Trigonox 21S Product Name: Tert-Butylperoxy-2-Ethylhecanoate
CAS: 3006-82-4
Molecular Formula: C12H24O3
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Catalysts and promoters/ Polymer additives/ Trigonox 21S
Trigonox 21S - Names and Identifiers
Name |
Tert-Butylperoxy-2-Ethylhecanoate |
Synonyms |
TBPEH |
CAS |
3006-82-4 |
EINECS |
221-110-7 |
InChI |
InChI=1/C12H24O3/c1-6-8-9-10(7-2)11(13)14-15-12(3,4)5/h10H,6-9H2,1-5H3 |
Trigonox 21S - Physico-Chemical Properties
Molecular Formula |
C12H24O3 |
Molar Mass |
216.32 |
Density |
0.89 |
Melting Point |
-30°C |
Boling Point |
248.9±23.0 °C(Predicted) |
Flash Point |
85°C |
Water Solubility |
46.3mg/L at 20℃ |
Vapor Presure |
2Pa at 20℃ |
pKa |
-4.8[at 20 ℃] |
Refractive Index |
1.429 |
Physical and Chemical Properties |
|
Use |
As an initiator for the polymerization of ethylene, methacrylate and propylene monomers |
Trigonox 21S - Risk and Safety
UN IDs |
UN 2143 |
Trigonox 21S - Upstream Downstream Industry
Raw Materials |
2-Ethylhexanoic Acid |
Trigonox 21S - Reference Information
LogP |
4.79 at 20℃ |
EPA chemical information |
Information provided by: ofmpub.epa.gov (external link) |
Overview |
Compared with tert-butyl benzoate peroxide and di-tert-butyl peroxide, the half-life temperature of tert-butyl peroxy-2-ethylhexanoate for 1 second is 185 ℃, which is a high-efficiency and fast initiator, which can quickly initiate polymerization at a lower temperature and increase the production capacity of the polymerization reactor; tert-butyl peroxidation (2-ethylhexanoic acid) initiates polymerization at a lower temperature, during the polymerization process, the reaction is exothermic and easy to control. |
Characteristics |
the free radical decomposed by tert-butyl peroxidation (2-ethylhexanoic acid) does not contain benzene ring, which will not pollute the polyethylene resin in the process of initiating the polymerization of ethylene monomer, and the resin quality is excellent. |
Application |
Peroxidation (2-ethylhexanoic acid) tert-butyl ester (initiator OT) is an organic peroxide initiator, used as vinyl acetate, The polymerization initiator of all vinyl monomers such as vinyl chloride, methacrylic acid, styrene, ethylene, etc.; it can also be used as a heating molding curing catalyst for unsaturated polyester resin. |
Use |
used as initiator for polymerization of ethylene, methacrylate and propylene monomers |