Note: Ingredients listed on restricted chemical lists
EC/CAS
7664-41-7
Name of the chemical
Ammonia
Concentration
<0.4%
General Information
Revision date
2026-07-07
Product name
Anhydrous Ammonia
1.2.2. Uses advised against
None
Icons in SDS
Company Information
company name
United States Steel Corporation
e-mail address of the competent person responsible for the Safety Data Sheet
SDSHelp@USS.com
GHS Information
Signal word
and Precautionary Statement(s) for Anhydrous Ammonia as Supplied
Hazard Codes
Hazard statements (CLP)
H221, H280, H314, H331
Hazard statements
Code
Statements
H221
Flammable gas
Section 2
SECTION 2: Hazards identification
Signal word
and Precautionary Statement(s) for Anhydrous Ammonia as Supplied: Hazard Signal Hazard Classification Hazard Statement(s) Symbol Word Flammable Gasses – Category 2 Gases Under Pressure (Liquefied gas) Flammable gas Contains gas under pressure; may explode when heated Skin Corrosion / Irritation – Category 1B Causes severe skin burns and serious eye damage DANGER Serious Eye Damage / Irritation - Category 1 Corrosive to the respiratory tract Toxic if inhaled Acute Toxicity, Inhalation – Category 3
Response
Storage/Disposal If inhaled: Remove person to fresh air and keep comfortable for Do not breathe gas/mist/vapors or spray. breathing. Immediately call a poison center or doctor/physician. Use only outdoors or in a well-ventilated area. Store locked up. If in eyes: Immediately call a poison center or doctor/physician. Rinse Wear protective gloves / protective clothing / Store in a well-ventilated place. cautiously with water for a minimum of 20 minutes. Remove contact eye protection / face protection. lenses, if present and easy to do. Continue rinsing. Keep container tightly closed. Wash thoroughly after handling. Protect from sunlight. If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. Wash contaminated clothing before Keep away from heat, hot surfaces, sparks, Dispose of contents in accordance reuse. open flames and other ignition sources. with federal, state and local regulations. No smoking. If swallowed: Rinse mouth. Do NOT induce vomiting. Immediately call a poison center or doctor/physician. Section 2 – Hazard(s) Identification (continued) 2(b)(ii) Hazard Classification, Signal Word, Hazard Statement(s), Symbols and Precautionary Statement(s) for Anhydrous Ammonia under reasonably anticipated conditions of use and/ or change in physical form. Same hazard information as in 2(b)(i) above. Created by Chemical Reaction Anhydrous Ammonia can react violently and explosively with oxidizing gases, hypochlorites, acids, reducing agents, silver and mercury.
2.3 Other hazards
Anhydrous Ammonia may displace oxygen and cause rapid suffocation 2(e) Unknown Acute Toxicity Statement (mixture): None Known
2.1 Classification of the substance or mixture
Hazard Statement(s) Symbol Word Flammable Gasses – Category 2 Gases Under Pressure (Liquefied gas) Flammable gas. Contains gas under pressure; may explode when heated. Skin Corrosion / Irritation – Category 1B Causes severe skin burns and serious eye damage. DANGER Serious Eye Damage / Irritation - Category 1 Corrosive to the respiratory tract. Toxic if inhaled. Acute Toxicity, Inhalation – Category 3