1,1-diiodopropane

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

1,1-propylidene diiodide

Molecular formula C 3 H 6 I 2
External identifiers / databases
CAS number 10250-52-9
PubChem 11254924
Wikidata Q161289
properties
Molar mass 295.8 g mol −1
Physical state

liquid

density

2.48 g cm −3

Melting point

−49 ° C

boiling point
  • 78–80 ° C (14 h Pa )
  • 181 ° C
safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1,1-Diiodopropane is a chemical compound that belongs to the halogen alkanes . It is isomeric to 1,2-diiodopropane , 1,3-diiodopropane and 2,2-diiodopropane .

presentation

1,1-Diiodopropane can be made from diazopropane and elemental iodine . The starting material for the production of the diazopropane is propylamine hydrochloride, which is converted into nitrosopropylurea.

Production of 1,1-diiodopropane from diazopropane

The preparation from 2-iodobutyric acid , iodine and lead (IV) acetate gives poor yields.

Production of 1,1-diiodopropane from 2-iodobutyric acid

properties

The critical temperature of 1,1-diiodopropane is 708.27  K , the critical pressure 42.06  bar . The enthalpy of vaporization at the boiling point is 39.178  kJ / mol.

Individual evidence

  1. ^ CL Yaws: Thermophysical properties of chemicals and hydrocarbons , 1st edition, p. 112, William Andrew Inc., New York, 2008 . ISBN 0-8155-1596-0 ( limited preview in Google Book Search).
  2. ^ A b c C. L. Yaws: Thermophysical properties of chemicals and hydrocarbons , 1st edition, p. 8, William Andrew Inc., New York, 2008 . ISBN 0-8155-1596-0 , ( limited preview in Google Book Search).
  3. ↑ Dictionary of organic compounds, p. 2500 ( limited preview in Google book search).
  4. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  5. ↑ a b R. C. 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 .
  6. ↑ F. Arndt: Nitrosomethylurea In: Organic Syntheses . 15, 1935, p. 48, doi : 10.15227 / orgsyn.015.0048 ; Coll. Vol. 2, 1943, p. 461 ( PDF ).
  7. ↑ F. Arndt: Diazomethane In: Organic Syntheses . 15, 1935, p. 3, doi : 10.15227 / orgsyn.015.0003 ; Coll. Vol. 2, 1943, p. 156 ( PDF ).
  8. ^ Carl L. Yaws: "Thermophysical properties of chemicals and hydrocarbons", 1st edition, p. 315, William Andrew Inc., New York, 2008 . ISBN 0-8155-1596-0 , ( limited preview in Google Book Search).