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1-Methoxy-2-propanol

  • Glycol ether solvents
  • CAS 107-98-2
  • IUPAC: 1-methoxypropan-2-ol

1-Methoxy-2-propanol (CAS 107-98-2) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is classified as a VOC.

No acute toxicity H-codes at product concentration. Carries H226 (flammable liquid Cat 3) and H336 (drowsiness/dizziness) at ingredient level. No H301/H311/H331 — significantly safer solvent profile than methanol. Workplace exposure limits established.

1-Methoxy-2-propanol (CAS 107-98-2), also known as propylene glycol methyl ether (PGME) or 1-methoxypropan-2-ol, is a glycol ether solvent used in cleaning, coating, and personal care formulations. It provides solvency for organic soils and aids spreading in aqueous systems.

At ingredient level it carries H226 (flammable liquid, Cat 3) and H336 (vapours may cause drowsiness or dizziness, Cat 3 STOT-SE). Aquatic toxicity is very low (LC50 fish >6,800 mg/L, EC50 daphnia 23,300 mg/L). Readily biodegradable at 90–100% (OECD 301E). No Prop 65 listing, no asthmagen concern, no PFAS.

At typical consumer-product working-solution concentrations (well below 1%), the VOC contribution is negligible and H226/H336 hazards do not apply to end-use scenarios.

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 solvent for solvency and spreading in aqueous cleaning formulas

Common questions about 1-Methoxy-2-propanol

What is 1-Methoxy-2-propanol used for in car care?
Glycol ether solvent for solvency and spreading in aqueous cleaning formulas
Is 1-Methoxy-2-propanol a VOC?
Yes. 1-Methoxy-2-propanol is classified as a volatile organic compound (VOC).
Is 1-Methoxy-2-propanol on California's Proposition 65 list?
No. 1-Methoxy-2-propanol is not on California's Proposition 65 list.
Is 1-Methoxy-2-propanol biodegradable?
Yes. 1-Methoxy-2-propanol 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.