Maleic monoperoxyacid 1-tert-butyl ester
[CAS# 1931-62-0]

Identification

• Name: Maleic monoperoxyacid 1-tert-butyl ester
• Synonyms: tert-Butyl monopermaleate; tert-Butyl monoperoxymaleate; tert-Butyl peroxymaleate; tert-Butyl peroxymaleic acid
• Molecular Formula: C₈H₁₂O₅
• Molecular Weight: 188.18
• CAS Registry Number: 1931-62-0
• EC Number: 217-691-1

Properties

• Solubility: Sparingly soluble (17 g/L) (25 ºC), Calc.^*
• Density: 1.185±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 130-131 ºC^**
• Boiling point: 260.8±42.0 ºC (760 Torr), Calc.^*
• Flash point: 98.0±21.4 ºC, Calc.^*

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

^** Yurzhenko, T. I.; Zhurnal Organicheskoi Khimii 1965, V1(4), P688-91.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Serious eye damage	Eye Dam.	1	H318
Organic peroxides	Org. Perox.	B	H241
Skin sensitization	Skin Sens.	1	H317
Organic peroxides	Org. Perox.	C	H242
Self-reactive substances or mixtures	Self-react.	B	H241
Skin sensitization	Skin Sens.	1B	H317

• Hazardous Chemical?: Yes