No. Vanillin is not classified as a volatile organic compound (VOC).

Is Vanillin on California's Proposition 65 list?

No. Vanillin is not on California's Proposition 65 list.

Is Vanillin biodegradable?

Yes. Vanillin has a confirmed biodegradable profile.

CarCareTruth.com Products · Ranked

Vanillin

Fragrances
CAS 121-33-5
IUPAC: 4-Hydroxy-3-methoxybenzaldehyde

Vanillin (CAS 121-33-5) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is readily biodegradable.

Very low health concern. Vanillin is one of the most studied fragrance compounds and is GRAS (Generally Recognized As Safe) for food use. At the trace concentrations used in car care products it poses negligible risk. Potential sensitizer in rare individuals with extreme fragrance sensitivity.

Vanillin is the primary aromatic compound in vanilla beans and is produced both naturally (from vanilla pods) and synthetically (from guaiacol). It is used as a fragrance additive in car care products at very low concentrations.

Vanillin has an excellent safety and environmental profile: readily biodegradable, low aquatic toxicity, no persistence or bioaccumulation, and decades of safe use in food and cosmetics. It is one of the least concerning fragrance ingredients that appears in car care formulations.

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: Fragrance — vanilla scent note

Common questions about Vanillin

What is Vanillin used for in car care?: Fragrance — vanilla scent note
Is Vanillin a VOC?: No. Vanillin is not classified as a volatile organic compound (VOC).
Is Vanillin on California's Proposition 65 list?: No. Vanillin is not on California's Proposition 65 list.
Is Vanillin biodegradable?: Yes. Vanillin has a confirmed biodegradable profile.

1 product contain this

Adam's Polishes Odor Neutralizer
odor-eliminator

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.