← Back to all waters
Isobutane
A branched alkane hydrocarbon used primarily as a propellant in aerosol cleaning products. Classified as a flammable gas with low acute toxicity but potential inhalation hazard at high concentrations.
Mineral or nutrientUpdated Feb 14, 2026
Health score+1.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Flammability, asphyxiation risk in confined spaces, mild respiratory irritation at high concentrations
Benefits
Effective propellant for aerosol products, low toxicity under normal use concentrations