Acetyl Tributyl Citrate

AKA: 77-90-7, Tributyl 2-acetoxypropane-1, 2, 3-tricarboxylate, Acetyltributyl citrate, Tributyl acetylcitrate, Citroflex A, Blo-trol, Citroflex A 4, Tributyl citrate acetate, ATBC
Synthetic
Fragrance
Chemical Exfoliant
Clean
Tributyl 2-acetoxy-1,2,3-propanetricarboxylate
Effective at 9.5%
Solubility In water, 5 mg/L, temp not specified
Formula
C20H34O8
Mol. Weight
402.50
CAS #
77-90-7
Form
Liquid
State
Other Solid; Liquid; Pellets or Large Crystals
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Plasticiser
Antioxidant
Anti-Inflammatory
Moisturizing
Provides scent
Adds flexibility
Traditional Use
A synthetic ester developed in the mid-20th century for use as a plasticizer and cosmetic solvent. Created to replace phthalate-based plasticizers due to safety concerns.
EWG
1
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
4.0%
15.0%
0%21%
Reported use
CIR reported use: 4-7 | .0015-8.9 | .8-7
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR