Agent Name

Propadiene

CAS Number

463-49-0

Formula

C3-H4

Major Category

Toxic Gases & Vapors

Synonyms

1,2-Propadiene; Allene; Dimethylenemethane; Sym-allylene; UN2200; [ChemIDplus]

Category

Simple Asphyxiants

Description

Colorless gas; [HSDB]

Sources/Uses

Used as a chemical intermediate, a fuel gas for welding when mixed with propyne, and a monomer; [HSDB]

Comments

Inhaling high concentrations can cause lightheadedness and syncope; [NJ-HSFS] Liquefied gas may cause frostbite. A simple asphyxiant; [CAMEO] Propadiene, stabilized (UN2200) has warning of explosive polymerization; [ERG 2016]

Exposure Assessment
Vapor Pressure

5430 mm Hg

Explosive Polymerization

Yes

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

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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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: