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Tert-butyl hydroperoxide TBHP-70W is a volatile, slightly yellow transparent liquid and an alkyl hydrogen organic peroxide. It is used as an initiator for polymerization reactions (polyacrylic acid emulsion polymerization monomer elimination, etc.); it is also widely used as a raw material for the synthesis of other organic peroxides. CAS-N .75-91-2Tert-butyl hydroperoxide TBHP-70W produced by Guangzhou Sanming Chemical Co., Ltd. is a volatile, slightly yellow transparent liquid and an alkyl hydrogen organic peroxide. It is used as an initiator for polymerization reactions (polyacrylic acid emulsion polymerization monomer elimination, etc.); it is also widely used as a raw material for the synthesis of other organic peroxides. CAS-N .75-91-2
Molecular formula:
Molecular weight: C4H10O2=90.1
Safety data:
Flash point (closed cup) 40℃
Self-accelerating decomposition temperature (SADT) 80℃
United Nations number (UN-Ng) 3109
China Hazardous Chemicals Number (CH-Ng) 52017
Physical and chemical properties:
State …………………………… …… ………………Liquid
Specific gravity (d²)… …… …… ……… …~0.94
Melting point …………………………………………………………-3℃
Theoretical active oxygen content…………………… … ………17.78%
Main quality indicators:
Appearance ……………………………Colorless to light yellow transparent liquid
Content ………………… ………………………69~71%
Chroma ……………………………………… … 40 Black Zeng Max.
Sodium hydroxide solution reaction………………………… ………Transparent
Half-life data:
Active energy………………… ………… …44.4kcal/mole
1 minute half-life temperature…………………………………………264℃
1 hour half-life temperature…………………………………………185℃
10 hour half-life temperature…………………………………………164℃
Solubility:
Soluble in alcohol, ester, ether, hydrocarbon organic solvents and sodium hydroxide aqueous solution. Slightly soluble in water.
Packaging and storage:
25kg or 190kg PE barrel packaging.
Store in a cool and ventilated place below 0~35℃.
Application:
Can be used in emulsion polymerization, water-based polymerization, curing and graft polymerization, etc., widely used as polymerization initiator for acrylic acid and methacrylic acid.
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