Propane / n-Butane Blend
- Other solvents
- CAS 68476-85-7
Propane / n-Butane Blend (CAS 68476-85-7) appears in 4 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is classified as a VOC.
Extremely flammable gas (H220). Simple asphyxiant at high concentration. Practical use risk is low; misuse (huffing) is the documented harm.
A propane/n-butane blend is the most common consumer aerosol propellant. Functionally identical to the broader "hydrocarbon propellant" designation but written explicitly when the SDS lists the blend rather than the generic class.
Health & environment profile
- VOC
- yes
- Prop 65 listed
- no
- Asthmagen
- no
- EPA Safer Choice
- no
- Aquatic toxicity
- no
- Biodegradable
- no
- Bioaccumulative
- no
- Persistent
- no
- Ozone depleting
- no
- Microplastic
- no
- PFAS
- no
- Env. score
- 2/5
Common questions about Propane / n-Butane Blend
- What is Propane / n-Butane Blend used for in car care?
- Aerosol propellant blend of propane and n-butane; provides the pressure that delivers the active formulation in spray cans
- Is Propane / n-Butane Blend a VOC?
- Yes. Propane / n-Butane Blend is classified as a volatile organic compound (VOC).
- Is Propane / n-Butane Blend on California's Proposition 65 list?
- No. Propane / n-Butane Blend is not on California's Proposition 65 list.
4 products contain this
Dakota Odor Bomb Car Odor Eliminator · Lemon (5 oz)odor-eliminator
Fluid Film NAS Aerosol Penetrant & Lubricantpenetrating-oil
Goof-Off Pro Strength Overspray Removeroverspray-remover
Permatex 81849 Rust TreatmentProp 65rust-converter
Related
Health and environment notes translate the manufacturer Safety Data Sheet, the GHS classification, and authoritative regulatory listings (California Prop 65, EPA). Not medical advice. They describe the ingredient itself; whether a hazard applies to a finished product depends on its concentration and how it's used.