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Diisononyl Ether
AKA “Isononane, oxybis-, Nikkol dine, 101462-48-0, Diisononyl ether [INCI], UNII-2M7Z6ZJ74T, 2M7Z6ZJ74T, DTXSID60883093, RefChem:134051, DTXCID801022673”
Humectant
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Ingredient Facts
Diisononyl ether
AKA: Isononane, Oxybis-, Nikkol dine, 101462-48-0, Diisononyl ether [INCI], UNII-2M7Z6ZJ74T, 2M7Z6ZJ74T, DTXSID60883093, RefChem:134051, DTXCID801022673
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Not Clean
Diisononyl Ether is a cosmetic ingredient used as humectant. Also known as Isononane. Assessed as safe by the CIR.
Formula
C18H38O
Mol. Weight
270.50
CAS #
-
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
Traditional Use
Synthetic solvent and humectant developed for cosmetic use. Created to improve ingredient solubility and product feel in formulations.
Skin Types
●all-skin-types
Best For
General
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