tert-Butyl peroxyisobutyrate
- Product Name
- tert-Butyl peroxyisobutyrate
- CAS No.
- 109-13-7
- Chemical Name
- tert-Butyl peroxyisobutyrate
- Synonyms
- Lupersol 8;Perbutyl IB;Esperox 24M;Trigonox 41C75;t-Butyl perisobutyrate;t-Butyl peroxyisobutyrate;tert-Butyl perisobutyrate;tert-butyl peroxyisobutyrate;tert.-Butylperoxyisobutyrat21;tert-Butyl 2-methylpropaneperoxoate
- CBNumber
- CB2855349
- Molecular Formula
- C8H16O3
- Formula Weight
- 160.21
- MOL File
- 109-13-7.mol
tert-Butyl peroxyisobutyrate Property
- 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℃
- LogP
- 2.68 at 25℃
- CAS DataBase Reference
- 109-13-7
- EPA Substance Registry System
- Propaneperoxoic acid, 2-methyl-, 1,1-dimethylethyl ester (109-13-7)
Safety
- RIDADR
- UN 2142/2562
- HazardClass
- 5.2
- PackingGroup
- II
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H241Heating may cause a fire or explosion
H304May be fatal if swallowed and enters airways
H331Toxic if inhaled
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P220Keep/Store away from clothing/…/combustible materials.
P234Keep only in original container.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P311Call a POISON CENTER or doctor/physician.
P321Specific treatment (see … on this label).
P370+P378In case of fire: Use … for extinction.
P370+P380+P375in case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
P403+P235Store in a well-ventilated place. Keep cool.
P405Store locked up.
P411Store at temperatures not exceeding … oC/…oF.
P420Store away from other materials.
P501Dispose of contents/container to..…
tert-Butyl peroxyisobutyrate Chemical Properties,Usage,Production
Uses
Polymerization catalyst.
General Description
tert-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 Profile
TERT-BUTYL PEROXYISOBUTYRATE explodes with great violence when rapidly heated to a critical temperature; pure form is shock sensitive and detonable [Bretherick 1979 p. 602].
Hazard
Flammable, dangerous fire risk. Oxidizing agent.
Flammability and Explosibility
Not classified
Purification Methods
After 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
Raw materials
Preparation Products
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