3,6-dimethyl-4-octyne-3,6-diol

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Structural formula
Structural formula of 3,6-dimethyl-4-octyne-3,6-diol
Simplified structural formula of the stereoisomer mixture
General
Surname 3,6-dimethyl-4-octyne-3,6-diol
other names

Surfynol 82

Molecular formula C 10 H 18 O 2
Brief description

white solid

External identifiers / databases
CAS number 78-66-0
ECHA InfoCard 100.001.029
PubChem 6546
ChemSpider 6298
Wikidata Q27279084
properties
Molar mass 170.25 g mol −1
Physical state

firmly

Melting point

52-55 ° C

boiling point

135 ° C

solubility
  • soluble in water
  • very soluble in acetone, ethanol, benzene and tetrachloromethane
safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302-319
P: 264-270-280-301 + 312 + 330-305 + 351 + 338-337 + 313-501
Toxicological data

1400 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 .

3,6-Dimethyl-4-octyne-3,6-diol is a chemical compound from the group of diols with an additional C≡C triple bond . If not specified, it is more precisely a mixture of three stereoisomeric substances:

  • (3 R , 6 R ) -3,6-dimethyl-4-octyne-3,6-diol,
  • (3 S , 6 S ) -3,6-dimethyl-4-octyne-3,6-diol and
  • meso -3,6-dimethyl-4-octyne-3,6-diol.

Extraction and presentation

3,6-Dimethyl-4-octyne-3,6-diol can be obtained by reacting 3-methyl-1-pentyn-3-ol and 2-butanone in liquid ammonia and in the presence of potassium hydroxide .

properties

3,6-Dimethyl-4-octyne-3,6-diol is a white solid that is soluble in water.

use

3,6-Dimethyl-4-octyne-3,6-diol is used as a surfactant .

Individual evidence

  1. a b c d e f g h Entry on 3,6-dimethyl-4-octyne-3,6-diol at TCI Europe, accessed on December 4, 2018.
  2. ^ A b c Robert A. Lewis: Hawley's Condensed Chemical Dictionary . John Wiley & Sons, 2016, ISBN 978-1-119-19372-2 ( limited preview in Google Book Search).
  3. Google Patents: EP1808426A1 - Process for the preparation of alkynediols - Google Patents , accessed December 4, 2018.
  4. ^ MR Porter: Handbook of Surfactants . Springer, 2013, ISBN 978-1-4757-1293-3 , pp. 129 ( limited preview in Google Book search).