Anhydrous Ammonia

United States Steel Corporation

Revision date : 2026-07-07

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GHS04 GHS06 GHS05
Health risk rating 4
Safety risk rating 4
Environmental risk rating 1

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

GHS04 GHS05 GHS06 M004 M009 M010 M011 M017

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

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