Melting point :993 °C (lit.)
Boiling point :1700 °C
Density :1.02 g/mL at 20 °C
vapor pressure :1.4 mm Hg ( 0 °C)
refractive index :1.336
Flash point :1704°C
storage temp. :2-8°C
solubility :H₂O: 0.5 M at 20 °C, clear, colorless
form :powder
color :White to off-white
Specific Gravity :2.558
PH :7.0-10.0 (25℃, 0.5M in H2O)
Odor :Odorless
Water Solubility :4 g/100 mL (25 ºC)
Sensitive :Hygroscopic
Crystal Structure :NaCl type
crystal system :Cube
Merck :14,8618
Space group :Fm3m
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.4633	0.4633	0.4633	90	90	90	0.09945

Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 Stability :Stable. Hydrolyzed by water. Reacts with mineral acids to generate highly toxic hydrogen fluoride. Incompatible with glass.
CAS DataBase Reference :7681-49-4(CAS DataBase Reference)
NIST Chemistry Reference :Sodium fluoride(7681-49-4)
EPA Substance Registry System :Sodium fluoride (7681-49-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.