Chemical name tert-Butyl peroxybenzoate
CAS-No 614-45-9
C11H14O3=194.23
Safety data
Thermal decomposition temperature………………………………60℃
Flash point …………………open 65℃, close 19℃
Self-accelerating decomposition temperature (SADT) ……………63℃
Alarm temperature (Tem) ……………………55℃
UN number (UN-No) ………………3103
China number of dangerous chemicals (CN-No) ……52076
Physical and chemical properties
State……………………………………liquid
Specific gravity( ) …………………………1.043
Refractive index ( ) ……………………1.499
Boiling point ……………………………………124℃
Melting point ……………………………………8℃
Theoretical content of active oxygen………………………8.24%
Main quality index
Appearance……………………… light yellow transparent oily liquid
Assay………………………………………Min.98%
Chroma……………………………………Max.100 Hazen
Fe…………………………………Max.0.0003%
Brief TBPB is a low volatile, light yellow transparent liquid, is an organic peroxide of ester. Used as the medium temperature initiator of polymerization reaction (such as polystyrene, polyethylene, polyacrylic acid), a curing agent of unsaturated polyester, and vulcanizing agent. of silicone rubber
Half-life data
Activation energy …………………33kcal/mole
Temperature of 10 hours half-life………………105℃
Temperature of 1 hour half-life…………………125℃
Temperature of 1 minute…………………167℃
Solubility
soluble in alcohols, esters, ethers, hydrocarbons and organic solvents. Insoluble in water. Packaging and Storage
20kg, 25kg PE drum.
stored in a cool ventilated place from 10 to 30 ℃. For high requirements of chroma, should be stored at 10 ~ 15 ℃.
Diluted product
TBPB-75 Assay: 75%, dilution of organic solvent.
TBPB-50 Assay: 50%, dilution of organic solvent. |
