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tert-BUTYL PEROXYPIVALATE

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Name

tert-BUTYL PEROXYPIVALATE

EINECS 213-147-2
CAS No. 927-07-1 Density 0.931 g/cm3
PSA 35.53000 LogP 2.30580
Solubility insoluble Melting Point -17 ºC
Formula C9H18 O3 Boiling Point 182.5 °C at 760 mmHg
Molecular Weight 174.24 Flash Point 53.5 °C
Transport Information UN 2110 Appearance colorless liquid free of foreign contaminant
Safety Mildly toxic by ingestion. Moderately flammable by heat, flame (sparks), oxidizers. Can explode on heating. To fight fire, use water, fog, mist, alcohol foam, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also PEROXIDES, ORGANIC. Risk Codes R36/37/38
Molecular Structure Molecular Structure of 927-07-1 (tert-Butyl peroxypivalate) Hazard Symbols (Solution) Flammable, dangerous fire risk. Oxidizing agent. May explode on heating.
Synonyms

Peroxypivalicacid, tert-butyl ester (6CI,7CI,8CI); Esperox 31M; Kayaester P; Kayaester P 70;Luperox 11; Luperox 11M75; Lupersol 11; Perbutyl PV; Trigonox 25; Trigonox25/75; Trigonox 25C75; Trigonox 25W33; t-Butylperoxypivalate; tert-Butyl2,2-dimethylperoxypropionate; tert-Butyl 2,2-dimethylpropaneperoxoate;tert-Butyl peroxypivalate; tert-Butyl perpivalate; tert-Butyl tert-valerylperoxide; tert-Butyl trimethylperoxyacetate

Article Data 22

tert-BUTYL PEROXYPIVALATE Synthetic route

75-91-2

tert.-butylhydroperoxide

3282-30-2

pivaloyl chloride

927-07-1

tert-butyl peroxypivalate

Conditions
ConditionsYield
With potassium hydroxide In water at 10 - 15℃;93.7%
In water at 14 - 21℃; Product distribution / selectivity;84%
With pyridine; diethyl ether
75-91-2

tert.-butylhydroperoxide

75-98-9

Trimethylacetic acid

927-07-1

tert-butyl peroxypivalate

Conditions
ConditionsYield
Stage #1: tert.-butylhydroperoxide; Trimethylacetic acid With dmap In dichloromethane; water at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane; water at 0 - 20℃; Inert atmosphere;
63%
Stage #1: tert.-butylhydroperoxide; Trimethylacetic acid With dmap In dichloromethane; water at -15℃; for 0.25h;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane; water for 3.5h;
56%
Stage #1: tert.-butylhydroperoxide; Trimethylacetic acid With dmap; dihydrogen peroxide In dichloromethane; water at 0℃; for 0.166667h; Inert atmosphere; Green chemistry;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane; water at 0 - 20℃; for 2h; Inert atmosphere; Green chemistry;
With dmap; dicyclohexyl-carbodiimide In dichloromethane; water for 1.5h; Inert atmosphere; Cooling;
Stage #1: tert.-butylhydroperoxide; Trimethylacetic acid With dmap In dichloromethane; water at 0℃; for 0.166667h;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane; water at 0 - 25℃;
927-07-1

tert-butyl peroxypivalate

16687-60-8

5-(4-nitrophenyl)-2H-tetrazole

2-(tert-butyl)-5-(4-nitrophenyl)-2H-tetrazole

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In acetonitrile at 100℃; for 6h; Schlenk technique; Inert atmosphere; regioselective reaction;92%

acrolein cyanohydrin acetate

927-07-1

tert-butyl peroxypivalate

methane-phosphonous acid monoisobutyl ester

(3-Acetoxy-3-cyano-propyl)-methyl-phosphinic acid isobutyl ester

Conditions
ConditionsYield
91.6%
927-07-1

tert-butyl peroxypivalate

18039-42-4

5-phenyl-2H-1,2,3,4-tetrazole

59772-96-2

2-(tert-butyl)-5-phenyl-2H-tetrazole

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In acetonitrile at 100℃; for 6h; Schlenk technique; Inert atmosphere; regioselective reaction;87%
927-07-1

tert-butyl peroxypivalate

6926-51-8

5-(4-methoxyphenyl)-2H-tetrazole

2-(tert-butyl)-5-(4-methoxyphenyl)-2H-tetrazole

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In acetonitrile at 100℃; for 6h; Schlenk technique; Inert atmosphere; regioselective reaction;81%
95-16-9

1,3-Benzothiazole

927-07-1

tert-butyl peroxypivalate

17626-88-9

2-(tert-butyl)benzo[d]thiazole

Conditions
ConditionsYield
With iron(III) trifluoromethanesulfonate In acetonitrile at 80℃; for 5h; Inert atmosphere; Schlenk technique; Green chemistry;76%
927-07-1

tert-butyl peroxypivalate

3846-66-0

(E)-1-tert-butyl-2-phenylethene

Conditions
ConditionsYield
With iron(III) trifluoromethanesulfonate In tetrahydrofuran at 100℃; for 5h; Schlenk technique; Inert atmosphere; diastereoselective reaction;67%
927-07-1

tert-butyl peroxypivalate

1224853-95-5

4-(4-methylphenyl)-2-phenylbut-3-yn-2-ol

C21H22

Conditions
ConditionsYield
With iron(III) trifluoromethanesulfonate In tetrahydrofuran at 50℃; for 4h; Schlenk technique; Inert atmosphere;22%
927-07-1

tert-butyl peroxypivalate

509-14-8

tetranitromethane

59223-13-1

3,3,5-trimethyl-1,1,1,5-tetranitro-hexane

tert-BUTYL PEROXYPIVALATE Chemical Properties

The molecular formula of tert-butyl peroxypivalate(927-07-1) is C9H18O3  and its formula weight is 174.24.
The density of tert-butyl peroxypivalate(927-07-1)  is 0.854 g/cm3 (25 °C)  and it has a  melting point of  -17°C. The boiling point is  182°C. The refractive index is about 1.4101 (25 °C).
Tert-butyl peroxypivalate(927-07-1) has the property of being dissolved in most organic solvents. It is not soluble in  water and ethylene glycol.
The chemical synonyms of tert-butyl peroxypivalate are esperox31m;InitiatingagentPV;lupersol11;peroxypivalicacid,tert-butylester;Propaneperoxoicacid,2,2-dimethyl-,1,1-dimethylethylester;t-butylperoxypivalate;Tertbutylperoxidetert-pentanoicacidester;tert-butyltrimethylperoxyacetate.
The molecular structure of tert-butyl peroxypivalate(927-07-1):

tert-BUTYL PEROXYPIVALATE Uses

Used as an initiator for polyethylene, polyvinyl chloride, etc. It is a highly efficient low-temperature initiator.

tert-BUTYL PEROXYPIVALATE Toxicity Data With Reference

1.   

orl-rat LD50:4300 mg/kg

   BSPII*    SPI Bulletin .(Society of the Plastics Industry, 250 Park Ave.,New York, NY.:  10017)1/75-19B.

tert-BUTYL PEROXYPIVALATE Consensus Reports

Reported in EPA TSCA Inventory.

tert-BUTYL PEROXYPIVALATE Safety Profile

Mildly toxic by ingestion. Moderately flammable by heat, flame (sparks), oxidizers. Can explode on heating. To fight fire, use water, fog, mist, alcohol foam, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also PEROXIDES, ORGANIC.
RIDADR  UN 2110
HazardClass  5.2
PackingGroup  II

tert-BUTYL PEROXYPIVALATE Specification

Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Stability
No data.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.
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