Tin (IV) fluoride

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Crystal structure
Unit cell of tin (IV) fluoride
__ Sn 4+      __ F -
Crystal system

tetragonal

Space group

I 4 / mmm (No. 139)Template: room group / 139

General
Surname Tin (IV) fluoride
other names

Tin tetrafluoride

Ratio formula SnF 4
Brief description

colorless solid

External identifiers / databases
CAS number 7783-62-2
EC number 232-016-0
ECHA InfoCard 100.029.105
PubChem 134654
Wikidata Q204994
properties
Molar mass 194.70 g mol −1
Physical state

firmly

density

4.78 g cm −3

Melting point

705 ° C (sublimation)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302-312-332
P: 261-280-301 + 312 + 330
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Tin (IV) fluoride is an inorganic chemical compound of tin from the group of fluorides .

Extraction and presentation

Tin (IV) fluoride can be obtained by reacting tin (IV) chloride with hydrogen fluoride .

properties

Tin (IV) fluoride is a colorless, extremely hygroscopic solid that dissolves in water with strong hissing.

Like lead (IV) fluoride, the connection consists of SnF 6 octahedra which are linked to planar layers via common equatorial bridges with four SnF 6 octahedra each .

use

Tin (IV) fluoride is used as an additive to prevent tooth decay in toothpaste.

Individual evidence

  1. a b c d e data sheet Tin (IV) fluoride from Sigma-Aldrich , accessed on May 25, 2017 ( PDF ).
  2. a b c d Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 232.
  3. ^ AF Holleman , E. Wiberg , N. Wiberg : Textbook of Inorganic Chemistry . 101st edition. Walter de Gruyter, Berlin 1995, ISBN 3-11-012641-9 , p. 970.
  4. ^ Catherine E. Housecroft, Edwin C. Constable: Chemistry: An Introduction to Organic, Inorganic and Physical Chemistry . Pearson Education, 2010, ISBN 0-273-73308-7 , pp. 769 ( limited preview in Google Book search).