1,12-dodecanediol

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Structural formula
Structural formula of 1,12-dodecanediol
General
Surname 1,12-dodecanediol
other names
  • Dodecamethylene glycol
  • 1,12-dihydroxydodecane
  • Dodecane-1,12-diol
Molecular formula C 12 H 26 O 2
Brief description

white solid with a faint odor

External identifiers / databases
CAS number 5675-51-4
EC number 227-133-9
ECHA InfoCard 100,024,667
PubChem 79758
ChemSpider 72056
Wikidata Q26840882
properties
Molar mass 202.34 g mol −1
Physical state

firmly

density

1.032 g cm −3

Melting point

81.3 ° C

boiling point
  • 324 ° C
  • 188-190 ° C (12 mmHg)
solubility
  • very sparingly soluble in water (<1 g l −1 at 20 ° C)
  • soluble in ethanol and warm diethyl ether
safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1,12-dodecanediol is a chemical compound from the group of alkanediols .

Extraction and presentation

1,12-dodecanediol can be obtained biotechnologically by Escherichia coli . The compound can also be prepared by reducing lauryl lactone .

properties

1,12-dodecanediol is a flammable, hardly inflammable, crystalline, white solid with a faint odor, which is very sparingly soluble in water. Both hydroxy groups show a trans - conformation with respect to the hydrocarbon backbone.

use

1,12-dodecanediol is used in polyester polyols for polyurethanes, coatings and printing inks, adhesives, lastomers, polyesters and co-polyesters, polymer crosslinkers, pharmaceutical intermediates, fragrances.

Individual evidence

  1. a b c d e f g h i Entry on 1,12-dodecanediol in the GESTIS substance database of the IFA , accessed on December 2, 2018(JavaScript required) .
  2. a b c data sheet 1,12-dodecanediol, 99% from AlfaAesar, accessed on December 2, 2018 ( PDF )(JavaScript required) .
  3. Shan-Chi Hsieh, Jung-Hao Wang and a .: Production of 1-Dodecanol, 1-Tetradecanol, and 1,12-Dodecanediol through Whole-Cell Biotransformation in Escherichia coli. In: Applied and Environmental Microbiology. 84, 2018, doi : 10.1128 / AEM.01806-17 .
  4. M. d. Ahsan, Sihyong Sung et al. a .: Biosynthesis of Medium- to Long-Chain α, ω-Diols from Free Fatty Acids Using CYP153A Monooxygenase, Carboxylic Acid Reductase, and E. coli Endogenous Aldehyde Reductases. In: Catalysts. 8, 2018, p. 4, doi : 10.3390 / catal8010004 .
  5. Google Patents: WO2013116029A1 - Process for producing dodecane-1,12-diol by reduction of lauryl lactone produced from the oxidation of cyclododecanone - Google Patents , accessed on December 2, 2018
  6. N. Nakamura, S. Setodoi: 1,12-dodecanediol. In: Acta Crystallographica Section C Crystal Structure Communications. 53, 1997, p. 1883, doi : 10.1107 / S0108270197011918 .