1,4-diiodobutane
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 1,4-diiodobutane | ||||||||||||||||||
other names |
Tetramethylene diiodide |
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Molecular formula | C 4 H 8 I 2 | ||||||||||||||||||
Brief description |
light yellow liquid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 309.92 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
2.350 g cm −3 |
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Melting point |
5-7 ° C |
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boiling point |
108-110 ° C (10 mmHg) |
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solubility |
practically insoluble in water |
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Refractive index |
1.6212 (20 ° C) |
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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 . Refractive index: Na-D line , 20 ° C |
1,4-Diiodobutane is a chemical compound from the group of aliphatic , saturated halogenated hydrocarbons .
Extraction and presentation
1,4-Diiodobutane can be obtained by reacting tetrahydrofuran with iodine and phosphorus . It can also be prepared by reacting trimethyliodosilane with trimethyl- (4-iodobutoxy) silane.
properties
1,4-Diiodobutane is a light yellow liquid that is practically insoluble in water. The connection is stabilized with copper .
use
1,4-Diiodobutane is used as an additive to improve the performance of perovskite solar cells . It is also used as a crosslinking agent for the synthesis of anion exchange membranes from cellulose .
Individual evidence
- ↑ a b Data sheet 1,4-Diiodobutane, ≥99%, contains copper as stabilizer from Sigma-Aldrich , accessed on October 31, 2018 ( PDF ).
- ↑ a b c d e f g h i j data sheet 1,4-diiodobutane, 99%, stab. with copper at AlfaAesar, accessed on October 31, 2018 ( PDF )(JavaScript required) .
- ^ GB Heisig: 1,4-Diiodobutane from Tetrahydrofuran. In: Journal of the American Chemical Society. 61, 1939, p. 525, doi : 10.1021 / ja01871a507 .
- ↑ MG Voronkov, VE Puzanova u. a .: Cleavage of tetrahydrofuran by trimethyliodosilane. In: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24, 1975, p. 377, doi : 10.1007 / BF00925793 .