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Dimyristyl Phosphate
AKA “1-Tetradecanol, hydrogen phosphate, Ditetradecyl hydrogen phosphate, Ditetradecyl phosphate, 6640-03-5, P9CFW1UH96, MEXORYL SY, NSC-12428, 1-(hydrogen phosphate), DTXSID3064437”
Surfactant
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Ingredient Facts
Dimyristyl phosphate
AKA: 1-Tetradecanol, Hydrogen phosphate, Ditetradecyl hydrogen phosphate, Ditetradecyl phosphate, 6640-03-5, P9CFW1UH96, MEXORYL SY, NSC-12428, 1-(hydrogen phosphate), DTXSID3064437
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Ditetradecyl hydrogen phosphate
Formula
C28H59O4P
Mol. Weight
490.70
CAS #
6640-03-5
Form
Powder
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Cleansing Surfactant
Emulsifier
Mixes Oil & Water
Traditional Use
A synthetic phosphate ester developed for cosmetics. Serves as an emollient and skin conditioning agent; no historical traditional use exists.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR