Chloromethane
CAS Number: 74-87-3
Molecular formula: CH3Cl
Molecular weight: 50.49
Properties: colorless gas, can be compressed into colorless liquid with ether odor and sweet taste. Has anesthetic effect. Flammable. Melting point -97.7°C. The boiling point is -23.7°C. The flash point is less than 0°C. The relative density is 1.74. Slightly soluble in water, soluble in ethanol, benzene, carbon tetrachloride, miscible with chloroform, ether and glacial acetic acid, corrosive to aluminum, magnesium, and zinc.
Uses: used in organic silicon, refrigerants, refrigerants, fragrances, methyl cellulose, synthetic pesticides, rubber, etc.
Packaging: Tank truck or steel bottle packaging, the filling factor is 0.81kg/L.
Executive standard: industry standard HG/T 3674-2018
| Item | Index | ||
| Superior product | First grade | Qualified product | |
| Monochloromethane，ω/% | ≥99.90 | ≥99.80 | ≥99.50 |
| Chloroethane，ω/% | By the supplier and the demander | ||
| Moisture，ω/% | ≤0.0050 | ≤0.0100 | ≤0.0150 |
| Acidity (calculated as HCl)，ω/% | ≤0.0010 | ≤0.0020 | ≤0.0025 |
| Evaporation residue，ω/% | ≤0.0020 | ≤0.0020 | ≤0.0050 |
