Acetyl Triethyl Citrate

AKA: 77-89-4, Acetyltriethyl citrate, 1, 2, 3-Propanetricarboxylic acid, Triethyl ester, 2-(Acetyloxy)-1, 3-propanetricarboxylic acid, Triethyl 2-acetoxypropane-1, 3-tricarboxylate
Synthetic
Occlusive
Fragrance
Clean
OriginDerived from citric acid and ethanol, belonging to the ester chemical family. Synthesized through esterification of citric acid with triethyl alcohol under catalytic conditions.
Triethyl 2-acetoxy-1,2,3-propanetricarboxylate
Formula
C14H22O8
Mol. Weight
318.32
CAS #
77-89-4
Form
Liquid
State
Liquid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Plasticiser
Moisturizing
Antimicrobial
Fights Acne
Creates protective layer
Provides scent
Adds flexibility
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Skin Irritant
4 studies / 4 not irritating (CIR 271)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight to moderate (CIR 271)
Mixed Sensitization Results
2 studies / 1 sensitizing / 1 not sensitizing (CIR 271)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2018 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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