Diisobutyryl peroxide
[CAS 3437-84-1]

Identification

• Name: Diisobutyryl peroxide
• Synonyms: Isobutyroyl peroxide; Peroyl IB; Trigonox 187; Trigonox 187C30; Trigonox 187C50; Trigonox 187W26; Trigonox 187W27.5; Trigonox 187W35; Trigonox 187W40
• Molecular Formula: C₈H₁₄O₄
• Molecular Weight: 174.19
• CAS Registry Number: 3437-84-1
• EC Number: 222-340-0

Properties

• Solubility: Slightly soluble (2.4 g/L) (25 °C), Calc.^*
• Density: 1.034±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 199.3±23.0 °C (760 Torr), Calc.^*
• Flash point: 75.1±22.7 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Organic peroxides	Org. Perox.	B	H241
Aspiration hazard	Asp. Tox.	1	H304
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2	H319