Chloromethane; Methyl chloride
NIOSH Potential Occupational Carcinogen
Flame
Gas Cylinder
Exclamation Mark
Health Hazard
Safety Data Sheets
| Manufacturer | Download |
|---|---|
| Apollo | Download PDF |
| Sigma Aldrich | Download PDF |
| Syn Quest | Download PDF |
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H220 |
Extremely flammable gas | Flammable gases |
H280 |
Contains gas under pressure; may explode if heated | Gases under pressure |
H332 |
Harmful if inhaled | Acute toxicity, inhalation |
H336 |
May cause drowsiness or dizziness | Specific target organ toxicity, single exposure; Narcotic effects |
H340 |
May cause genetic defects | Germ cell mutagenicity |
H360 |
May damage fertility or the unborn child | Reproductive toxicity |
H370 |
Causes damage to organs | Specific target organ toxicity, single exposure |
H371 |
May cause damage to organs | Specific target organ toxicity, single exposure |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
P210 |
Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking. |
P222 |
Do not allow contact with air. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P318 |
if exposed or concerned, get medical advice. |
P319 |
Get medical help if you feel unwell. |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P377 |
Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
P381 |
In case of leakage, eliminate all ignition sources. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P410+P403 |
Protect from sunlight. Store in a well-ventilated place. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 100 ppm |
| NIOSH IDLH | 2000 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless gas with a faint, sweet odor which is not noticeable at dangerous concentrations.
| Boiling Point | -12°F |
| Flash Point | -49.0°F |
| Vapor Pressure | 5.0 atm |
| Specific Gravity | 0.997 at -11.2°F |
NFPA 704 Diamond
4
2
0
Health
Fire
Reactivity
Target Organs
potential for cancer, possible teratogenic effects; tumors of the kidney, forestomach and lung in animals
Synonyms
chloromethane; monochloromethane
Data Sources
- GHS Classification: PubChem CID 6327
- OSHA PEL: OSHA Occupational Chemical Database
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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