moleculefinder

SHEET /m/benzoyl-peroxide · PubChem CID 7187 · CAS 94-36-0 · REV 2026.07

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Benzoyl peroxide from source

C14H10O4 · 242.23 g/mol

Dibenzoyl peroxide · Benzoyl superoxide · Peroxide, dibenzoyl · Benzoperoxide

Also sold as Clearasil, Proactiv, PanOxyl from source

organic chemical compound

CategoryOTC medicine
Chemical familyAromatics
LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

C1=CC=C(C=C1)C(=O)OOC(=O)C2=CC=CC=C2

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 Benzoyl peroxide is 5,700 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:

399.0 g
a median lethal dose scaled to 154 lb (399,000 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

5,700 mg/kg · very low toxicity · LD50 mouse oral from source

The dose lens above scales this to a body weight.

1 more reported value
  • 7,710 mg/kgLD50 · oral · rat
DangerExplosiveFlammableOxidizerIrritantHealth hazardEnvironmentalH241, H242, H251, H316, H317, H319, H335, H361, H400, H410from source

Keep roaming

Where Benzoyl peroxide leads