Food safety and quality: details

Flavouring	2-Acetyl-4-isopropenylpyridine
Synonym(s)	(4-(1-methyl ethenyl)-2-pyridinyl) ethanone
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Tentative
Information required	Information to differentiate between JECFA Nos. 2153 and 2154
Chemical name	1-(4-Prop-1-en-2-ylpyridin-2-yl)ethanone
JECFA number	2153
CAS number	142896-11-5
FEMA number	4636
COE number
FLAVIS number
Molecular weight	161.2
Chemical formula	C10H11NO
Physical form/odour	Light yellow clear liquid; grassy green aroma
Solubility	Sparingly soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	270-272°
Assay min %	95%
Acid value max
Refractive index	1.518-1.520
Specific gravity	1.006-1.008
Other requirements
ID Test	MS HNMR
Spectrum