TIN(II) FLUORIDE - (7783-47-3)

introduction

prénom: tin(II) fluoride
* IUPAC
Numero CAS: 7783-47-3
Formule chimique: SnF2
Masse molaire: 156.7068064 g
Pourcentage de masse: Sn 75.752 %; F 24.247 % 

Classification

Usages / Fonction

• "used in toothpaste" 1

• "Dental caries prophylactic." 2

Propriétés physiques

Point de fusion:*
213°C 3 = 486.15 K = 415.4°F
Point d'ébullition:*
850°C 3 = 1123.15 K = 1562°F
Densité (g/cm3):
4.57 at room temperature/pressure 3
* - 1 atm pressure

Solubilité

Qualitatif:
insoluble:  • • 3
soluble:  3

Bonding

Bonding: ionic
Ionic Character: 61.21 %

Information de sécurité

NFPA 704 Ratings:
Health: 1 - Exposure would cause irritation with only minor residual injury.
Flammability: 0 - Will not burn.
Reactivity: 0 - Normally stable, even under fire exposure conditions, and is not reactive with water.

Pour plus d'informations

Wikipédia
Journaux:
Alan R. Dahl and Ernest Hodgson, Science 197, 1376-1378 (1977)

Sources

(1) - Whitten, Kenneth W., Davis, Raymond E., and Peck, M. Larry. General Chemistry 6th ed.; Saunders College Publishing: Orlando, FL, 2000; p 946.
(2) - The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 13th ed.; Budavari, S.; O'Neil, M.J.; Smith, A.; Heckelman, P. E.; Kinneary, J. F., Eds.; Merck & Co.: Whitehouse Station, NJ, 2001; entry 8862.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 4-90.