tert-Butyl peroxy-3,5,5-trimethylhexanoate
[CAS 13122-18-4]

Identification

• Name: tert-Butyl peroxy-3,5,5-trimethylhexanoate
• Synonyms: Trigonox 42S
• Molecular Formula: C₁₃H₂₆O₃
• Molecular Weight: 230.34
• CAS Registry Number: 13122-18-4
• EC Number: 236-050-7

Properties

• Density: 0.897
• Melting point: -30 °C
• Refractive index: 1.4295-1.4315
• Water solubility: partly miscible

Safety Data

• Hazard Symbols: O;Xi
• Risk Statements: R38;R7
• Safety Statements: S14A;S26;S3/7;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Organic peroxides	Org. Perox.	D	H242
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Organic peroxides	Org. Perox.	C	H242
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1B	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412

• Transport Information: UN 2104