Is Petroleum Distillates, Heavy Naphthenic a VOC?

No. Petroleum Distillates, Heavy Naphthenic is not classified as a volatile organic compound (VOC).

Is Petroleum Distillates, Heavy Naphthenic on California's Proposition 65 list?

No. Petroleum Distillates, Heavy Naphthenic is not on California's Proposition 65 list.

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Petroleum Distillates, Heavy Naphthenic

Mineral oils
CAS 64742-52-5

Petroleum Distillates, Heavy Naphthenic (CAS 64742-52-5) appears in 2 of the 1,812 car-care products CarCareTruth tracks (as of June 2026).

Low acute toxicity. Skin contact can cause defatting on prolonged exposure. Aspiration hazard if swallowed in liquid form. Modern hydrotreated grades have substantially reduced PAH content compared to older crude napthenic cuts.

Heavy naphthenic petroleum distillates are high-viscosity base oils used as rubber conditioners in tire dressings and as emollient carriers in some sealants. The hydrotreating process removes most polynuclear aromatic compounds from modern grades.

Health & environment profile

VOC: no
Prop 65 listed: no
Asthmagen: no
EPA Safer Choice: no
Aquatic toxicity: no
Biodegradable: no
Bioaccumulative: no
Persistent: yes
Ozone depleting: no
Microplastic: no
PFAS: no
Env. score: 2/5

Purpose: High-viscosity naphthenic base oil — used in tire dressings, rubber conditioners, and some lubricants as an emollient that softens and conditions rubber surfaces

Common questions about Petroleum Distillates, Heavy Naphthenic

What is Petroleum Distillates, Heavy Naphthenic used for in car care?: High-viscosity naphthenic base oil — used in tire dressings, rubber conditioners, and some lubricants as an emollient that softens and conditions rubber surfaces
Is Petroleum Distillates, Heavy Naphthenic a VOC?: No. Petroleum Distillates, Heavy Naphthenic is not classified as a volatile organic compound (VOC).
Is Petroleum Distillates, Heavy Naphthenic on California's Proposition 65 list?: No. Petroleum Distillates, Heavy Naphthenic is not on California's Proposition 65 list.

2 products contain this

Tri-Flow Superior Lubricant (Aerosol, 6 oz)
multi-purpose-lubricant
Prop 65
Turtle Wax Wet 'N Black Ultra Wet Tire Shine
tire-dressing
Prop 65

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.