Bromomethane; Methyl bromide
NIOSH Potential Occupational Carcinogen
Flame
Gas Cylinder
Corrosion
Skull and Crossbones
Exclamation Mark
Health Hazard
Environment
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H220 |
Extremely flammable gas | Flammable gases |
H301 |
Toxic if swallowed | Acute toxicity, oral |
H314 |
Causes severe skin burns and eye damage | Skin corrosion/irritation |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H331 |
Toxic if inhaled | Acute toxicity, inhalation |
H341 |
Suspected of causing genetic defects | Germ cell mutagenicity |
H370 |
Causes 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 |
H401 |
Toxic to aquatic life | Hazardous to the aquatic environment, acute hazard |
H411 |
Toxic to aquatic life with long lasting effects | Hazardous to the aquatic environment, long-term hazard |
H420 |
Harms public health and the environment by destroying ozone in the upper atmosphere | Hazardous to the ozone layer |
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. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P273 |
Avoid release to the environment. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P361+P354 |
IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
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)). |
P330 |
Rinse mouth. |
P363 |
Wash contaminated clothing before reuse. |
P377 |
Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
P381 |
In case of leakage, eliminate all ignition sources. |
P391 |
Collect spillage. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
P502 |
Refer to manufacturer or supplier for information on recovery or recycling |
Exposure Limits
| NIOSH IDLH | 250 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless gas with a chloroform-like odor at high concentrations.
| Boiling Point | 38°F |
| Vapor Pressure | 1.9 atm |
| Specific Gravity | 1.73 (liquid at 32°F) |
NFPA 704 Diamond
1
3
0
Health
Fire
Reactivity
Synonyms
bromomethane; monobromomethane
Data Sources
- GHS Classification: PubChem CID 6323
- 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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