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L13174 Dibenzoyl peroxide, 97% (dry wt.), wet with 25% water

CAS Number
Dibenzoyl peroxide

Stock No. Size Price ($) Quantity Availability
L13174-18 50g 19.30
L13174-30 250g 37.20
L13174-0B 1000g 99.60
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Dibenzoyl peroxide, 97% (dry wt.), wet with 25% water


Chemical Properties

Formula Weight
Storage & Sensitivity
Ambient temperatures.
Soluble in ether and chloroform. Slightlysoluble in ethanol. Insoluble in water.


Benzoyl peroxide is widely utilized as a radical initiator to induce polymerizations. It finds applications for acne treatment, for bleaching flour, hair and teeth and for cross-linking polyester resins. It also has major applications in antiseptic and bleaching properties. It serves as a catalyst for polyester thermoset resins and as a hardener to start the polymerization process.


Incompatible with strong oxidizer, reducing agents, acids, bases, alcohols and metals.

Literature References

Free-radical initiator for a wide variety of homolytic reactions, e.g. halogenations with bromine or NBS.

Semsarzadeh, M. A.; Alamdari, P. Co(acac)2 mediated controlled radical copolymerization of vinyl acetate and methyl acrylate initiated by benzoyl peroxide. Macromol. Res. 2015, 23 (2), 139-144.

Gollnick, H. P. M.; Friedrich, M.; Peschen, M.; Pettker, R.; Pier, A.; Jostingmeyer, V. S.; Porombka, D.; Pulido, R.; Jackel, A. Safety and efficacy of adapalene 0.1% / benzoyl peroxide 2.5% in the long-term treatment of predominantly moderate acne with or without concomitant medication - results from the non-interventional cohort study ELANG. J Eur Acad Dermatol Venereol 2015, 29 (4), 15-22.

GHS Hazard and Precautionary Statements

Hazard Statements: H242-H317-H319-H335

Heating may cause a fire. May cause an allergic skin reaction. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P210-P220-P234-P261-P264b-P271-P272-P280-P302+P352-P304+P340-P305+P351+P338-P312-P333+P313-P337+P313-P363-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Keep only in original container. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation or rash occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Harmonized Tariff Code


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