Food safety and quality: details

Flavouring	(2R)-3',5-Dihydroxy-4'-methoxyflavanone
Synonym(s)
Latest JECFA evaluation	2020 (Session 89)
Status of specification	Full
Information required
Chemical name	(2R)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one
JECFA number	2258
CAS number	1449417-52-0
FEMA number	4799
COE number
FLAVIS number
Molecular weight	286.28
Chemical formula	C16H14O5
Physical form/odour	Pale yellow powder; Bland aroma
Solubility	Practically insoluble to insoluble
Solubility in ethanol	Soluble
Boiling point (°C)
Assay min %	95%
Acid value max
Refractive index
Specific gravity
Other requirements	mp: 134-135º; Optical Rotation: -8.1º
ID Test	MS HNMR CNMR IR
Spectrum