1,4-diiodobutane

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Structural formula
Structural formula of 1,4-diiodobutane
General
Surname 1,4-diiodobutane
other names

Tetramethylene diiodide

Molecular formula C 4 H 8 I 2
Brief description

light yellow liquid

External identifiers / databases
CAS number 628-21-7
EC number 211-032-1
ECHA InfoCard 100.010.030
PubChem 12337
ChemSpider 11832
Wikidata Q60982558
properties
Molar mass 309.92 g mol −1
Physical state

liquid

density

2.350 g cm −3

Melting point

5-7 ° C

boiling point

108-110 ° C (10 mmHg)

solubility

practically insoluble in water

Refractive index

1.6212 (20 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 315-319
P: 280-264-305 + 351 + 338-321-332 + 313-337 + 313
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

  1. a b Data sheet 1,4-Diiodobutane, ≥99%, contains copper as stabilizer from Sigma-Aldrich , accessed on October 31, 2018 ( PDF ).
  2. 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) .
  3. ^ GB Heisig: 1,4-Diiodobutane from Tetrahydrofuran. In: Journal of the American Chemical Society. 61, 1939, p. 525, doi : 10.1021 / ja01871a507 .
  4. 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 .