TBHQ Back to Antioxidants
PRODUCT Tertiary Butyl Hydroquinone
Common Name TBHQ
Empirical Formula C10H14O2
CAS Number 1948 – 33 –0
Physical Appearance White Crystalline Powder
Molecular Weight 166.24
Melting Range 126.5°C to 128.5°C
Purity as C10H14O2 by mass 99.0% Minimum
t-butyl p-benzoquinone % by mass 0.2% Maximum
Hydroquinone % by mass 0.1% Maximum
Arsenic (as As) Mg/Kg 3.0 Maximum
Moisture 0.5% Maximum
Heavy metals (as Pb) mg/Kg 2.0 Maximum
Toluene mg/Kg 25.0 Maximum
UV absorbance Passes Test
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