Methyl isocyanate
isocyanatomethane, methyl ester of isocyanic acid, MIC
How to detect Methyl isocyanate
Formula: C2H3NO | CAS: 624-83-9
Synonyms: isocyanatomethane, methyl ester of isocyanic acid, MIC
Methyl isocyanate is used in the manufacture of various polymers, adhesives, resins and pesticides.
Specification
| Specification | Value/Information |
|---|---|
| Formula | C2H3NO |
| CAS no. | 624-83-9 |
| Gas Response Factor, 11.7 eV | 1.5 |
| Gas Response Factor, 10.6 eV | 5 |
| Gas Response Factor, 10.0 eV | ZR |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.422 |
| Molecular Weight, g/mole | 57.1 |
| Melting point, °C | '-45 |
| Boiling point, °C | 39 |
| Flash point, °C | '-7.2 |
| Specification | Value/Information |
|---|---|
| Lower Explosive Limit, % | 5.3 |
| Density, g.cm⁻³ | 0.96 |
| Ionisation Energy, eV | 10.67 |
| EH40 STEL, ppm | 0.02 |
| NIOSH TWA REL, ppm | 0.02 |
| NIOSH TWA REL, mg.m⁻³ | 0.05 |
| NIOSH IDLH, ppm | 3 |
| OSHA TWA PEL, ppm | 0.02 |
| OSHA TWA PEL, mg.m⁻³ | 0.05 |
















