tert-Butyl peroxyisobutyrate

tert-Butyl peroxyisobutyrate Basic information
Product Name:tert-Butyl peroxyisobutyrate
Synonyms:Lupersol 8;Perbutyl IB;Propaneperoxoic acid, 2-methyl-, 1,1-dimethylethyl ester;tert-Butyl 2-methylpropaneperoxoate;Trigonox 41C75;2-Methylperpropionic acid tert-butyl ester;2-Methylpropaneperoxoic acid 1,1-dimethylethyl;2-Methylpropaneperoxoic acid 1,1-dimethylethyl ester
CAS:109-13-7
MF:C8H16O3
MW:160.21
EINECS:203-650-5
Product Categories:
Mol File:109-13-7.mol
tert-Butyl peroxyisobutyrate Structure
tert-Butyl peroxyisobutyrate Chemical Properties
Boiling point 226.12°C (rough estimate)
density 1.0227 (rough estimate)
vapor pressure 5.04hPa at 37℃
refractive index 1.4370 (estimate)
Water Solubility 3.96g/L at 20℃
LogP2.68 at 25℃
CAS DataBase Reference109-13-7
EPA Substance Registry SystemPropaneperoxoic acid, 2-methyl-, 1,1-dimethylethyl ester (109-13-7)
Safety Information
RIDADR UN 2142/2562
HazardClass 5.2
PackingGroup II
MSDS Information
ProviderLanguage
tert-Butyl peroxyisobutyrate English
tert-Butyl peroxyisobutyrate Usage And Synthesis
UsesPolymerization catalyst.
General Descriptiontert-Butyl peroxyisobutyrate is particularly sensitive to temperature rises. Above a given "Control Temperature" they decompose violently. tert-Butyl peroxyisobutyrate is generally stored or transported in a solvent slurry. Solvent is usually benzene. Responders must regard hazards of the peroxide as well as the benzene solvent.
Reactivity ProfileTERT-BUTYL PEROXYISOBUTYRATE explodes with great violence when rapidly heated to a critical temperature; pure form is shock sensitive and detonable [Bretherick 1979 p. 602].
HazardFlammable, dangerous fire risk. Oxidizing agent.
Flammability and ExplosibilityNotclassified
Purification MethodsAfter diluting 90mL of the material with 120mL of pet ether, the mixture is cooled to 5o and shaken twice with 90mL portions of 5% NaOH solution (also at 5o). The non-aqueous layer, after washing once with cold water, is dried at 0o with a mixture of anhydrous MgSO4 and MgCO3 containing ca 40% MgO. After filtering, this material is passed, twice, through a column of silica gel at 0o (to remove tert-butyl hydroperoxide). The solution is then evaporated at 0o/0.5-1mm to remove the solvent, and the residue is recrystallised several times from pet ether at -60o, then subjected to high vacuum to remove traces of solvent [Milos & Golubovic J Am Chem Soc 80 5994 1958]. Handle with adequate protection due to possible EXPLOSIVE nature.
tert-Butyl peroxyisobutyrate Preparation Products And Raw materials
tert-Butyl acetoacetate t-butyl chloroformate Butyl isobutyrate Cyhalofop-butyl tert-Butyl acetate tert-Butyl peroxyisobutyrate tert-Butyl methacrylate Buprofezin tert-Butyl peroxypivalate tert-Butyl peroxyacetate Butyl acetate tert-Butyl isobutyrate BUTYL OLEATE tert-Butyl peroxyisobutyrate(in solution,not more than 52%) tert-Amyl peroxy-2-ethylhexanoate tert-Butyl bromoacetate tert-Butyl carbazate tert-Butyl peroxy-2-ethylhexanoate

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