Description
Benzoyl Peroxide (CAS 94-36-0), commonly known as BPO, is an organic peroxide widely recognized for its potent oxidizing, antimicrobial, and keratolytic properties. It is a key Active Pharmaceutical Ingredient (API) in numerous topical formulations for the treatment of acne vulgaris. Beyond its dermatological applications, BPO is also extensively used as a free-radical initiator in the polymer industry. Due to its potentially hazardous nature as a dry solid, Benzoyl Peroxide is typically supplied in a stabilized form, most commonly wetted with water (e.g., 75% BPO content), to ensure safer handling and storage. As a trusted supplier, we provide high-quality, stabilized Benzoyl Peroxide suitable for pharmaceutical and industrial requirements.
Properties
Property Description CAS Number 94-36-0 Chemical Formula (or ) Synonyms BPO, Dibenzoyl peroxide Appearance White granular powder or paste (when wetted) Odor Faint, characteristic Solubility Sparingly soluble in water; soluble in some organic solvents Melting Point Approx. $103-106 \, ^\circ C$ (decomposes; handle with extreme caution when heating dry material) Key Characteristic Strong Oxidizing Agent, Antimicrobial, Keratolytic, Polymerization Initiator, Potentially Hazardous Solid (Organic Peroxide Class 5.2) Form Supplied Typically wetted with water (e.g., ~25% water) or phlegmatized for safety Usage
Benzoyl Peroxide has significant applications in both pharmaceutical and industrial sectors:
- Acne Treatment (API): The primary pharmaceutical use. BPO is formulated into over-the-counter (OTC) and prescription gels, creams, lotions, and washes to treat acne by killing acne-causing bacteria (Cutibacterium acnes) and promoting skin shedding.
- Polymerization Initiator: Widely used to initiate the polymerization of monomers like styrene, vinyl chloride, and acrylics in the production of plastics and resins.
- Curing Agent: Employed in curing thermoset polyester resins and silicone rubber.
- Bleaching Agent: Historically used for bleaching flour, oils, fats, and waxes (less common now for food items).
Disclaimer: This product is supplied for pharmaceutical formulation, industrial use, or research purposes only. Appropriate safety precautions for handling organic peroxides must be strictly followed. Not intended for direct application or consumption without proper formulation and regulatory compliance.
Packaging and Transportation
Due to its classification as an organic peroxide (Hazard Class 5.2), Benzoyl Peroxide requires specialized packaging designed to minimize risks associated with friction, shock, heat, and contamination. It is typically supplied wetted or phlegmatized in UN-approved containers (e.g., lined drums). Transportation strictly adheres to national and international regulations for hazardous materials, including proper labeling, segregation, and handling protocols.
Storage
Store Benzoyl Peroxide in a cool, well-ventilated, isolated area specifically designated for organic peroxides, away from heat sources, direct sunlight, sparks, friction, shock, and incompatible materials (e.g., reducing agents, accelerators, flammables, acids, bases, metals). Keep containers tightly closed and upright. Adhere to any specified temperature control requirements (SADT – Self-Accelerating Decomposition Temperature) and regulatory storage guidelines for organic peroxides.
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