Chemical Name

• Tert-amyl peroxypivalate
• 别名：TAPV

Structure

• 分子量 (MW)：188.3
  CAS No.：29240-17-3
  EINECS / ELINCS No.：64741-65-7
  TSCA Status：Listed

Introduction

• TAPV is a colorless transparent liquid. It belongs to ester-type organic peroxide. It is mainly used as an initiator for the polymerization and copolymerization of acrylates, methacrylates, ethylene and styrene, offering efficient and well-controlled initiation behavior.

Specifications

• Appearance : Clear liquid
• Color : ≤ 30 Pt-Co
• Assay (%) : 74.0 – 76.0
• Active Oxygen (%) : 6.29 – 6.46
• Hydroperoxides as TAHP (%) : ≤ 0.10
• Inorganic + organic hydrolysable chloride : ≤ 200 mg/kg

Properties

• State : Liquid
• Density (20 °C, g/cm³) : 0.89

Half-life Data

• Half-life data of TAPV in chlorobenzene are as follows:
• 10 h Half-life (°C) : 54
• 1 h Half-life (°C) : 72
• 0.1 h Half-life (°C) : 91
• Activation Energy Ea (kJ/mol) : 127.76

Thermal Stability

• Maximum recommended storage temperature Ts max (°C) : -10
• Minimum recommended storage temperature Ts min (°C) : -30
• Self-Accelerating Decomposition Temperature SADT (°C) : 25

Safety Data

• Organic Peroxide Type C, Liquid, Temperature Controlled
• Division 5.2
• UN No. : 3113

Packaging

• 25 L
  HDPE 桶装

Storage

• Stored at -30 °C to -10 °C in a cool and ventilated place.

Handling Precautions

• Keep containers tightly closed
• Keep away from heat sources, ignition sources and direct sunlight
• Do not weigh or repackage in storage areas
• Avoid contact with reducing agents (such as amines), acids, bases and heavy metal compounds (accelerators, metal soaps, etc.)