Caprylyl Butyrate
molecular structure · PubChem
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
Plant Oil
Clean
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
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
Traditional Use
A synthetic ester developed as a cosmetic emollient in late 20th-century formulations. Created to provide light texture and volatility control in skincare and fragrance products.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR