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1-Propoxypropan-2-ol

  • Glycol ether solvents
  • CAS 1569-01-3
  • IUPAC: 1-(propan-2-yloxy)propan-2-ol

1-Propoxypropan-2-ol (CAS 1569-01-3) appears in 1 of the 2,122 car-care products CarCareTruth tracks (as of August 2026). It is classified as a VOC.

At pure-substance level this propylene glycol ether is classified H319 (causes serious eye irritation) and H336 (may cause drowsiness or dizziness). It is not on California's Prop 65 list and is not classified as a carcinogen, asthmagen, or reproductive toxicant. Propylene glycol ethers are generally considered lower-toxicity than the ethylene glycol ether family.

1-Propoxypropan-2-ol (also known as propylene glycol monopropyl ether, PGPE) is a glycol ether solvent used as a co-solvent in cleaning formulations. It aids in wetting surfaces and dissolving grease. Classified as Flam. Liq. 3 (H226), Eye Irrit. 2 (H319), and STOT SE 3 (H336 — may cause drowsiness or dizziness) at pure substance level. Readily biodegradable (64% in 20 days by BOD). Not classified as an aquatic toxicant. Commonly found in automotive degreasers and all-purpose cleaners at 1–5%.

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
5/5
Purpose: Glycol ether co-solvent — aids wetting, penetration, and grease dissolution in cleaning formulations

Common questions about 1-Propoxypropan-2-ol

What is 1-Propoxypropan-2-ol used for in car care?
Glycol ether co-solvent — aids wetting, penetration, and grease dissolution in cleaning formulations
Is 1-Propoxypropan-2-ol a VOC?
Yes. 1-Propoxypropan-2-ol is classified as a volatile organic compound (VOC).
Is 1-Propoxypropan-2-ol on California's Proposition 65 list?
No. 1-Propoxypropan-2-ol is not on California's Proposition 65 list.
Is 1-Propoxypropan-2-ol biodegradable?
Yes. 1-Propoxypropan-2-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.