n-Propylbenzene
- Aromatic solvents
- CAS 103-65-1
- IUPAC: (Propyl)benzene
n-Propylbenzene (CAS 103-65-1) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is classified as a VOC.
n-Propylbenzene is a minor aromatic constituent of light aromatic solvent naphtha. It is not on California's Prop 65 list and is not classified as a carcinogen, asthmagen, or reproductive toxicant. At the low fuel-additive carrier concentrations (1-3%) where it appears, no GHS health hazard classification applies to the finished product.
n-Propylbenzene is a C3-substituted aromatic hydrocarbon present as a minor fraction in light aromatic solvent naphtha blends. It contributes to the VOC load of fuel additive concentrates. No GHS health H-codes at typical fuel-additive carrier concentrations (1–3%). CAS 103-65-1.
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
Common questions about n-Propylbenzene
- What is n-Propylbenzene used for in car care?
- Aromatic co-solvent in petroleum-derived fuel additives
- Is n-Propylbenzene a VOC?
- Yes. n-Propylbenzene is classified as a volatile organic compound (VOC).
- Is n-Propylbenzene on California's Proposition 65 list?
- No. n-Propylbenzene is not on California's Proposition 65 list.
1 product contain this
Hot Shot's Secret Gasoline Extreme (GE16Z)Prop 65fuel-system-cleaner
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.