SODIUM HYDROXIDE
Prepared at the 19th JECFA (1975), published in NMRS 55B (1976) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th
JECFA (2002). An ADI not limited' was established at the 9th JECFA (1965)
SYNONYMS Caustic soda, lye, sodium hydrate, INS No. 524
DEFINITION
Chemical names Sodium hydroxide
C.A.S. number 1310-73-2
Chemical formula NaOH
Formula weight 40.00
Assay Not less than 95.0% of total alkali calculated as NaOH
DESCRIPTION White or nearly white pellets, flakes, sticks, fused masses or other forms
FUNCTIONAL USES Alkali
