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ALPHA-ISOMETHYL IONONE

Allergen21 products
CAS
127-51-5
EC
2048463
PubChem CID
61073
Molecular Formula
C14H22O
Molecular Weight
206.3200 g/mol

3-Methyl-4-(2,6,6-trimethyl-2-cyclohexenyl)-3-buten-2-one

What does it do?

Provides a floral scent and acts as a fragrance fixative.

Details

3-Methyl-4-(2,6,6-trimethyl-2-cyclohexenyl)-3-buten-2-one

Eau de Parfum in I Don't Know What
Ingredient guide

That long name on the label: alpha-isomethyl ionone

You may see 'alpha-isomethyl ionone' on the ingredient list of a perfume, deodorant or moisturizer. It is a synthetic fragrance ingredient. Why does this unremarkable name get its own line on the label?

Read the full guide →

Function & Use

Skin Conditioning

Perfuming

Skin-Conditioning Agent

Regulatory note

  • EU 1223/2009 Annex IIIRestricted
The verdict isn’t ours: below is what ToxValDB (EPA Toxicity Value Database), SCCS (EU Scientific Committee on Consumer Safety), EPA ToxCast (high-throughput in vitro screening) said, verbatim.

What The Sources Say

SCCS (EU Scientific Committee on Consumer Safety)4
Safety assessment

EU 1223/2009 Annex III - SCCS opinion: Opinion concerning Fragrance Allergy in Consumers - A Review of the Problem - Analysis of the need for appropriate Consumer Information and Identification of Consumer Allergens

Safety assessment

EU 1223/2009 Annex III - SCCS opinion: Opinion concerning the Interim Position on Fragrance Allergy

Safety assessment

EU 1223/2009 Annex III - SCCS opinion: Memorandum on the SCCNFP Opinion concerning Fragrance Allergy

Safety assessment

EU 1223/2009 Annex III - SCCS opinion: Opinion concerning Essential Oils

ToxValDB (EPA Toxicity Value Database)5
Hazard claimView source →

EPA ToxValDB skin/eye data - endpoint: skin irritation: in vivo, classification: Severe Irritation, species: rat, study: skin irritation, guideline: other guideline: as mentioned below according to, year: 2007. Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.

Hazard claimView source →

EPA ToxValDB skin/eye data - endpoint: skin sensitisation: in vivo (non-LLNA), classification: High Frequency of Sensitization, species: human, study: skin sensitization, guideline: according to other guideline: as mentioned below, year: 2005. Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.

Hazard claimView source →

EPA ToxValDB skin/eye data - endpoint: eye irritation: in vivo, classification: Studies Indicate No Significant Irritation, species: rabbit, study: eye irritation, guideline: other guideline: according to, year: 2007. Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.

+2 more records.

EPA ToxCast (high-throughput in vitro screening)1
Safety assessmentView source →

EPA ToxCast ER model: NO estrogen receptor activity found (AUC agonist=0.0185, antagonist=0). Tested in 18 in vitro assays. Caveat: this is an in vitro screening model with no dose or exposure context; it does NOT mean an effect occurs in humans at cosmetic use levels.

Scientific References

  • CIR - Safety Assessment ofCosmetic Ingredient Review (CIR), Personal Care Products Council(2018)
  • Memorandum on the SCCNFP Opinion concerning Fragrance AllergySCCS - Scientific Committee on Consumer Safety
  • Opinion concerning Essential OilsSCCS - Scientific Committee on Consumer Safety
  • Opinion concerning Fragrance Allergy in Consumers - A Review of the Problem - Analysis of the need for appropriate Consumer Information and Identification of Consumer AllergensSCCS - Scientific Committee on Consumer Safety
  • Opinion concerning the Interim Position on Fragrance AllergySCCS - Scientific Committee on Consumer Safety

Products Containing This Ingredient

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Saç Bakım Şampuanı 350 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Saç Bakım Şampuanı 350 ml

Davidoff Davidoff Hot Water EDT Erkek Parfüm 110 ml

Davidoff Davidoff Hot Water EDT Erkek Parfüm 110 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Yoğun Saç Bakım Maskesi 230 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Yoğun Saç Bakım Maskesi 230 ml

Dp Dp Durulanmayan Yoğun Onarıcı Sıvı Saç Kremi Çam Terebentin 200 ml

Dp Dp Durulanmayan Yoğun Onarıcı Sıvı Saç Kremi Çam Terebentin 200 ml

Dove Dove Kadın Roll On Deodorant Original 1/4 Nemlendirici Krem Etkili 50 ml

Dove Dove Kadın Roll On Deodorant Original 1/4 Nemlendirici Krem Etkili 50 ml

NIVEA Değerli Yağlar Içeren Nemlendirici Vücut Losyonu 400ml, Kiraz Çiçeği, Jojoba Yağı, Kuru Cilt Tipleri

NIVEA Değerli Yağlar Içeren Nemlendirici Vücut Losyonu 400ml, Kiraz Çiçeği, Jojoba Yağı, Kuru Cilt Tipleri

Rexona Kadın Sprey Deodorant Invisible Beyaz İz Sarı Leke Karşıtı 72 Saat Kesintisiz Üstün Koruma 20

Rexona Kadın Sprey Deodorant Invisible Beyaz İz Sarı Leke Karşıtı 72 Saat Kesintisiz Üstün Koruma 20

Rexona Kadın Roll On Deodorant Shower Fresh 50 ml x2

Rexona Kadın Roll On Deodorant Shower Fresh 50 ml x2

NIVEA SUN SPF50+ Yüksek Güneş Koruyucu ve Nemlendirici Sprey 200ml, Suya Dayanıklı, Yeni Nesil UV Filtresi

NIVEA SUN SPF50+ Yüksek Güneş Koruyucu ve Nemlendirici Sprey 200ml, Suya Dayanıklı, Yeni Nesil UV Filtresi

Dove Kadın Sprey Deodorant Işıldayan Bakım Lotus Çiçeği Kokusu 150 ml X3 Adet

Dove Kadın Sprey Deodorant Işıldayan Bakım Lotus Çiçeği Kokusu 150 ml X3 Adet

Rexona Kadın Sprey Deodorant Shower Fresh 72 Saat Kesintisiz Üstün Koruma 150 mlx3

Rexona Kadın Sprey Deodorant Shower Fresh 72 Saat Kesintisiz Üstün Koruma 150 mlx3

THE BATH FACTORY Nemlendirici ve Besleyici Dark Amber Duş Jeli 400 ml

THE BATH FACTORY Nemlendirici ve Besleyici Dark Amber Duş Jeli 400 ml

Dove Men Care Clean Comfort Deodorant 72 Saat Koruma 150 ml x3

Dove Men Care Clean Comfort Deodorant 72 Saat Koruma 150 ml x3

NIVEA Soft Nemlendirici Bakım Kremi El, Vücut ve Yüz

NIVEA Soft Nemlendirici Bakım Kremi El, Vücut ve Yüz

Chloé Eau de Parfum Signature

Chloé Eau de Parfum Signature

Chloé Eau de Parfum

Chloé Eau de Parfum

Dove Dove Kadın Sprey Deodorant 1/4 Nemlendirici Krem Invisible Dry 150 ml

Dove Dove Kadın Sprey Deodorant 1/4 Nemlendirici Krem Invisible Dry 150 ml

Elidor Elidor Brezilya Keratin Terapisi Yoğun Onarıcı Saç Bakım Maskesi 220 ml

Elidor Elidor Brezilya Keratin Terapisi Yoğun Onarıcı Saç Bakım Maskesi 220 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Saç Bakım Kremi 200 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Saç Bakım Kremi 200 ml

Rexona Rexona Üstün Koruma Kadın Stick Deodorant Cotton Dry 50 ml

Rexona Rexona Üstün Koruma Kadın Stick Deodorant Cotton Dry 50 ml

Dp Dp Durulanmayan Kırık Onarıcı Sıvı Saç Kremi Karanfil 200 ml

Dp Dp Durulanmayan Kırık Onarıcı Sıvı Saç Kremi Karanfil 200 ml

Rexona Rexona Clinical Protection Confidence Kadın Deodorant Roll On 45 ml

Rexona Rexona Clinical Protection Confidence Kadın Deodorant Roll On 45 ml

Dove Dove Kadın Sprey Deodorant Nemlendirici Bakım Lotus Çiçeği 150 ml

Dove Dove Kadın Sprey Deodorant Nemlendirici Bakım Lotus Çiçeği 150 ml

Dove Dove Kadın Sprey Deodorant 1/4 Nemlendirici Krem Original 150 ml

Dove Dove Kadın Sprey Deodorant 1/4 Nemlendirici Krem Original 150 ml