Food safety and quality: details

Flavouring	4-Hydroxy-4-(3-hydroxy-1-butenyl)-3,5,5-trimethyl-2-cyclohexen-1-one (mixture of isomers)
Synonym(s)
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	Mixture of (E)-4-hydroxy-4-(3-hydroxybut-1-en-1-yl)-3,5,5-trimethylcyclohex-2-enone and (Z)-4-hydroxy-4-(3-hydroxybut-1-en-1-yl)-3,5,5-trimethylcyclohex-2-enone
JECFA number	2058
CAS number	24427-77-8
FEMA number	4661
COE number
FLAVIS number
Molecular weight	224.3
Chemical formula	C13H20O3
Physical form/odour	White powder; Fruity aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	NA
Assay min %	98%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	Mixture of isomers: 63-68% E, 30-35% Z; m.p. = 98-104 °C
ID Test	HNMR MS
Spectrum