Definition
US FDA substance register · UNII A7NRR1HLH6 · registered name β-Ionone · single chemical substance
Cosmetic roles
Gives the product a scentPERFUMING
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Names & identifiers
BETA-IONONEINCI3-Buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-Synonym
- CAS No.chemical registry number
- 14901-07-6
- EC No.EU chemical inventory number
- 238-969-9
- DTXSIDUS EPA chemical ID
- DTXSID9025451
- DTXCIDUS EPA compound ID
- DTXCID3027952
- IUPAC
- 4-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-3-en-2-one
- Molecular formula
- C13H20O
- Molecular weight
- 192.302 g/mol
What products actually use it for
What the 79 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Fragrance78
- Deodorizer1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
3 skin studies and 1 eye studies are on record.
Classed as moderate1Classed as low2
The studies disagree (the most common conclusion covers 33%), so they do not establish that this ingredient is irritating. These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 4 studies
- Moderate or Mild Irritation
skin irritation: in vivo · Screening · other guideline: according to - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to other guideline: - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: according to
Source: US EPA CompTox dashboard
Related literature
- Topical application of Solanum nigrum ameliorate impaired wound healing associated with diabetes mellitus: A network pharmacology and experimental approach · 2025
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- Genome assembly and chemogenomic profiling of National Flower of Singapore Papilionanthe Miss Joaquim ‘Agnes’ reveals metabolic pathways regulating floral traits · 2022
- Chemical components and functions of Taxus chinensis extract · 2020
- Chemical characterization and antioxidant potential of volatile oil from an edible seaweed Porphyra tenera (Kjellman, 1897) · 2017