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CarCareTruthProducts · Ranked

Palmitoleic Acid

  • Base oils
  • CAS 2091-29-4
  • IUPAC: (9Z)-hexadec-9-enoic acid

Palmitoleic Acid (CAS 2091-29-4) appears in 3 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is readily biodegradable.

Natural fatty acid with favorable safety profile. Not classified as hazardous under GHS. Found in human sebum and widely used in cosmetics. No Prop 65 listing.

Palmitoleic acid (CAS 2091-29-4) is a naturally occurring omega-7 monounsaturated fatty acid present in sea buckthorn oil, macadamia nut oil, and animal fats. In leather conditioners, it provides emollient properties and contributes to the conditioning film that restores suppleness to dried leather surfaces.

The compound is readily biodegradable with no significant environmental concerns at product-use concentrations. It is naturally found in human sebum and is widely used in cosmetics and personal care products with an excellent safety record.

Health & environment profile

VOC
no
Prop 65 listed
no
Asthmagen
no
EPA Safer Choice
no
Aquatic toxicity
no
Biodegradable
yes
Bioaccumulative
no
Persistent
no
Ozone depleting
no
Microplastic
no
PFAS
no
Env. score
5/5
Purpose: Natural monounsaturated fatty acid; emollient and skin-conditioning agent in leather care formulas

Common questions about Palmitoleic Acid

What is Palmitoleic Acid used for in car care?
Natural monounsaturated fatty acid; emollient and skin-conditioning agent in leather care formulas
Is Palmitoleic Acid a VOC?
No. Palmitoleic Acid is not classified as a volatile organic compound (VOC).
Is Palmitoleic Acid on California's Proposition 65 list?
No. Palmitoleic Acid is not on California's Proposition 65 list.
Is Palmitoleic Acid biodegradable?
Yes. Palmitoleic Acid has a confirmed biodegradable profile.

3 products contain this

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.