Natrium fluoride Luride-SF Fluorocid
Sodium fluoride Chemical Properties |
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 | ||||||||||||||
Fp | 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 | ||||||||||||||
Odor | Odorless | ||||||||||||||
PH | 7.0-10.0 (25℃, 0.5M in H2O) | ||||||||||||||
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 |
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Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
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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) |
Safety Information |
Hazard Codes | T,Xn |
Risk Statements | 25-32-36/38-22 |
Safety Statements | 23-24/25-45-36-22 |
RIDADR | UN 1690 6.1/PG 3 |
OEB | B |
OEL | TWA: 2.5 mg/m3 [*Note: The REL also applies to other inorganic, solid fluorides (as F).] |
WGK Germany | 1 |
RTECS | WB0350000 |
F | 10 |
Hazard Note | Toxic/Hygroscopic |
TSCA | Yes |
HS Code | 2826 19 10 |
HazardClass | 6.1 |
PackingGroup | III |
Hazardous Substances Data | 7681-49-4(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 0.18 g/kg (Smyth) |
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