| Density | 1.051 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 198 °F |
| Water Solubility | Hydrolyzes in water. |
| Sensitive | Moisture Sensitive |
| BRN | 775149 |
| CAS DataBase Reference | 51163-27-0 |
Safety information for 3,4-DIMETHYLPHENYL ISOCYANATE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H227:Flammable liquids H300:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H330:Acute toxicity,inhalation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P320:Specific treatment is urgent (see … on this label). P330:Rinse mouth. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 3,4-DIMETHYLPHENYL ISOCYANATE
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