SHEET /m/tert-butylhydroquinone · PubChem CID 16043 · CAS 1948-33-0 · REV 2026.07
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Tert-Butylhydroquinone from source
C10H14O2 · 166.22 g/mol
TBHQ · 2-tert-Butylhydroquinone · T-BUTYLHYDROQUINONE · MTBHQ
chemical compound
CategoryFood & flavor
Chemical familyAromatics
Fig. 1 · 2D structure RDKit
CC(C)(C)C1=C(C=CC(=C1)O)O
Where you'll find it
Not yet mapped to everyday foods or products.
The dose makes the poison inferred
A reported rat oral LD50 for Tert-Butylhydroquinone is 615 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:
43.0 g
a median lethal dose scaled to 154 lb (43,050 mg)
“The dose makes the poison” is a cross-species estimate shown as neutral science, not a threshold anyone should act on. Real toxicity depends on the person, not body mass alone.
Toxicity & hazards
Toxicity · LD50
615 mg/kg · low toxicity · LD50 rat oral from source
The dose lens above scales this to a body weight.
WarningIrritantEnvironmentalH302, H312, H315, H317, H319, H335, H400, H410from source
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