| Agent Name |
Benzoyl peroxide |
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| Alternative Name |
Dibenzoyl peroxide |
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| CAS Number |
94-36-0 |
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| Formula |
C14-H10-O4 |
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| Major Category |
Other Classes |
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| Synonyms |
Abcat 40; Acetoxyl; Acne-Aid Cream; Acnegel; Akneroxid 5; Akneroxide L; Aksil 5; Asidopan; Aztec BPO; B 75W; BPO; BZF-60; Benbel C; Benox 50; Benoxyl; Benoxyl (5&10) Lotion; Benzac; Benzac W; Benzagel; Benzagel 10; Benzaknen; Benzashave; Benzoic acid, peroxide; Benzol peroxide; Benzoperoxide; Benzoyl peroxide; Benzoyl superoxide; Benzoylperoxid [German]; Benzoylperoxyde [Dutch]; Brevoxyl; Cadat BPO; Cadox 40E; Cadox B; Cadox B 40E; Cadox B 50P; Cadox B 70W; Cadox B-CH 50; Cadox BS; Chaloxyd BP 50FT; Clear By Design; Clearasil Antibacterial Acne Lotion; Clearasil BP Acne Treatment Cream; Debroxide; Desanden; Desquam E; Desquam X; Dibenzoyl peroxide; Dibenzoylperoxid [German]; Dibenzoylperoxyde [Dutch]; Diphenylglyoxal peroxide; Dry and Clear; Duresthin 5; Eloxyl; Epi Clear Antiseptic Lotion; Epi-Clear; Fostex; G 20; Garox; Incidol; Loroxide; Lucidol; Lucidol (peroxide); Lucidol 50P; Lucidol B 50; Lucidol G 20; Lucidol KL 50; Lucidol-70; Luperco AA; Luperco AST; Luperox FL; Mytolac; Nayper B and BO; Nayper bo; Norox bzp-250; Norox bzp-C-35; Novadelox; Oxy-10; Oxy-10 Cover; Oxy-5; Oxylite; PanOxyl; Perossido di benzoile [Italian]; Peroxide, dibenzoyl; Peroxyde de benzoyle [French]; Persa-Gel; Persadox; Quinolor compound; Resdan Akne; Stri-dex B.P.; Superox 744; Theraderm; Topex; Vanoxide; Xerac; epi-Cle; [ChemIDplus] UN2088 |
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| Category |
Peroxides |
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| Description |
Colorless to white crystals or a granular powder with a faint, benzaldehyde-like odor; [NIOSH] |
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| Sources/Uses |
Used as a catalyst in polymer production, e.g., acrylates, and an oxidizer to bleach flour and other foods; [ACGIH] |
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| Comments |
Benzoyl peroxide is a skin irritant and infrequent sensitizer. It may cause allergic contact dermatitis in dentists using acrylate cements and in bakers handling bleached flour. [Marks, p. 188] If left on clothes, can cause reddening of the skin; [CHRIS] A skin, eye, and respiratory tract irritant; [ICSC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
5 mg/m3 |
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| PEL (OSHA) |
5 mg/m3 |
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| MAK |
5 mg/m3, inhalable fraction |
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| IDLH (NIOSH) |
1500 mg/m3 |
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| Excerpts from Documentation for IDLHs |
Human data: Concentrations of 12 mg/m3 and higher have resulted in pronounced irritation of the nose and throat [Moskowitz and Grabois 1950]. |
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| Vapor Pressure |
7.06 x 10 -05 mm Hg |
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| Lethal Concentration |
LC50 (mice) = 7,000 mg/m3/4H |
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| Explanatory Notes |
Flash point = 176 deg F; |
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| Half Life |
No reports found; [TDR, p. 174] |
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| Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
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| Flammability (NFPA) |
3: may ignite at ambient temperature |
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| Adverse Effects |
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| Dermatotoxin |
Skin Burns |
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| Skin Sensitizer |
Yes |
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| IARC Carcinogen |
Not Classifiable |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: BENZOYL PEROXIDE
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