β-Ionone
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β-Ionone
structure -
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CAS No:
79-77-6
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Formula:
C13H20O
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Chemical Name:
β-Ionone
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Synonyms:
3-Buten-2-one,4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-,(3E)-;3-Buten-2-one,4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-,(E)-;(3E)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one;trans-β-Ionone;β-Ionone;(E)-β-Ionone;Ionone beta;(E)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one;(E)-4-(2,6,6-Trimethylcyclohex-1-enyl)but-3-en-2-one;trans-β-Lonone;(E)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one;1353674-22-2
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CAS No:
Characteristics
17.1
2.9
Beta-ionone is a colorless to light yellow liquid with an odor of cedar wood. In very dilute alcoholic solution the odor resembles odor of violets. Used in perfumery.
0.9468 g/cm3 @ Temp: 20 °C
122-124 °C
135-140 °C @ Press: 16 Torr
230 °F
1.512
soluble in water (0.11 mg/mI at 20°C).
2-8°C
<1 hPa (25 °C)
LD50 orally in Rabbit: 2920 mg/kg
Warm woody, dry, and fruity odor
Woody, berry, floral, green and fruity
Safety Information
UN 3082 9/PG 3
2
38-51/53-36
61-36/37-26
EN0500000
Xi,N
Stable under recommended storage conditions.
P273, P391, P501
H401
β-Ionone Use and Manufacturing
It is obtained by condensing citral and acetone with potassium hydroxide as a condensing agent and then cyclizing with dilute sulfuric acid to form a mixture of α- and β-ionone, and then obtained by fractional distillation.
An aroma compound commonly found in essential oils such as rose oil. It is an important fragrance chemical used in perfumery. β-Ionone is effective in the chemoprevention of rat mammary carcinogenesis.
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