Cinnamyl Alcohol
AKA “104-54-1, 3-PHENYL-2-PROPEN-1-OL, cinnamic alcohol, (E)-3-phenylprop-2-en-1-ol, (E)-cinnamyl alcohol, Styryl carbinol, Styrone, 3-Phenylallyl alcohol, Styryl alcohol
Ingredient
Ingredient Facts
Cinnamyl alcohol
AKA: 104-54-1, 3-PHENYL-2-PROPEN-1-OL, Cinnamic alcohol, (E)-3-phenylprop-2-en-1-ol, (E)-cinnamyl alcohol, Styryl carbinol, Styrone, 3-Phenylallyl alcohol, Styryl alcohol
Ingredient · Flavouring · EWG: 3
Synthetic
Fragrance
Safety Concern
Not Clean
Cinnamyl alcohol is a naturally occurring compound that is found within cinnamon. Due to the low levels found in cinnamon, cinnamyl alcohol is usually supplied as [DB14184] within commercial products. Cinnamyl alcohol has been shown to be a skin sensitizer, with a NOEL (No Effect Level) of ~4%. Sensitivity to cinnamyl alcohol may be identified with a clinical patch test.
Solubility FREELY SOL IN ALC, ETHER, OTHER COMMON ORGANIC SOLVENTS; SOL IN WATER, GLYCEROL; CLEARLY SOL IN 3 VOL 50% ALC
Formula
C9H10O
Mol. Weight
134.17
CAS #
104-54-1
Form
Liquid
State
Pellets or Large Crystals
See origin →
Functions
Flavouring
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Adds Flavor
Adds Fragrance
Locks In Moisture
Adds pleasant taste
Adds pleasant scent
Traditional Use
Cinnamyl alcohol is a naturally occurring compound in cinnamon and other aromatic plants, historically used in traditional medicine and perfumery. It is now isolated and used in modern cosmetics primarily as a fragrance ingredient and potential antimicrobial agent.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Allergen Warning
⚠️ EU Fragrance Allergen
EWG
3
CIR
Reviewed by CIR
Pregnancy
Caution
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR