1,1-diiodoethane
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 1,1-diiodoethane | |||||||||||||||
other names |
1,1-ethylidene diiodide |
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Molecular formula | C 2 H 4 I 2 | |||||||||||||||
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properties | ||||||||||||||||
Molar mass | 281.8 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
2.84 g cm −3 |
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Melting point |
−60 ° C |
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boiling point |
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safety instructions | ||||||||||||||||
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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.
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
- ↑ a b c Dictionary of organic compounds, p. 2495 ( limited preview in Google book search).
- ^ 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).
- ↑ a b data sheet 1,1-diiodoethane from Sigma-Aldrich , accessed on May 12, 2011 ( PDF ).
- ↑ 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 .
- ↑ F. Arndt: Nitrosomethylurea In: Organic Syntheses . 15, 1935, p. 48, doi : 10.15227 / orgsyn.015.0048 ; Coll. Vol. 2, 1943, p. 461 ( PDF ).
- ↑ F. Arndt: Diazomethane In: Organic Syntheses . 15, 1935, p. 3, doi : 10.15227 / orgsyn.015.0003 ; Coll. Vol. 2, 1943, p. 156 ( PDF ).
- ^ 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).