GHS ClassificationCAS 7664-41-7
Ammonia — GHS Hazards, Signal Word & Safe Handling
Ammonia is classified Danger under GHS, with hazards including Flammable gas (H221), Contains gas under pressure; may explode if heated (H280), Causes severe skin burns and eye damage (H314), Toxic if inhaled (H331), and Very toxic to aquatic life with long lasting effects (H410).
Signal word — DANGER
Concentration (this SDS record)90 - 100 %
GHS Hazard Summary
| Code | Hazard statement |
|---|---|
| H221 | Flammable gas |
| H280 | Contains gas under pressure; may explode if heated |
| H314 | Causes severe skin burns and eye damage |
| H331 | Toxic if inhaled |
| H410 | Very toxic to aquatic life with long lasting effects |
Precautionary statements
- P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources; No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash hands thoroughly after handling
- 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
- P301 IF SWALLOWED
- P303 IF ON SKIN (or hair)
- P304 IF INHALED
- P305 IF IN EYES
- 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
- P405 Store locked up
- P410 Protect from sunlight
SDS safety rules
Incompatibilities
- Avoid contact with oxidizing agents, Iron, Zinc, Copper, Silver/silver oxides, Cadmium/cadmium oxides, Alcohols, acids, Halogens, Aldehydes.Involves: Oxidizing agents, Iron, Zinc, Copper, Silver, Cadmium, Alcohols, Acids, Halogens, Aldehydes
Storage requirements
- Keep container tightly closed in a dry and well-ventilated place.
Rules extracted from the referenced SDS.
Verified source
- Source
- Official SDS (canonicalized)
- Supplier
- Sigma-Aldrich
- SDS revised
- 2018-07-13
- Last verified
- 2026-07-15
This information is provided for reference purposes only. For critical safety decisions, always consult the official Safety Data Sheet (SDS) and your local regulatory authority. MSDS Chain makes no warranty as to completeness or fitness for a particular purpose.