1,1-diiodoethane

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Structural formula
Structure of 1,1-diiodoethane
General
Surname 1,1-diiodoethane
other names

1,1-ethylidene diiodide

Molecular formula C 2 H 4 I 2
External identifiers / databases
CAS number 594-02-5
EC number 209-821-0
ECHA InfoCard 100.008.930
PubChem 68980
Wikidata Q161288
properties
Molar mass 281.8 g mol −1
Physical state

liquid

density

2.84 g cm −3

Melting point

−60 ° C

boiling point
  • 177-179 ° C
  • 61–61 ° C (16 h Pa )
safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302-315-319-335
P: 261-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1,1-Diiodoethane is a chemical compound that belongs to the halogen alkanes . It is a liquid with a boiling point of 177–179 ° C and a high density of 2.84 g · cm −3 . It is isomeric to 1,2-diiodoethane .

presentation

1,1-Diiodoethane can be made from diazoethane and elemental iodine . The starting material for the production of the diazoethane is ethylamine hydrochloride, which is converted into nitrosoethylurea.

Production of 1,1-diiodoethane from diazoethane

properties

The critical point of 1,1-diiodoethane is at a temperature of 723.89  K, a pressure of 47.83  bar and a volume of 317.5 ml · mol −1 . The enthalpy of vaporization at the boiling point is 40.882  kJ / mol.

Individual evidence

  1. a b c Dictionary of organic compounds, p. 2495 ( limited preview in Google book search).
  2. ^ A b C. L. Yaws: Thermophysical properties of chemicals and hydrocarbons , 1st edition, p. 6, William Andrew Inc., New York, 2008 . ISBN 0-8155-1596-0 ( limited preview in Google Book Search).
  3. a b data sheet 1,1-diiodoethane from Sigma-Aldrich , accessed on May 12, 2011 ( PDF ).
  4. RC Neuman Jr., ML Rahm: Synthesis and Nuclear Magnetic Resonance Spectra of Some 1-Halo-1-iodoalkanes , in: J. Org. Chem. , 1966 , 31 , pp. 1857-1859; doi : 10.1021 / jo01344a041 .
  5. F. Arndt: Nitrosomethylurea In: Organic Syntheses . 15, 1935, p. 48, doi : 10.15227 / orgsyn.015.0048 ; Coll. Vol. 2, 1943, p. 461 ( PDF ).
  6. F. Arndt: Diazomethane In: Organic Syntheses . 15, 1935, p. 3, doi : 10.15227 / orgsyn.015.0003 ; Coll. Vol. 2, 1943, p. 156 ( PDF ).
  7. ^ CL Yaws: Thermophysical properties of chemicals and hydrocarbons , 1st edition, p. 313, William Andrew Inc., New York, 2008 . ISBN 0-8155-1596-0 ( limited preview in Google Book Search).