Isophorone is an unsaturated cyclic ketone of a high degree of purity. It consists essentially of a-Isophorone (3,5,5-Trimethyl-2-cyclohexen-1-one), in which about 1-3 % of the ¡-isomer (3,5,5-Trimethyl-3-cyclohexen-1-one) are present. Isophorone is a waterwhite liquid having the typical odor of cyclic ketones.
Synonym/Trade Name: 3,5,5-Trimethyl-2-cyclohexen-1-one
CAS No：78-59-1
CHEMICAL FORMULA：C9H14O
Typical Physical Properties
(These properties are typical but do not constitute specifications.)
Properties
Specifications
Molecular weight (g/mol)
138.21
Boiling point @ 1013 hPa
210-216°C
Flash point (Tag Closed Cup)
85°C
Specific gravity (20/20°C)
–
Density @ 20°C
0.918-0.923 g/mol
Water Solubility @ 20°C
14.5 g/ml
Evaporation rate (diethyl ether = 1)
330
– Coating
– Printing Ink
– Adhesive
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