2-Butoxyethanol
- Glycol ether solvents
- CAS 111-76-2
- IUPAC: 2-butoxyethan-1-ol
Harmful if swallowed (H302), harmful in contact with skin (H312), and harmful if inhaled (H332). Causes skin irritation (H315) and serious eye irritation (H319). May cause drowsiness or dizziness (H336). Signal word WARNING. H332 is often omitted in consumer SDSs — check SDS Section 3 for CAS 111-76-2 when evaluating finished products.
2-Butoxyethanol (EGBE) is a common solvent in engine degreasers, all-purpose cleaners, and car wash concentrates. It provides excellent grease-cutting performance and water miscibility.
**SDS alert**: Many consumer-grade SDSs underreport this ingredient. Check Section 3 for CAS 111-76-2. H332 (harmful if inhaled) is often omitted in consumer SDSs despite being in the industrial MSDS. If present at >3%, adequate ventilation is required.
## Regulatory status
- Not CA Prop 65 listed
- EU restricted in certain spray applications at concentrations >3% (CLP/REACH)
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
- 3/5
9 products contain this
Adam's Polishes Bug Removerbug-tar-remover
Black Magic Bleche-Wite Tire Cleanertire-cleaner
Chemical Guys Bug & Tar Heavy Duty Car Wash Shampoobug-tar-remover

Chemical Guys Nonsense Colorless & Odorless All Surface CleanerProp 65all-purpose-cleaner
Griot's Garage Ultra-Premium Foaming Glass Cleanerglass-cleaner
Sprayway Sprayway Glass Cleaner Aerosolglass-cleaner
Stoner Tarminator Tar, Sap, and Asphalt Removerbug-tar-remover
Turtle Wax Bug & Tar Remover (T-520A Trigger Spray)bug-tar-remover
Health summaries are editorial — we synthesize from SDSs, peer-reviewed sources, and regulatory listings. Not medical advice.