Note: Ingredients listed on restricted chemical lists
EC/CAS
7664-41-7
Name of the chemical
ammonia
Concentration
>= 90 - <= 100
General Information
Version
6.13
Revision date
2026-07-14
Product name
Ammonia
CAS No.
7664-41-7
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H221, H280, H314, H331, H400, H411
Hazard statements
Code
Statements
H221
Flammable gas
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 2 aquatic hazard
Other hazards
Corrosive to the respiratory tract
Signal word
Danger
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. H400 Very toxic to aquatic life. H411 Toxic to aquatic life with long lasting effects.
Prevention
P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P260 Do not breathe gas. P264 Wash skin 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.
Response
P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P363 Wash contaminated clothing before reuse. P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 Eliminate all ignition sources if safe to do so. P391 Collect spillage.
Storage
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.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Flammable gases : Category 2 Gases under pressure : Liquefied gas Acute toxicity : Category 3 (Inhalation) Skin corrosion : Category 1B Serious eye damage : Category 1 Short-term (acute) : Category 1 aquatic hazard Long-term (chronic) : Category 2 aquatic hazard Other hazards Corrosive to the respiratory tract.
