Nonflammable Gas Mixture: Hydrogen Sulfide / Nitrogen / Propane

Airgas USA, LLC

Revision date : 2026-04-30

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GHS07 GHS04
Health risk rating 3
Safety risk rating 4
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

7727-37-9

Name of the chemical

Nitrogen N2

Concentration

95.51-98.22

General Information

Version

0.01

Revision date

2026-04-30

Product name

Nonflammable Gas Mixture: Hydrogen Sulfide / Nitrogen / Propane

supplier name

Airgas USA, LLC

Icons in SDS

GHS04 GHS07 M004 M008 M009 M010 M011 M017 T016 T020

Company Information

company name

Airgas USA, LLC

GHS Information

Signal word

Warning

Hazard Codes

Hazard statements (CLP)

H280, H332, H335, H402

Hazard statements

Code

Statements

H280

Contains gas under pressure; may explode if heated

Section 2

SECTION 2: Hazards identification

Signal word

Warning

Hazard statements

H280 - Contains gas under pressure; may explode if heated. H332 - Harmful if inhaled. H335 - May cause respiratory irritation. H402 - Harmful to aquatic life. May displace oxygen and cause rapid suffocation.

Precautionary statements

General : Read and follow all Safety Data Sheets (SDS) before use. Read label before use. Keep out of reach of children. If medical advice is needed, have product container or label at hand. Close valve after each use and when empty. Use equipment rated for cylinder pressure. Do not open valve until connected to equipment prepared for use. Use a back flow preventative device in the piping. Use only equipment of compatible materials of construction. Do not depend on odor to detect presence of gas.

Prevention

P271 - Use only outdoors or in a well-ventilated area. P273 - Avoid release to the environment. P261 - Avoid breathing gas.

Response

P304 + P340, P312 - IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor if you feel unwell.

Disposal

P501 - Dispose of contents and container in accordance with all local, regional, national and international regulations.

2.3 Other hazards

In addition to any other important health or physical hazards, this product may displace oxygen and cause rapid suffocation. Hazards identified when used : No known significant effects or critical hazards.

2.1 Classification of the substance or mixture

ACUTE TOXICITY (inhalation) - Category 4 SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3 AQUATIC HAZARD (ACUTE) - Category 3

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