1,10-Decanediol

AKA: 112-47-0, Decamethylene glycol, Decamethylenediol, 10-Dihydroxydecane, 10-Decamethylenediol, Alpha, Omega-Decanediol, SPEZIOL C 10/2

Synthetic

Solvent

Clean

1,10-Decanediol has been reported in Perilla frutescens with data available.

Formula

C10H22O2

Mol. Weight

174.28

CAS #

112-47-0

Form

Liquid

State

Solid; [Merck Index] White solid; [Sigma-Aldrich MSDS]

Functions

Solvent

Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.

Strengthens Barrier

Antioxidant

Moisturizing

Dissolves other ingredients

Traditional Use

A synthetic humectant and preservative booster developed in the 20th century for cosmetic formulations. Created to provide enhanced hydration and preservation benefits beyond what traditional plant-based moisturizers could offer.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

ewg-1

medical-approval

pregnancy-nursing-safe

all-shades-safe

Moderate Irritant

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types, gentle

Best For

Dehydration

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR