Triphenyl Phosphate
AKA “115-86-6, Triphenylphosphate, Phosphoric acid, triphenyl ester, Disflamoll TP, Celluflex TPP, Phosflex TPP, Triphenoxyphosphine oxide, Trifenylfosfat, Phenyl phosphate ((PhO)3PO)”
Ingredient
Ingredient Facts
Triphenyl phosphate
AKA: 115-86-6, Triphenylphosphate, Phosphoric acid, Triphenyl ester, Disflamoll TP, Celluflex TPP, Phosflex TPP, Triphenoxyphosphine oxide, Trifenylfosfat, Phenyl phosphate ((PhO)3PO)
Ingredient · Plasticiser · EWG: 5
Synthetic
Not Clean
Phosphoric acid, triphenyl ester
Solubility Insoluble (NTP, 1992)
Formula
C18H15O4P
Mol. Weight
326.30
CAS #
115-86-6
Form
Powder
State
Triphenyl phosphate appears as colorless crystals. (NTP, 1992)
See origin →
Functions
Plasticiser
Antioxidant
Wound Healing
Antimicrobial
Adds flexibility
Traditional Use
A synthetic organic compound developed in the early 20th century for industrial use. In cosmetics, used as a solvent and plasticizer in nail polishes and certain color cosmetics.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
5
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
5.0%
0%7%
Reg. Limit
EU/SCCS limit: 5% in nail. Opinion: SCCS/1664/24
Regulatory Agencies
Safety Assessment of Phosphoric Acid and Its Salts as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Triphenyl Phosphate as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Metaphosphoric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Phosphoric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Triphenyl Phosphate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Phosphoric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Triphenyl Phosphate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR