2,2-Di(tert-butylperoxy)butane
[CAS# 2167-23-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Alkane
• Name: 2,2-Di(tert-butylperoxy)butane
• Synonyms: Di-tert-butyl sec-butylidene diperoxide; Trigonox D
• Molecular Formula: C₁₂H₂₆O₄
• Molecular Weight: 234.33
• CAS Registry Number: 2167-23-9
• EC Number: 218-507-2

Properties

• Density: 0.805
• Flash point: 43 °C
• Water solubility: immiscible

Safety Data

• Hazard Symbols: O;Xi
• Risk Statements: R10;R36/38;R7
• Safety Statements: S14A;S26;S3/7;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Organic peroxides	Org. Perox.	C	H242
Skin irritation	Skin Irrit.	2	H315
Flammable liquids	Flam. Liq.	1	H224
Eye irritation	Eye Irrit.	2	H319
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H335
Organic peroxides	Org. Perox.	A	H240
Self-reactive substances or mixtures	Self-react.	C	H242

• Transport Information: UN 2111