m-Tolyl isocyanate
Synonym(s):3-Methylphenyl isocyanate
- CAS NO.：621-29-4
- Empirical Formula: C8H7NO
- Molecular Weight: 133.15
- MDL number: MFCD00002021
- EINECS: 210-676-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is m-Tolyl isocyanate?
Chemical properties
Clear colorless to pale yellow liquid
The Uses of m-Tolyl isocyanate
m-Tolyl isocyanate was used as reagent during the synthesis of C5-cyclohexyl analog of the cholecystokinin type-B receptor antagonist L-365,260.
General Description
m-Tolyl isocyanate undergoes polymerization reaction to form the corresponding polymers by using lanthanum isopropoxide as initiator.
Flammability and Explosibility
Non flammable
Properties of m-Tolyl isocyanate
| Boiling point: | 75-76 °C12 mm Hg(lit.) |
| Density | 1.033 g/mL at 25 °C(lit.) |
| vapor pressure | 56.3Pa at 25℃ |
| refractive index | n |
| Flash point: | 150 °F |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Colorless to Yellow to Orange |
| Water Solubility | 10g/L at 20℃ |
| Sensitive | Moisture Sensitive |
| BRN | 386149 |
| CAS DataBase Reference | 621-29-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1-isocyanato-3-methyl-(621-29-4) |
| EPA Substance Registry System | Benzene, 1-isocyanato-3-methyl- (621-29-4) |
Safety information for m-Tolyl isocyanate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin H330:Acute toxicity,inhalation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 m-Tolyl isocyanate
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