Dioxolane

  • Glykolmethylenether
  • Glycol formal
  • 1.3 dioxacyclopentane
  • Formaldehyde - ethylene acetal

Volatile, colorless liquid

Liquid

1.06 g · cm -3

-26.4 ° C

74 ° C.

114 mbar ( 20 ° C)

Miscible with water

1.401 (20 ° C)

Risk

  • 3000 mg · kg -1 ( LD50, rat, oral)
  • 9040 mg · kg -1 ( LD50, Rabbit, transdermal)

-333.5 KJ / mol

Template: Infobox chemical / molecular formula search available

1,3-dioxolane is a chemical compound from the group of oxygen heterocycles and isomer to 1,2- dioxolane. One can regard the connection as a cyclic acetal.

Production and representation

1,3-dioxolane can be obtained by reaction of ethylene glycol with formaldehyde:

Properties

1,3-dioxolane is a volatile, colorless liquid that is miscible with water. The flash point (cc ) is -5 ° C, the ignition temperature of 245 ° C.

Use

1,3-dioxolane is used as the solvent and for the production of modified polyoxymethylenes.

8979
de