TERTIARY BUTYLHYDROQUINONE
Prepared at the 49th JECFA (1997) , published in FNP 52 Add 5 (1997) superseding specifications prepared at the 44th JECFA (1995), published
in FNP 52 Add 3 (1995). Metals and arsenic specifications revised at the 61st JECFA (2003). An ADI of 0-0.7 mg/kg bw was established at the
49th JECFA (1997).
SYNONYMS TBHQ, INS No 319
DEFINITION
Chemical names Mono-tert-butylhydroquinone, t-butylhydroquinone, 2-(1,1-dimethylethyl)-1,4-benzenediol
C.A.S. number 1948-33-0
Chemical formula C10H14O2
Formula weight 166.22
Assay Not less than 99.0% of C10H14O2
DESCRIPTION White, crystalline solid having a characteristic odour.
FUNCTIONAL USES Antioxidant
