ChemicalBook > CAS DataBase List > ALPHA-ISO-METHYLIONONE

ALPHA-ISO-METHYLIONONE

Product Name
ALPHA-ISO-METHYLIONONE
CAS No.
127-51-5
Chemical Name
ALPHA-ISO-METHYLIONONE
Synonyms
METHYL IONONE GAMMA;3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-BUTEN-2-ONE;Isonaline 70;α-Cetone;Isonaline;ISORALDEINE;α-Isomethylionone;3-METHYL-4-(2,6,6-TRIMETHYLCYCLOHEX-2-ENYL)BUT-3-EN-2-ONE;4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-METHYL-3-BUTEN-2-ONE;α-Cetone
CBNumber
CB5183650
Molecular Formula
C14H22O
Formula Weight
206.32
MOL File
127-51-5.mol
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ALPHA-ISO-METHYLIONONE Property

Boiling point:
121-122℃ (9 Torr)
Density 
0.93 g/mL at 20 °C(lit.)
vapor pressure 
0.22Pa at 20℃
FEMA 
2714 | ALPHA-ISO-METHYLIONONE
refractive index 
1.50188 (589.3 nm 20℃)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
liquid
color 
Light orange to Yellow to Green
Odor
at 10.00 % in dipropylene glycol. woody violet floral
Odor Type
floral
Water Solubility 
27.953mg/L at 25℃
JECFA Number
404
Stability:
Light Sensitive
LogP
4.288 at 25℃
EPA Substance Registry System
3-Buten-2-one, 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)- (127-51-5)
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Safety

Hazard Codes 
Xi
Risk Statements 
43
Safety Statements 
24/25-36/37
RIDADR 
UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany 
2
HS Code 
2914.23.0000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
93192
Product name
α-Cetone
Purity
odorant used in allergy studies
Packaging
10ml
Price
$44.9
Updated
2024/03/01
Sigma-Aldrich
Product number
93192
Product name
α-Cetone
Purity
odorant used in allergy studies
Packaging
50mL
Price
$171
Updated
2024/03/01
Sigma-Aldrich
Product number
16797
Product name
α-Cetone
Purity
analytical standard
Packaging
1ml
Price
$78.8
Updated
2024/03/01
Sigma-Aldrich
Product number
W271410
Product name
α?Isomethyl ionone
Purity
≥95%, stabilized, FG
Packaging
SAMPLE-K
Price
$52.3
Updated
2022/05/15
Sigma-Aldrich
Product number
W271410
Product name
α?Isomethyl ionone
Purity
≥95%, stabilized, FG
Packaging
100g
Price
$78.4
Updated
2022/05/15
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ALPHA-ISO-METHYLIONONE Chemical Properties,Usage,Production

Description

α-Isomethylionone has a fine violet and orris-like odor. This substance may be synthesized by condensation of citral with methyl ethyl ketone controlling the ratio between the n- and iso-forms; the methyl pseudo-ionone obtained is then subjected to ring closure, using strong alkali and high temperature (thus favoring the formation of the normal α- and β-methylionones) or with quaternary ammonium base (thus favoring the formation of wo-forms); See also monographs of α- and β-ionone and methyl α-, β-, and γ-ionones.

Chemical Properties

α-Isomethylionone has a fine violet and orris-like odor.

Preparation

By condensation of citral with methyl ethyl ketone controlling the ratio between the n- and iso-forms; the methyl pseudoionone obtained is then subjected to ring closure, using strong alkali and high temperature (thus favoring the formation of iso-forms); See also monographs of α-, β-, and γ-ionones.

Definition

ChEBI: 3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one is a sesquiterpenoid.

Flammability and Explosibility

Not classified

Contact allergens

As a fragrance allergen, a-isomethylionone has to be mentioned by name in cosmetics within the EU.

ALPHA-ISO-METHYLIONONE Preparation Products And Raw materials

Raw materials

PSEUDOIONONE Citral

Preparation Products

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ALPHA-ISO-METHYLIONONE Suppliers

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View Lastest Price from ALPHA-ISO-METHYLIONONE manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Alpha-ISO-Methylionone 127-51-5
Price
US $70.00-25.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-06-05
Hebei Yanxi Chemical Co., Ltd.
Product
ISONALINE 70 127-51-5
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20tons
Release date
2023-09-06
Hebei Chuanghai Biotechnology Co,.LTD
Product
Alpha Isomethyl Ionone 127-51-5
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-22

127-51-5, ALPHA-ISO-METHYLIONONERelated Search:

(E,E)-Farnesol DL-Menthol Hexyl salicylate Isolongifolone Sorbic acid Ionone 3-Methyl-3-buten-2-one METHYL IONONE GAMMA EXTRA METHYL IONONE GAMMA METHYL IONONE GAMMA,ALPHA-ISO-METHYLIONONE ALPHA-ISO-METHYLIONONE alpha-Ionone 1,7-Octadiene 6 METHYL 3 HEPTEN 2 ONE 3,5-DIMETHYL-3-HEPTENE 3-METHYL-3-HEPTEN-2-ONE TRANS,TRANS-2,8-DECADIENE METHYL IONONE GAMMA REPLACER

  • (3E)-3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • 3-methyl-4-(2,6,6
  • 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-on
  • 3-Methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)
  • 8-Methyl-alpha-ionone
  • alpha-Ionone, isomethyl-
  • iso-alpha-methyl ionone
  • Methyl-alpha-isoionone
  • α-Isomethylionone
  • 3-Methyl-4-(2,6,6-trimethyl-2-cyclohexenyl)-3-butene-2-one
  • 4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-methyl-3-buten-2-one
  • α-Cetone
  • Isonaline 70
  • 3-Methyl-4-(2,6,6-trimethylcyclohex-2-enyl)but-3-en-2-one , tech
  • alpha-Isomethylionone 3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • 3-Methyl-4-(2,6,6-triMethylcyclohex-2-en-1-yl)but-3-en-2-one
  • (E)-3-Methyl-4-(2,6,6-triMethylcyclohex-2-en-1-yl)but-3-en-2-one
  • NSC 66432
  • Iso-Methyl ionone 70
  • alpha-IsoMethy
  • a-Isomethylionone
  • a-Isomethylionone, 60-70%
  • alpha-Cetone solution
  • Isonaline
  • METHYL IONONE A, GAMMA
  • METHYL IONONE ALPHA ISO
  • METHYL IONONE GAMMA
  • ISORALDEINE
  • IRISANTHEME
  • ISOMETHYL-ALPHA-IONONE
  • ISOMETHYL IONONE ALPHA
  • FEMA 2714
  • (E)-3-METHYL-4-(2,6,6-TRIMETHYL-CYCLOHEX-2-ENYL)-BUT-3-EN-2-ONE
  • CETONE, ALPHA
  • CETONE ALPHA LG
  • Methyl lonone
  • 3-BUTEN-2-ONE, 3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)
  • 4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-METHYL-3-BUTEN-2-ONE
  • 3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-BUTEN-2-ONE
  • 3-METHYL-4-(2,6,6-TRIMETHYLCYCLOHEX-2-ENYL)BUT-3-EN-2-ONE
  • ALPHA-ISO-METHYLIONONE
  • ALPHA-CETONE
  • 4-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)-3-METHYLBUT-3-EN-2-ONE, TECH.
  • METHYL IONONE GAMMA REGULAR
  • g-Methylionone
  • Cetone Alpha (tech)
  • 3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEX-1-YL)-3-BUTEN-2-ONE
  • METHYLIONON ALPHA
  • METHYL IONONE ALPHA ISO SUPER
  • Cetone Alpha (tech)@1000 μg/mL in Acetonitrile
  • α-Isomethyl ionone
  • ALPHA-ISO-METHYLIONONE USP/EP/BP
  • ALPHA/METHYL/GAMMA METHYL IONONE
  • Isonethyl Ionone
  • alpha-isomethyl ionone (70% min.)
  • alpha-isomethyl ionone (80% min.)
  • alpha-isomethyl ionone (50% min.)
  • alpha-isomethyl ionone (60% min.)