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  • beauty
  • cleaning

1-Butoxy-1-oxopropan-2-yl butanoate

CAS 7492-70-8

1-Butoxy-1-oxopropan-2-yl butanoate chemical structure

Concern score

Not assessed — no hazard data yet.

1-Butoxy-1-oxopropan-2-yl butanoate in plain language

What it is

On cosmetic ingredient lists it appears as “Butyl butyrolactate”.

Also known as Butyl butyrolactate · Butyl butyryl lactate · Butyl butyryllactate · (1-butoxy-1-oxopropan-2-yl) butanoate · Butanoic acid, 2-BUTOXY-1-METHYL-2-OXOETHYL ester · Butyl o-butyryllactate

Show all 17 names

Butyric acid, ester with butyl lactate · 1-(Butoxycarbonyl)-ethyl butyrate · 1-Butoxy-1-oxopropan-2-yl butyrate · 2-Butoxy-1-methyl-2-oxoethyl butanoate · Butyryllactic acid · Butyl 2-(Butyryloxy)propionate · Butyl O-Butanoyllactate · Butyl butyryl lactate (natural) · O-Butyryllactic Acid Butyl Ester · UNII-OCR0ONT89C · butanoic acid, 2-butoxy-1- methyl-2-oxoethyl ester

What it does

Used in cosmetics as a fragrance ingredient.

  • Perfuming
  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 1-Butoxy-1-oxopropan-2-yl butanoate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 62 composition records across product categories including Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
    • EPA CPDat observed this chemical in 62 composition records across product categories including Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for 1-Butoxy-1-oxopropan-2-yl butanoate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for 1-Butoxy-1-oxopropan-2-yl butanoate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed 1-Butoxy-1-oxopropan-2-yl butanoate in a product composition. These are source records, not Greenveil catalog products.

Source records

62

Named organisations

6

Cleaning products and household careVehicle

Typical roles

PerfumingFragranceFlavouring
See products using 1-Butoxy-1-oxopropan-2-yl butanoate →