POTASSIUM NITRITE
Prepared at the 44th JECFA (1995), published in FNP 52 Add 3 (1995) superseding specifications prepared at the 20th JECFA (1976), published in
FNP 4 (1978) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd JECFA (2004). An ADI of 0-0.06 mg/kg bw was established at 44th JECFA (1995). Nitrite should not be used for infants below 3 months
SYNONYMS INS No. 249
DEFINITION
Chemical names Potassium nitrite
C.A.S. number 7758-09-0
Chemical formula KNO2
Formula weight 85.10
Assay Not less than 95.0% on the dried basis
DESCRIPTION Small, white or slightly yellow, deliquescent granules or rods
FUNCTIONAL USES Antimicrobial preservative, colour fixative
