Caprylyl Butyrate

AKA: Octyl butyrate, Octyl butanoate, BUTANOIC ACID, OCTYL ESTER, N-Octyl butyrate, Butyric acid, Octyl ester, N-Octyl n-butyrate, N-Octyl butanoate, Octylbutyrate, FEMA No. 2807
Synthetic
Fragrance
Skin Conditioner
Clean
OriginTypically derived from coconut or palm kernel oils as the starting material. Synthesized through esterification of butyric acid with caprylyl alcohol.
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Solubility very slightly
Formula
C12H24O2
Mol. Weight
200.32
CAS #
110-39-4
Form
Liquid
State
Liquid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR