Chemical Name
1,1-Di(tert-butylperoxy)-3,5,5-trimethylcyclohexane
别名:
CH355
Structure
分子式:C₁₇H₃₄O₄
分子量 (MW):302.5
CAS No.:6731-36-8
Introduction
CH355 为无色至淡黄色透明液体,属于二烷基型有机过氧化物。主要用于乙烯、苯乙烯、丙烯腈、丙烯酸酯及甲基丙烯酸酯的聚合与共聚反应,作为中高温自由基引发剂,具有良好的热稳定性和可控分解特性。
CH355 is a colorless to slightly yellow transparent liquid. It belongs to dialkyl-type organic peroxide. It is widely used as a medium- to high-temperature free-radical initiator for the polymerization and copolymerization of ethylene, styrene, acrylonitrile, acrylate and methyl acrylate, offering good thermal stability and controlled decomposition behavior.
Specifications
外观 Appearance
无色或淡黄色透明液体
Colorless or slightly yellow transparent liquid
含量 Assay (%)
≥ 90.0
活性氧含量 Active Oxygen (%)
≥ 9.52
Properties
状态 State
液体
Liquid
密度 Density (g/cm³)
0.920
凝固点 Freezing Point (°C)
-10
理论活性氧 Active Oxygen (%)
10.58
Half-life Data
活化能 Ea (kJ/mol)
127.52
10 小时半衰期 10h Half-life (°C)
96
1 小时半衰期 1h Half-life (°C)
115
1 分钟最小半衰期 1 min Half-life (°C)
153
Solubility
易溶于醇、酯、醚、烃类等有机溶剂,不溶于水。
Soluble in alcohols, esters, ethers, hydrocarbons and other organic solvents, insoluble in water.
Safety Data
自加速分解温度 SADT (°C)
60
报警温度 Alarm Temperature (°C)
55
联合国编号 UN No.
3103
Packaging
20 kg
PE 桶装
PE bucket packaging
Storage
30°C 以下阴凉通风处储存。
Stored below 30°C in a cool and ventilated place.





