SDS Vault Safety Data Sheet Reference

Ammonia Solution (Aqueous)

CAS: 1336-21-6 Category: Cleaners ⚠ DANGER
Also known as: Ammonium hydroxide, Ammonia water, Aqua ammonia, Household ammonia

Quick Facts

CAS Number1336-21-6
Signal WordDANGER
GHS Hazard Classescorrosive, toxic, environmental
NFPA RatingHealth: 3 / Flammability: 1 / Reactivity: 0
Common NamesAmmonium hydroxide, Ammonia water, Aqua ammonia, Household ammonia
PubChem CID14923

Hazard Summary

⚠ DANGER: Pungent alkaline gas dissolved in water. NEVER mix with bleach — produces toxic chloramines. Strong respiratory irritant. Highly toxic to aquatic organisms.

GHS Hazard Pictograms

⚗ Corrosive ☠ Acutely Toxic 🌊 Environmental

Hazard Statements (H-codes)

H290 – May be corrosive to metals
H314 – Causes skin burns and eye damage
H335 – May cause respiratory irritation
H400 – Very toxic to aquatic life

Precautionary Statements (P-codes)

P260 – Do not breathe vapours
P273 – Avoid release to environment
P305+P351+P338 – IF IN EYES: Rinse with water for 15 min
P310 – Immediately call Poison Control

First Aid Measures (Section 4)

👁 Eye Contact
Flush immediately with water for at least 15 minutes. Seek immediate medical attention — ammonia causes serious chemical burns.
🖐 Skin Contact
Wash immediately with water for 15 minutes. Remove contaminated clothing. Seek medical attention for burns.
🫁 Inhalation
Move to fresh air immediately. High concentrations cause pulmonary edema — seek emergency care. Avoid re-entering area without SCBA.
🫦 Ingestion
Rinse mouth. Give water if conscious. Call Poison Control (1-800-222-1222). Do not induce vomiting.

Storage & Handling

🔒 Storage & Handling: Store in well-ventilated area, away from acids and oxidizers (especially bleach). Use in areas with good ventilation.

PPE Requirements

Chemical splash goggles
Face shield
Nitrile or neoprene gloves
Acid-gas respirator
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