Methanamine

CAS 74-89-5 CH₅N MW 31.1000 Danger
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Gas Cylinder Gas Cylinder
Corrosion Corrosion
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Health Hazard Health Hazard
Emergency: 911 | Poison Control: 1-800-222-1222

Hazard Statements

CodeStatementHazard Class
H220 Extremely flammable gas Flammable gases
H280 Contains gas under pressure; may explode if heated Gases under pressure
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
H332 Harmful if inhaled Acute toxicity, inhalation
H335 May cause respiratory irritation Specific target organ toxicity, single exposure; Respiratory tract irritation
H340 May cause genetic defects Germ cell mutagenicity
H373 May causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure

Precautionary Statements

CodeStatement
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.
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.
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.
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 PEL10 ppm
NIOSH REL10 ppm
NIOSH IDLH100 ppm
Skin NotationYes — can be absorbed through skin

Physical Properties

Colorless gas with a fish- or ammonia-like odor.

Boiling Point20.3°F
Vapor Pressure3.0 atm
Specific Gravity0.693 at 20.3°F

NFPA 704 Diamond

4
3
0
Health Fire Reactivity

Synonyms

aminomethane; methylamine (anhydrous); methylamine (aqueous); monomethylamine

Data Sources

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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