Methyl Myristic Acid
AKA “12-Methyltetradecanoic acid, 5502-94-3, Sarcinic acid, 12-methyl myristic acid, ANTEISOPENTADECANOIC ACID, anteiso-C15:0, 12-methyl-tetradecanoic acid, 12-MTA, anteiso-15:0, CHEBI:39251
Acid
Ingredient Facts
Methyl myristic acid
AKA: 12-Methyltetradecanoic acid, 5502-94-3, Sarcinic acid, 12-methyl myristic acid, ANTEISOPENTADECANOIC ACID, Anteiso-C15:0, 12-methyl-tetradecanoic acid, 12-MTA, Anteiso-15:0, CHEBI:39251
Acid · Skin Protecting · EWG: 4
Synthetic
Barrier Support
Plant Oil
Acid
Not Clean
Tetradecanoic Acid, 12- Methyl
Formula
C15H30O2
Mol. Weight
242.40
CAS #
73679-18-2
Form
Liquid
State
Solid
See origin →
Functions
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
A synthetic fatty acid derivative developed for cosmetic use in the 20th century. Used as an emollient and conditioning agent in skincare and cosmetic products.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR