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Di-Tert-Butyl Peroxide

  • Product Name: Di-tert-butyl peroxide
  • Other Names: DTBP
  • Cas No.: 110-05-4
  • Purity: ≥98.5%
  • MF: 146.22
  • Appearance: colorless liquid
  • Package: Drum
  • Certificate: ISO
  • Application: Mainly used used as a radical initiator in the polymerization process of various materials, particularly in the production of polymers and plastics
  • Sample: Available

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Product Detail

Di-tert-butyl peroxide, also known as di-tert-butyl peroxide, is an organic compound, chemical formula C8H18O2, colorless liquid, can be miscible with benzene, petroleum ether and other organic solvents, insoluble in water, mainly used as synthetic resin initiator, photopolymerization sensitizer, rubber vulcanization agent, diesel ignition accelerator, but also used in organic synthesis.

Product Parameter

Synonyms 2-(tert-Butylperoxy)-2-methylpropane,DTBP
Molecular formula C8H18O2 CAS Number 110-05-4
Molecular weight 146.22
Content ≥98.5%
Effective oxygen content ≥10.72
Theoretical effective oxygen content 10.94%
TBHP content ≤0.6
Appearance colorless liquid
Odor distinctive odor
Density D=0.790~0.800
Melting point −40 °C (−40 °F; 233 K)
Boiling point 109°C (760mmHg)
Autocatalytic decomposition temperature +80°C volatile
Vapor pressure 40 mm Hg ( 20 °C)
Refractive index n=1.385~1.395
Flash point 12.5°C (closed dish) 18°C (open dish)
Solubility 0.063g/l
Solubility in water immiscible
Stability May decompose explosively if heated, subjected to shock, or treated with reducing agents. Highly flammable. Refrigerate.
log P 3.2 at 22°C
Storage condition Store at +15°C to +25°C
package Polyethylene blue plastic drum 20kg, 165kg, or according to user requirements.



1.DTBP used as a vinyl monomer polyester work initiator;
2.Crosslinking agent for silicone rubber and unsaturated polyester;
3.Used as a molecular weight regulator;
4.Used as a regulator of diesel oil and lubricating oil;
5.Used as a pour point depressant for transformer oil, etc.

Multiple uses of products

It use in Polymer and Plastics Industry,Resin and Composite Manufacturing,Adhesives and Sealants Industry,Coatings and Paints Industry,Polymer Research and Development