2,5-dimethyl-2,5-di ( tert -butylperoxy) hexane

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Structural formula
Structural formula of 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane
General
Surname 2,5-dimethyl-2,5-di ( tert -butylperoxy) hexane
other names
  • 1,1,4,4-tetramethyl-1,4-butanediyl-bis (1,1-dimethylethyl-peroxide)
  • 2,5- ( tert -butylperoxy) -2,5-dimethylhexane
Molecular formula C 16 H 34 O 4
Brief description

yellowish liquid with a characteristic odor

External identifiers / databases
CAS number 78-63-7
EC number 201-128-1
ECHA InfoCard 100.001.026
PubChem 6545
Wikidata Q27271465
properties
Molar mass 290.50 g mol −1
Physical state

liquid

density

0.872 g cm −3

Melting point

8 ° C

boiling point

55-57 ° C (9 hPa)

solubility

practically insoluble in water

Refractive index

1.423 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning

danger

H and P phrases H: 242-315
P: 280-210-220-403 + 235-302 + 352-332 + 313
Toxicological data

> 3200 mg kg −1 ( LD 50ratoral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

2,5-Dimethyl-2,5-di ( tert -butylperoxy) hexane is a chemical compound from the group of organic peroxides .

properties

2,5-Dimethyl-2,5-di ( tert -butylperoxy) hexane is a yellowish liquid with a characteristic odor. It decomposes when heated above 80 ° C.

use

2,5-Dimethyl-2,5-di ( tert -butylperoxy) hexane is used as a monomer scavenger in styrene polymerization and as an initiator for radical polymerization .

safety instructions

The vapors of 2,5-dimethyl-2,5-di ( tert -butylperoxy) hexane can form explosive mixtures with air when the substance is heated above its flash point.

Individual evidence

  1. a b c d e f g h i j Entry on 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane in the GESTIS substance database of the IFA , accessed on November 4, 2018(JavaScript required) .
  2. Nicholas P. Cheremisinoff: Condensed Encyclopedia of Polymer Engineering Terms . Butterworth-Heinemann, 2001, ISBN 978-0-7506-7210-8 , pp. 347 ( limited preview in Google Book search).
  3. a b Data sheet Luperox ® 101, 2,5-bis (tert-butylperoxy) -2,5-dimethylhexane, technical grade, 90% from Sigma-Aldrich , accessed on November 4, 2018 ( PDF ).
  4. ^ Johannes Karl Fink: Reactive Polymers: Fundamentals and Applications A Concise Guide to Industrial Polymers . William Andrew, 2017, ISBN 978-0-12-814510-4 , pp. 551 ( limited preview in Google Book search).