murphyUndecane
AKA: N-UNDECANE, 1120-21-4, Hendecane, CHEBI:46342
Everyday Radiance Essentials
Bloom Effects
Golden Hour Dry Oil
Ursa Major
Color Haze
ILIA Beauty
Bronzing Drops
Indie Lee
Revealer Concealer
Kosas
Revealer Skin-Improving Foundation SPF 25
Kosas
Eyeshadow Last Call
MOB Beauty
Radiance Reset
Bloom Effects
Refreshing Water Mist
COOLA
Hydra Restore Eye Serum
Grown Alchemist
Glow I.V.
Kosas
Revealer Extra Bright
Kosas
Bio-Shield Face Oil - 4ML
– Tata Harper Skincare
Tata Harper Skincare
Crème Riche & Retinoic Nutrient Face Oil
Tata Harper Skincare
Retinoic Nutrient Face Oil - 4ML
Tata Harper Skincare
Retinoic Nutrient Face Oil - 4ML
– Tata Harper Skincare
Tata Harper Skincare
Retinoic Nutrient Face Oil
Tata Harper Skincare
Golden Hour Dry Oil
Ursa Major
Sunlit Essentials Set
Indie Lee
Tulip Dew Drops
Bloom Effects
Synthetic
Emollient
Clean
OriginDerived from petroleum-based hydrocarbons or synthesized from natural gas feedstocks through chemical processing. Produced via catalytic hydrogenation and isomerization of longer-chain alkanes to create the eleven-carbon straight-chain hydrocarbon.
Undecane has been reported in Camellia sinensis, Aristolochia triangularis, and other organisms with data available.
Solubility In water, 0.014 mg/L at 25 deg (critical evaluation of all available data)
Formula
C11H24
Mol. Weight
156.31
CAS #
1120-21-4
Form
Oil
State
Undecane appears as a colorless liquid. Insoluble in water and less dense than water. Used to make other chemicals.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Conditions Skin
Softens & Smooths
Smooths and softens skin
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR