DTBP (di-tert-butyl peroxide) produced by Sanming Chemical is a volatile, slightly yellow transparent liquid. It is a dialkyl organic peroxide, also known as initiator A. It is used as a free radical donor in the cross-linking of polymers (such as silicone rubber, EPDM, polyethylene, etc.) and the degradation of polypropylene.

CAS-N £º110-05-4   

C₈H₁₈O₂=146.22

Safety data:

Flash point (closed cup):<0℃

Self-accelerating decomposition temperature (SADT): 80℃

United Nations number (UN-No): 3107

China Hazardous Chemicals Number (CH-Ng): 52026

Physical and chemical properties:

State: liquid

Specific gravity (d²): 0.8

Refractive index (n²): 1.39

Melting point: -40℃

Boiling point: 111℃

Theoretical active oxygen content: 10.94%

Main quality indicators:

Appearance: light yellow transparent liquid

Content: 98%Min.

Chroma: 60 Black Zeng Max.

Half-life data:

Activity: 35.1kcal/mole

1 minute half-life temperature: 193℃

1 hour half-life temperature: 149℃

10 hour half-life temperature: 126℃

Solubility:

Soluble in alcohol, ester, ether, hydrocarbon organic solvents.

Insoluble in water.

Packaging and storage:

20kg PE barrel, 165kg PE barrel packaging.

Store in a cool and ventilated place below -30*C¡«40¡ãC.

Application:

Used as polymerization initiator for vinyl and diene monomers, vulcanizer for silicone rubber, oil additive and pour point depressant for transformer oil.

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