Di-Benzoyl Peroxide (BPO)

Chemical Name

English Name: Di-benzoyl peroxide
Alias: Dibenzoyl peroxide

Structure

Molecular Formula: C₁₄H₁₀O₄
Molecular Weight (MW): 242.2
CAS No.: 94-36-0

Introduction

BPO is white granules or powder. It is a diacyl organic peroxide. Mainly used as the initiator for the polymerization of styrene and acrylate, curing agent of UPR and silicone rubber.

Specifications

Appearance: White granular particles
Assay (%): 74.0 – 76.0
Active Oxygen (%): 4.88 – 5.02

Properties

State: Solid
Density (g/cm³): 0.630
Theoretical Active Oxygen (%): 6.62

Half-life Data

Activation Energy Ea (kJ/mol): 122.35
10 h Half-life (°C): 71
1 h Half-life (°C): 91
1 min Half-life (°C): 113

Solubility

Solubility: Soluble in alcohol, esters, ethers, hydrocarbons and other organic solvents, insoluble in water

Safety Data

Self-Accelerating Decomposition Temperature SADT (°C): 80
Alarm Temperature (°C): 75
UN No.: 3104
China Hazardous Chemical No. (CN No.): 52045

Packaging

Packaging: 20 kg PE plastic bag

Storage

Storage Conditions: Stored in 5–30°C cool and ventilated place