Benzoyl peroxide

CAS Number

94-36-0

Molecular Formula

C₁₄H₁₀O₄

Also known as:

Benzoyl peroxide; BPO; Diphenylperoxydicarbonyl; Phenyl carbonyl peroxide

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Product Description

Benzoyl Peroxide (CAS 94-36-0) is an organic peroxide material supplied as a white crystalline solid or stabilized paste. It functions primarily as a free-radical initiator for polymer chemistry and as a controlled oxidizing agent in specialty formulations. Commercial grades are tailored for polymer producers, coatings formulators and laboratories with documented COA and handling guidance.

Application

  • Polymerization initiator
    Used as a free-radical initiator for the polymerization of styrenics, acrylates, vinyl and other monomers in bulk, solution and emulsion processes.
  • Crosslinking and curing agent
    Employed as an initiator or curing component in thermoset resin systems and crosslinkable formulations to develop desired network properties.
  • Specialty oxidation & chemical processing
    Used in controlled oxidative steps and specialty syntheses where a solid organic peroxide is required as the oxidant.
  • Surface treatment & etch processes
    Applied in selective surface-treatment formulations and speciality cleaning/etch chemistries requiring controlled oxidative action.
  • Analytical reagent & laboratory use
    Provided in small, certified packs for method development, polymer research and QC testing.

Technical Parameters

Parameter Value
Assay ≥ 98.0%
Appearance White to off-white crystalline powder
Moisture / Loss on drying ≤ 0.2–0.8%
Melting / Decomposition ~103 °C
Density ≈ 1.18 g·cm⁻³

Applications

Film Formation

Quick Information

EINECS 202-327-6
Molecular Weight 242.23 g/mol

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