Tripelargonin

AKA: Trinonanoin, 126-53-4, Tripelargoin, Glycerol tripelargonate, GLYCERYL TRIPELARGONATE, Nonanoic acid, 1, 2, 3-propanetriyl ester

Synthetic

Emollient

Skin Conditioner

Not Clean

Glycerol tripelargonate,Trinonanoin

Formula

C30H56O6

Mol. Weight

512.80

CAS #

126-53-4

Form

Liquid

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

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 triglyceride ester developed for cosmetics as a lightweight emollient. Used in modern formulations to improve skin feel and product texture.

EWG

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

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

Final report of the Cosmetic Ingredient Review Expert Panel on the safety assessment of Pelargonic Acid (nonanoic acid) and nonanoate esters

Cosmetic Ingredient Review (CIR) Expert Panel

International Journal of Toxicology

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Final report of the Cosmetic Ingredient Review Expert Panel on the safety assessment of pelargonic acid (nonanoic acid) and nonanoate esters.

Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Klaassen CD et al.

International journal of toxicology, 2011

→

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR