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CarCareTruthProducts · Ranked

Butoxypropan-1-ol

  • Glycol ether solvents
  • CAS 29387-86-8
  • IUPAC: 1-butoxypropan-1-ol

Butoxypropan-1-ol (CAS 29387-86-8) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is classified as a VOC.

H315 (skin irritation Cat 2) and H319 (eye irritation Cat 2) at ingredient level per SDS §3. LD50 oral rat >3000 mg/kg — low acute oral toxicity. Not classified as harmful by inhalation. Not Prop 65 listed. Not an asthmagen.

Butoxypropan-1-ol (CAS 29387-86-8) is a propylene-glycol-series ether used as a co-solvent in cleaning formulations. It acts alongside surfactants to improve soil penetration and rinse performance at low concentrations (3–5% typical in snow foam/shampoo products). At product concentrations, it classifies as a mild skin and eye irritant (H315, H319) at ingredient level, with low acute systemic toxicity.

Health & environment profile

VOC
yes
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
4/5
Purpose: Glycol ether co-solvent in cleaning formulas; improves soil penetration and water miscibility

Common questions about Butoxypropan-1-ol

What is Butoxypropan-1-ol used for in car care?
Glycol ether co-solvent in cleaning formulas; improves soil penetration and water miscibility
Is Butoxypropan-1-ol a VOC?
Yes. Butoxypropan-1-ol is classified as a volatile organic compound (VOC).
Is Butoxypropan-1-ol on California's Proposition 65 list?
No. Butoxypropan-1-ol is not on California's Proposition 65 list.
Is Butoxypropan-1-ol biodegradable?
Yes. Butoxypropan-1-ol has a confirmed biodegradable profile.

1 product 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.