dimethyl alpha-ionone

1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-methyl-1-penten-3-one

CAS: 72117-72-7 C15 H24 O MW: 220.35548000 floral

Identification

Name	dimethyl alpha-ionone
IUPAC	(E)-2-methyl-1-(2,6,6-trimethyl-1-cyclohex-2-enyl)pent-1-en-3-one
CAS Number	72117-72-7
FDA UNII	Search
Molecular Formula	C15 H24 O
Molecular Weight	220.35548000
Nikkaji Number	J69.505J
Beilstein	2616019

Regulatory

Physical Properties

Appearance	colorless to pale yellow clear liquid (est)
Assay	90.00 to 100.00
Food Chemicals Codex Listed	No
Boiling Point	302.00 to 303.00 °C. @ 760.00 mm Hg
Vapor Pressure	0.001000 mmHg @ 25.00 °C. (est)
Flash Point	269.00 °F. TCC ( 131.67 °C. )
logP (o/w)	4.588 (est)
Shelf Life	12.00 month(s) or longer if stored properly.
Storage	store in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble in	alcohol
Insoluble in	water

Organoleptic Properties

Odor Strength	medium ,
Substantivity	96 hour(s) at 100.00 %
Odor Description	at 10.00 % in dipropylene glycol. powdery, woody, wonderful orris-violet
Odor sample from	Fritzsche Dodge & Olcott, Inc.

Safety Information

European information	Most important hazard(s):
Oral/Parenteral Toxicity	Not determined
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	fragrance agents
RIFM Fragrance Material Safety Assessment	Search
IFRA Other Specification	<= 2% Pseudomethylionone
Recommendation for dimethyl alpha-ionone usage levels up to	5.0000 % in the fragrance concentrate.
Recommendation for dimethyl alpha-ionone flavor usage levels up to	not for flavor use.

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Potential Uses

FR amber FR autumn FR banana FR blueberry FR bouquet FR boxwood FR boysenberry FR butterscotch FR cedar forest FR cherry black cherry FR clover FR country meadow FR cucumber FR dillenia FR fern FR fir balsam FR floral FR freesia FL fruit tropical fruit FR genet FR gooseberry FR hibiscus FR honeysuckle FR huckleberry FR incense FR iris blossom FR jonquil FR kiwi blossom FR lily FR lily of the valley FR loganberry FR lotus FR magnolia FR mango FR mango flower FR millefleurs FR mulberry FR musk FR oriental FR orris FR pansy FR passion blossom FR peony FR petunia FR plum FR plum blossom FR powder FR quince FR raspberry FR reseda FR rose FR scented stock FL soda cream soda FR sweet grass FR sweet pea FL tropical FR tuberose FR vanilla FR violet FR woody

Natural Occurrence

not found in nature

Synonyms

alpha- cyclocitrylidene-4-methyl butan-3-one 1,3- dimethyl-a-ionone 1,3- dimethyl-alpha-ionone (E)-2- methyl-1-(2,6,6-trimethyl-1-cyclohex-2-enyl) pent-1-en-3-one (E)-2- methyl-1-(2,6,6-trimethyl-1-cyclohex-2-enyl)pent-1-en-3-one 2- methyl-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1-penten-3-one 1- penten-3-one, 1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-methyl- 1- penten-3-one, 2-methyl-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)- 1-(2,6,6- trimethyl-2-cyclohexen-1-yl)-2-methyl-1-penten-3-one Try the PubMed Search.