Agent Name

Nitrogen

CAS Number

7727-37-9

Formula

N2

Major Category

Toxic Gases & Vapors

Synonyms

N2; Azote [French]; MOL Nitrogen; Nitrogen; Nitrogen gas; Nitrogen-14; Nitrogeno [Spanish]; [ChemIDplus] UN1066; UN1977;

Category

Simple Asphyxiants

Description

Odorless gas; [Merck Index] Vapor density = approximately the same as air; [HSDB]

Sources/Uses

Used as an inert purge gas in the food, chemical, and metallurgical industries; [ACGIH] Divers, caisson workers, miners, metallurgists, and workers pressurizing oil wells may be exposed to high concentrations; [LaDou, p. 559]

Comments

A simple asphyxiant; liquid nitrogen can cause frostbite; [ACGIH]

Exposure Assessment
Explanatory Notes

See Appendix F: Minimal Oxygen Content. [TLVs and BEIs]

Adverse Effects
Other Poison

Simple Asphyxiant

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: