SHEET /m/butylated-hydroxytoluene · PubChem CID 31404 · CAS 128-37-0 · REV 2026.07
Butylated hydroxytoluene from source
C15H24O · 220.35 g/mol
2,6-Di-tert-butyl-4-methylphenol · Butylhydroxytoluene · 2,6-Di-tert-butyl-p-cresol · 2,6-Di-t-butyl-4-methylphenol
antioxidant and food additive
Fig. 1 · 2D structure RDKit
CC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C
Where you'll find it
Not yet mapped to everyday foods or products.
The dose makes the poison inferred
A reported mouse oral LD50 for Butylated hydroxytoluene is 650 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:
“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
650 mg/kg · low toxicity · LD50 mouse oral from source
The dose lens above scales this to a body weight.
3 more reported values
- 890 mg/kgLD50 · oral · rat
- 138 mg/kgLD50 · other · mouse
- 180 mg/kgLD50 · iv · mouse
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