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Nantong Kezhong Chemical Technology Co., Ltd.By certification [File Integrity]
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TBPB | CAS 614-45-9 | Tert-butyl peroxybenzoate
Tert-butyl peroxybenzoate is an organic peroxide.Its CAS number is 614-45-9.It is a colorless to slightly yellow liquid and has a slight aromatic odor.It is insoluble in water and soluble in organic solvents.
Tert-butyl peroxybenzoate is also known as TBPB.It is widely used as an initiator in polymerization processes such as ethylene, styrene, propylene, vinyl acetate, diallyl phthalate, and isobutylene. In the curing process of unsaturated polyester, it is widely used in molding processes such as SMC, BMC, DMC pulling agents, and can also be used in two-component curing systems with higher activity such as MEPK, BPO, or TBPO.
TBPB-99,TBPB-75A,TBPB-65B are all available.You can contanct us for more informations.
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Appearance |
Clear Liquid |
Assay% |
≥98.5 |
Color |
≤100 |
Total Hydrolysable Chloride% |
≤0.005 |
TBHP% |
≤0.10 |
DTBP% |
≤0.20 |
Fe% |
≤0.0005 |
Acidity% |
≤0.05 |
Moisture% |
≤0.20 |
Active oxygen% |
≥8.10 |
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Tert-butyl peroxybenzoate is used as a medium temperature initiator for polymerization reactions such as polystyrene, polyethylene, polyacrylic acid,etc. It is used as a curing agent for unsaturated polyester.It is also used as a vulcanizing agent for silicone rubber.
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Molecular formula |
C11H14O3 |
Molecular weight |
194.23 |
InChi |
1/C11H14O3/c1-11(2,3)14-13-10(12)9-7-5-4-6-8-9/h4-8H,1-3H3 |
InChi key |
GJBRNHKUVLOCEB-UHFFFAOYSA-N |
Structural formula |
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Density |
1.036-1.045 g/ml |
Flash point |
96℃ |
Melting point |
8℃ |
Boiling point |
124℃ |
Refractivity |
1.495-1.505 |
SADT |
60℃ |
Vapour pressure |
33Pa at 50℃ |
Solubility |
soluble in alcohols, ethers, esters and ketones, but insoluble in water |
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Available packaging: 20 KG PE drum & 25 KG PE drum.
Special packaging is available on request.
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Store Tert-butyl peroxybenzoate in a dry and ventilated place, away from heat sources and away from direct sunlight. Stay it away from food, beverages and animal feed. Store it separately from other chemical substances. Avoid temperatures below 10℃. For customers with high color requirements, it is recommended to store it in a dark place at 10-15℃. To maintain quality, the storage temperature should be below 30℃.
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