Alpha-Damascone

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.

View industrial chemical safety profile for CAS 43052-87-5 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming — rose/fruity ketone fragrance
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C13H20O
MW
192.3 g/mol
PubChem CID
520506
IUPAC Name
1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-1-one
InChIKey
GCGZDUFEEQNVPR-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status restricted
US Notes Permitted 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: 1B Human: 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Source: HPPT: [568] RIFM (1985): RIFM report number 15416, July 29, unpublished.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
Deodorizer Flavouring and nutrient Fragrance
Regulatory List Membership (3)
IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Alpha-Damascone.

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

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

Chemical Function

Fragrance Deodorizer Flavouring and nutrient

Regulatory Lists

IFRA Transparency Europe food_additive; Substances Added to Food (formerly EAFUS) (2/2019) consumer_product

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in food safety data.

SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
ALPHA-DAMASCONE
ADI
No safety concern at current levels of intake when used as a flavouring agen mg/kg bw
Food Category
flavoring
View full food safety profile →

Frequently Asked Questions

Is Alpha-Damascone safe in cosmetics?

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.

Is Alpha-Damascone in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Alpha-Damascone in your formulation.