RIBOFLAVIN 5'-PHOSPHATE SODIUM
Prepared at the 31st JECFA (1987), published in FNP 38 (1988) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th
JECFA (2002). Add 6. A group ADI 0-0.5 mg/kg bw for riboflavin from Bacillus subtilis, synthetic riboflavin and riboflavin-5-phosphate was established at the 51st JECFA (1998).
SYNONYMS Riboflavin 5'-phosphate ester monosodium salt, Vitamin B2 phosphate ester monosodium salt; INS No. 101(ii)
DEFINITION These specifications apply to riboflavin 5'-phosphate sodium together with minor amounts of free riboflavin and riboflavin diphosphate sodium. Chemical names Monosodium (2R,3R,4S)-5-(3')10'-dihydro-7',8'-dimethyl-2',4'-dioxo-10'-benzo[g]pteridinyl)-2,3,4-trihydroxypentyl phosphate; monosodium salt of 5'-monophosphate ester of riboflavin.
C.A.S. number 130-40-5
Chemical formula C17H20N4NaO9P · 2H2O
Formula weight 514.36
Assay Not less than 95% of total colouring matters calculated as C17H20N4NaO9P · 2H2O
DESCRIPTION Yellow to orange crystalline hygroscopic powder, with slight odour
FUNCTIONAL USES Colour
