Chemical Name

• Di(tert-butylperoxyisopropyl)benzene
• 别名：BIBP

Structure

• 分子量 (MW)：338.5
  CAS No.：25155-25-3
  EINECS / ELINCS No.：218-664-7
  TSCA Status：Listed

Introduction

• BIBP is a fine white powder. It belongs to bifunctional dialkyl organic peroxides. It is mainly used for the crosslinking of natural rubber and synthetic rubbers, and is also widely applied in the crosslinking and modification of polyolefins, providing efficient radical generation under high-temperature processing conditions.

Specifications

• Appearance : Fine powder
• Assay (%) : ≥ 96.0
• Active Oxygen (%) : 9.08
• Concentration (%) : ≥ 9.26

Properties

• State : Solid
• Active Oxygen (%) : 9.45

Thermal Stability

• Organic peroxides are thermally unstable substances and may undergo self-accelerating decomposition under certain conditions.
• The Self-Accelerating Decomposition Temperature (SADT) refers to the lowest temperature at which a substance may undergo self-accelerating decomposition under transportation packaging conditions.
• The SADT of BIBP is:SADT (°C): 80

Safety Data

• UN No. : 3106O rganic Peroxide Type D, Solid
  Division 5.2

Packaging

• Packaging and transport comply with international regulations.

Storage

Maximum recommended storage temperature (Ts max) : 30°C

Under recommended storage conditions:

• ≥ 6 months: Product remains within Sinomore specifications
• ≥ 12 months under strictly controlled conditions: Product remains within Sinomore specifications

Store below 30°C in a cool, dry, and well-ventilated place.

Handling Precautions

• Keep containers tightly closed
• Keep away from heat sources, ignition sources, and direct sunlight
• Do not weigh or open containers in the storage area
• Avoid contact with reducing agents (e.g. amines), acids, alkalis, and heavy metal compounds (such as accelerators and metal soaps)