Pentaerythrityl Tetramyristate
molecular structure · PubChem
AKA: 18641-59-3, Pentaerythritol, Myristic acid, Tetraester with pentaerythritol, Tetradecanoic acid, 2, 2-bis(((1-oxotetradecyl)oxy)methyl)-1, 3-propanediyl ester
Synthetic
Emollient
Skin Conditioner
Not Clean
Tetradecanoic acid, 2,2-bis[(1-oxotetradecyloxy)methyl]-1,3-propanediyl ester
Formula
C61H116O8
Mol. Weight
977.60
CAS #
18641-59-3
Form
Liquid
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
A synthetic ester developed in the mid-20th century as a cosmetic emollient. Designed to provide lightweight moisture and improve the texture of skincare and makeup formulations without the greasiness of natural oils.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️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