Fragrance

Acetylcedrene

INCI: ACETYLCEDRENE
CAS 32388-55-9 EC 251-020-3
(3R-(3a,3ab,7b,8aa))-1-(2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl)ethan-1-one
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

(3R-(3a,3ab,7b,8aa))-1-(2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl)ethan-1-one

Purpose

Function

Perfuming (woody/amber fragrance note)
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Permitted
Absorptionlow
Sensitizationlow
MoSnot established
NOAEL50 mg/kg
ConcernModerate
Flags
potential-allergenfragrance-componentifra_fragrance
Verdict

EU Annex III restricted allergen with IFRA restrictions; labeling mandatory above concentration thresholds.

US Note

Not restricted by FDA. California's Cosmetic Fragrance and Flavor Ingredient Right to Know Act (2020) requires disclosure at the same EU thresholds

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
32388-55-9
EC Number
251-020-3
INCI
ACETYLCEDRENE
Category
Fragrance
Updated
Apr 2, 2026