2,5-di- tert- pentyl hydroquinone

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Structural formula
Structural formula of 2,5-di-tert-pentylhydroquinone
General
Surname 2,5-di- tert- pentyl hydroquinone
other names

2,5-di- tert- amylhydroquinone

Molecular formula C 16 H 26 O 2
Brief description

white to yellowish odorless solid

External identifiers / databases
CAS number 79-74-3
EC number 201-222-2
ECHA InfoCard 100.001.112
PubChem 6610
Wikidata Q27252125
properties
Molar mass 250.38 g mol −1
Physical state

firmly

density

1.04 g cm −3

Melting point

180.7 ° C

boiling point

325.7 ° C

solubility
  • practically insoluble in water (80 mg l −1 at 20 ° C)
  • soluble in ethanol and benzene
safety instructions
GHS labeling of hazardous substances
07 - Warning 09 - Dangerous for the environment

Caution

H and P phrases H: 302-410
P: 270-301 + 312-330-273
Toxicological data

2000 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

2,5-Di- tert -pentylhydroquinone is a chemical compound from the group of phenols .

Extraction and presentation

2,5-Di- tert- pentylhydroquinone can be obtained by Friedel-Crafts alkylation of hydroquinone with iosamylene .

properties

2,5-Di- tert- pentylhydroquinone is a white to yellowish solid that is practically insoluble in water.

use

2,5-Di- tert- pentylhydroquinone is used as an antioxidant for polymers .

Individual evidence

  1. ↑ a b c d e f g h i j Entry on 2,5-di-tert-pentylhydroquinone in the GESTIS substance database of the IFA , accessed on August 7, 2018(JavaScript required) .
  2. ^ A b Victor O. Sheftel: Indirect Food Additives and Polymers Migration and Toxicology . CRC Press, 2000, ISBN 978-1-4822-9382-1 , pp. 347 ( limited preview in Google Book search).
  3. ↑ Michael Bolgar, Jack Hubball, Joseph Groeger, Susan Meronek: Handbook for the Chemical Analysis of Plastic and Polymer Additives, Second Edition . CRC Press, 2015, ISBN 978-1-4398-6075-5 , pp. 166 ( limited preview in Google Book search).
  4. ↑ a b Entry on 2,5-di-tert-pentylhydroquinone in the Hazardous Substances Data Bank , accessed on August 7, 2018.
  5. ↑ BS Middleditch: Analytical Artifacts GC, MS, HPLC, TLC and PC . Elsevier, 1989, ISBN 978-0-08-085849-4 , pp. 291 ( limited preview in Google Book search).