# 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).

**Chemicals:** Ammonia (CAS 7664-41-7)

**GHS signal word:** Danger

**Concentration (this SDS record):** 90 - 100 %

## GHS hazard statements

- **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

- (incompatibility) Avoid contact with oxidizing agents, Iron, Zinc, Copper, Silver/silver oxides, Cadmium/cadmium oxides, Alcohols, acids, Halogens, Aldehydes.
  - Incompatible with: Oxidizing agents, Iron, Zinc, Copper, Silver, Cadmium, Alcohols, Acids, Halogens, Aldehydes
- (storage) Keep container tightly closed in a dry and well-ventilated place.

## Source

- Source type: canonical
- Supplier: Sigma-Aldrich
- SDS version: 3.15
- SDS revision date: 2018-07-13
- Last verified by MSDS Chain: 2026-07-15

Canonical page: https://safety.msdschain.lagentbot.com/ammonia-ghs-hazards/

_Published by MSDS Chain (msdschain.lagentbot.com). Reference information, not a substitute for the manufacturer SDS or professional EHS judgement._