tert-Butyl cumyl peroxide
[CAS# 3457-61-2]

Identification

• Name: tert-Butyl cumyl peroxide
• Synonyms: Cumyl tert-butyl peroxide; Kayabutyl C; Luperox 801; Luperox D 16; Lupersol 801; Peroximon 166; Peroximon 801; Trigonox T; Trigonox T 40; Trigonox T 50D-PD
• Molecular Formula: C₁₃H₂₀O₂
• Molecular Weight: 208.30
• CAS Registry Number: 3457-61-2
• EC Number: 222-389-8

Properties

• Solubility: Insoluble (6.2E^-3 g/L) (25 ºC), Calc.^*
• Density: 0.953±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 15.5 ºC^**
• Boiling point: 60 ºC (2 Torr)^***
• Refractive index: 1.4803 (589.3 nm 20 ºC)^****
• Flash point: 73.2±28.3 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Boardman, Harold; US 2668180 1954.

^*** Kharasch, M. S.; Journal of Organic Chemistry 1959, V24, P72-8.

^**** Tijssen, Stephanus B.; GB 954361 1964.

Safety Data

• Hazard Symbols: GHS02;GHS07;GHS09 Warning
• Hazard Statements: H242-H315-H411

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Organic peroxides	Org. Perox.	E	H242
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin irritation	Skin Irrit.	2	H315
Skin sensitization	Skin Sens.	1B	H317
Flammable liquids	Flam. Liq.	3	H226