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
Ingredient
Ingredient Facts
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
Ingredient · Perfuming · EWG: 1
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
See origin →
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.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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%
Effective Range
CIR reported use: 4-7 | .0015-8.9 | .8-7
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of Acetyl Triethyl Citrate, Acetyl Tributyl Citrate, Acetyl Trihexyl Citrate, and Acetyl Trioctyl Citrate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Acetyl Tributyl Citrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Acetyl Tributyl Citrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
The mechanisms of environmental pollutant acetyl tributyl citrate induced oral squamous cell carcinoma using network toxicology, molecular docking and
Guo Y, Liu Y, Chen Y, Du S, Zheng Y et al.
International journal of surgery (London, England), 2025
The mechanisms of environmental pollutant acetyl tributyl citrate induced oral squamous cell carcinoma using network toxicology, molecular docking and
Guo Y, Liu Y, Chen Y, Du S, Zheng Y et al.
International journal of surgery (London, England), 2025
Final report on the safety assessment of acetyl triethyl citrate, acetyl tributyl citrate, acetyl trihexyl citrate, and acetyl trioctyl citrate.
Johnson W Jr
International journal of toxicology, 2002
Final report on the safety assessment of acetyl triethyl citrate, acetyl tributyl citrate, acetyl trihexyl citrate, and acetyl trioctyl citrate.
Johnson W Jr
International journal of toxicology, 2002
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR