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Sodium fluoride

Catalog Number
ACM7681494
CAS Number
7681-49-4
Product Name
Sodium fluoride
Structure
Category
Electrolytes; Ceramic Materials
Synonyms
Sodium fluoride;
Description
NaF is an inorganic chemical compound with the formula NaF. A colorless solid, it is a source of fluoride ions in diverse applications. Sodium fluoride is less expensive and less hygroscopic than the related salt potassium fluoride.
IUPAC Name
sodium;fluoride
Molecular Weight
41.988172g/mol
Molecular Formula
FNa
Canonical SMILES
[F-].[Na+]
InChI
InChI=1S/FH.Na/h1H;/q;+1/p-1
InChI Key
PUZPDOWCWNUUKD-UHFFFAOYSA-M
Boiling Point
3083 °F at 760 mm Hg (NTP, 1992);1704 °C;1700 °C;3099°F
Melting Point
993ºC
Flash Point
NotºConsidered to be a fire hazard
Density
2.558
Solubility
10 to 50 mg/mL at 73° F (NTP, 1992);4g/100mL;Insoluble in alcohol;Solubility in water 4.0 g/100 ml water at 15 °C. Solubility in water 4.3 g/100 ml water at 25 °C. Solubility in water 5.0 g/100 ml water at 100 °C;Solubility in water, g/100ml at 20 °C: 4.0;4%
Appearance
White odorless powder or crystal
Color/Form
Colorless, cubic or tetragonal crystals;White powder or colorless crystals [Note: Pesticide grade is often dyed blue].
Complexity
2
Covalently-Bonded Unit Count
2
EC Number
231-667-8
Exact Mass
41.988172g/mol
Formal Charge
0
Hazard Class
6.1
Heavy Atom Count
2
ICSC Number
0951
Log P
-2.99600
MeSH Entry Terms
Fluoride, Sodium;Fluorides, Sodium;Fluoristat;Fluoristats;Ossin;Ossins;Sodium Fluoride;Sodium Fluorides;Zymafluor;Zymafluors
Monoisotopic Mass
41.988172g/mol
NSC Number
77385
Odor
Odorless
Other Experimental
Aq soln have alkaline reaction caused by partial hydrolysis; aq soln etch glass;VP: 1 mm Hg at 1077 °C;All alkali fluorides, with the exception of the lithium salt, absorb hydrogen fluoride to form acid fluorides of the type MHF2 where M is the alkali metal.
Refractive Index
1.336
Rotatable Bond Count
0
RTECS Number
WB0350000
Stability
Stable. Hydrolyzed by water. Reacts with mineral acids to generate highly toxic hydrogen fluoride. Incompatible with glass.
Storage Conditions
2-8ºC
UNII
8ZYQ1474W7
UN Number
1690;1690;1690;1690;1690
Vapor Pressure
1.4 mm Hg ( 0 °C)
WGK Germany
1
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