2,2-Di(tert-butylperoxy)butane
Pharmaceutical Materials 2025-03-02
CAS Number: 2167-23-9
Molecular Formula: C12H26O4
Molecular Weight: 234.33
Appearance: Colorless or slightly odor transparent liquid
Density: 0.88 g/mL at 25°C
Refractive Index: 1.445
Melting Point: ≥80°C
Flash Point: 43°C
Usage: It is mainly used as a polymerization initiator.
| Category | Details |
|---|---|
| Chemical Name | 2.2-Di(tert-butylperoxy)butane |
| CAS Number | 2167-23-9 |
| Synonyms | VP 1200; Perhexa 22; Trigonox D; Lupersol 220; etc. |
| Molecular Formula | C12H26O4 |
| Molecular Weight | 234.33 g/mol |
| Appearance | Clear, colorless liquid |
| Physical Properties | Density: 0.88 g/mL at 25°C; Vapor pressure: 50 Pa at 25°C; Refractive index: 1.445; Flash point: 118°F; Melting point (SADT): ≥80°C; Boiling point: 296.66°C (estimated) |
| Solubility | Insoluble in water; soluble in most organic solvents |
| Stability | Unstable. May explode if heated, struck, or mixed with incompatible chemicals. |
| Incompatibles | Acids, bases, strong oxidizing agents, powdered metals, strong reducing agents |
| Main Uses | Primarily used as an initiator for the polymerization of styrene and styrene copolymers in the temperature range of 90-130°C, offering low residue levels, high conversion rates, and high reaction rates. |
| Safety Information | Store in a cool, dry place away from heat, sparks, and incompatible materials. Handle with caution as it may ignite combustibles. |
| Supplier Information | Various suppliers globally, including in China, offering different packaging sizes and prices. |
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