Agent Name

Ethylene

CAS Number

74-85-1

Formula

C2-H4

Major Category

Toxic Gases & Vapors

Synonyms

Acetene; Athylen [German]; Bicarburretted hydrogen; Elayl; Ethene; Ethylene; Etileno; Liquid ethylene; Olefiant gas; [ChemIDplus] UN1038; UN1962

Category

Simple Asphyxiants

Description

Colorless gas with a faint sweet odor; [Merck Index] Vapor density = 0.978 (lighter than air); [HSDB]

Sources/Uses

Used in oxyethylene welding, chemical manufacturing, fruit ripening; Has been used as a general anesthetic; [Merck Index]

Comments

Inhalation of high concentrations cause CNS depression and anesthesia; [Merck Index] Simple asphyxiant; Inhalation of high concentrations can cause CNS depression; [ICSC]

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Skin Designation (ACGIH)

No

TLV (ACGIH)

200 ppm

Odor Threshold Low

17 ppm

Odor Threshold High

959 ppm

Explanatory Notes

For TLV, See Appendix F: Minimal Oxygen Content; [ACGIH] Detection odor threshold from AIHA (mean = 270 ppm); Flash point = -213 deg F;

Flammability (NFPA)

4: Burns readily

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Other Poison

Simple Asphyxiant

IARC Carcinogen

Not Classifiable

ACGIH Carcinogen

Not Classifiable

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: