Also known as: FEMA No. 3659, 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one, 4-(2,6,6-Trimethyl-2-cyclohexenyl)-2-buten-4-one, UNII-UP5JTZ982I
INCI: ALPHA-DAMASCONE
Alpha-Damascone (CAS 43052-87-5) is a cosmetic cosmetic ingredient functioning as Perfuming — rose/fruity ketone fragrance. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and food safety data.
US NotesPermitted with IFRA restrictions. Category 1 (lip products applied to lips/toys) prohibited; Categories 2–11 have specific concentration limits.
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Alpha-Damascone.
Calculate MoS for your specific formulation with the
MoS Calculator.
Sensitization AOP Dashboard
Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.
NESIL
133 µg/cm²
GHS: 1BHuman: positive
Source: HPPT: [568] RIFM (1985): RIFM report number 15416, July 29, unpublished.
HRIPT Human Patch Test Studies
5 human repeat insult patch tests aggregated from dermatological literature.
Test Type
N
Sensitized
Dose µg/cm²
NESIL µg/cm²
Potency
HMT
-
0
135
-
-
HRIPT
-
0
133
-
-
HRIPT
-
0
500
-
-
HRIPT
-
0
-
-
-
HRIPT
-
0
-
-
-
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Regulatory (2)
JECFA Number
385
Source: WHO/JECFA
JECFA Evaluation
alpha-DAMASCONE | 2002 | No safety concern at current levels of intake when used as a flavouring agen | Secondary components do not raise a safety concern | TRS 913-JECFA 59/111 | FAS 42-JECFA 51/335 (1998)
Source: WHO/JECFA
Function Categories & List Membership
Cosmetic/Chemical Function Categories
DeodorizerFlavouring and nutrientFragrance
Regulatory List Membership (3)
IFRA Fragrance Transparency ListFDA Substances Added to Food (EAFUS)Consumer Product Chemical
Expert Verdict
Expert safety assessment and concern-level summary for Alpha-Damascone.
Alpha-Damascone has a safety rating of "MODERATE" in our database. EU status: restricted. US status: restricted.
Is Alpha-Damascone allowed in the EU?
Alpha-Damascone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Alpha-Damascone do in cosmetics?
Alpha-Damascone functions as: Perfuming — rose/fruity ketone fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 43052-87-5.
Is Alpha-Damascone used outside cosmetics?
Alpha-Damascone also appears in industrial chemical safety and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Alpha-Damascone compliance across multiple jurisdictions:
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