Food safety and quality: details

Flavouring	(R)-5-hydroxy-4-(4’-hydroxy-3’-methoxyphenyl)-7-methylchroman2-one
Synonym(s)	(4R)-4-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1- benzopyran-2-one
Latest JECFA evaluation	2020 (Session 89)
Status of specification	Full
Information required
Chemical name	(4R)-4-(4-hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1-benzopyran-2-one
JECFA number	2261
CAS number	1793064-68-2
FEMA number	4834
COE number
FLAVIS number
Molecular weight	300.31
Chemical formula	C17H16O5
Physical form/odour	White powder; Bland aroma
Solubility	Practically insoluble to insoluble
Solubility in ethanol	Very slightly soluble
Boiling point (°C)
Assay min %	95%
Acid value max
Refractive index
Specific gravity
Other requirements	mp: 149-150°; Optical rotation: +25° (20 °C, c = 1.0 g/100 mL in absolute ethanol)
ID Test	MS HNMR
Spectrum