Chemical Name

• Tert-butyl monoperoxymaleate
• 别名：过氧化顺丁烯二酸叔丁酯

Structure

• 分子式：C₈H₁₂O₅
• 分子量 (MW)：188.2
• CAS No.：1931-62-0

Introduction

• TBMA is a white to milk-white paste. It belongs to ester-type organic peroxide. It is mainly used as an initiator for the polymerization and copolymerization of styrene, acrylonitrile, acrylate and methyl acrylate, offering mild initiation behavior and good controllability.

Specifications

• Appearance : White paste
• Assay (%) : 39.0 – 41.0
• Active Oxygen (%) : 3.35 – 3.49
• Dibutyl maleate (%) : 45.0 – 50.0

Properties

• State : Paste
• Density (g/cm³) : 0.85
• Active Oxygen (%) : 8.50

Half-life Data

• 10h Half-life (°C) : 82
• 1h Half-life (°C) : 104
• 1 min Half-life (°C) : 150

Solubility

• Soluble in alcohols, esters, ethers, hydrocarbons and other organic solvents, insoluble in water.

Safety Data

• Self-Accelerating Decomposition Temperature (SADT) (°C)
  SADT（°C）：60
• Alarm Temperature (°C)  : 55
• UN Number : 3108

Packaging

• 20 kg
• PE bucket packaging

Storage

• Stored at 0–30°C in a cool and ventilated place.