CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methyl chloroformate appears as a colorless liquid with a pungent odor. Flash point 54 °F. Corrosive to metals and tissue. Vapors heavier than air. Very toxic by inhalation. Used to make other chemicals and insecticides. |
|---|---|
| Color/Form | CLEAR LIQUID |
| Odor | Unpleasant, acrid |
| Boiling Point | 160 °F at 760 mmHg (EPA, 1998) |
| Melting Point | less than -114 °F (USCG, 1999) |
| Flash Point | 54 °F (EPA, 1998) |
| Solubility | SOL IN CHLOROFORM, BENZENE, IN ALL PROPORTIONS IN ALCOHOL, ETHER |
| Density | 1.223 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Density | 3.26 (EPA, 1998) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 159.0 [mmHg] |
| Autoignition Temperature | 940 °F |
| Decomposition | WHEN HEATED TO DECOMPOSITION, EMITS HIGHLY TOXIC FUMES OF METHYL CHLOROFORMATE AND PHOSGENE. |
| Corrosivity | Corrodes rubber |
| Heat of Combustion | -6.89X10+8 J/kmol |
| Heat of Vaporization | 4.2599X10+7 J/kmol @ 192 deg K |
| Surface Tension | 0.044116 newtons/meter @ 192 deg K |
| Refractive Index | INDEX OF REFRACTION: 1.3868 @ 20 °C/D |
| Kovats Retention Index | 582 582 568.4 569 |
| Other Experimental Properties | Ratio of Specific Heats of Vapor (Gas): 1.1544 |
| Chemical Classes | Toxic Gases & Vapors -> Acid Halides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H312:Acute toxicity,dermal H314:Skin corrosion/irritation H330:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. 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
| Molecular Weight | 94.50 g/mol |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 93.9821570 g/mol |
| Monoisotopic Mass | 93.9821570 g/mol |
| Topological Polar Surface Area | 26.3 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 42.9 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Methyl chloroformate appears as a colorless liquid with a pungent odor. Flash point 54 °F. Corrosive to metals and tissue. Vapors heavier than air. Very toxic by inhalation. Used to make other chemicals and insecticides.