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7681-49-4
bosschem
7681-49-4
Sodium fluoride Basic information | |
Product Name: | Sodium fluoride |
CAS: | 7681-49-4 |
MF: | FNa |
MW: | 41.99 |
EINECS: | 231-667-8 |
Mol File: | 7681-49-4.mol |
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 |
PH | 7.0-10.0 (25℃, 0.5M in H2O) |
Odor | Odorless |
Water Solubility | 4 g/100 mL (25 ºC) |
Sensitive | Hygroscopic |
Merck | 148,618 |
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) |
Item | Spec. | Result |
Purity(NaF) | ≥99% | 99.56% |
SiO2 | ≤0.5 | 0.002 |
Acidity | ≤10 | Conformed |
Alkalinity | ≤4 | Conformed |
Water insoluble substance | ≤0.1 | 0.0087 |
Sulfate content | ≤0.05 | <0.003 |
Fluorosilicate content | ≤0.5 | 0.0013 |
Chloride content | ≤0.01 | <0.002 |
Pb | ≤0.005 | 0.00031 |
Fe | ≤0.005 | 0.00032 |
Sodium fluoride Basic information | |
Product Name: | Sodium fluoride |
CAS: | 7681-49-4 |
MF: | FNa |
MW: | 41.99 |
EINECS: | 231-667-8 |
Mol File: | 7681-49-4.mol |
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 |
PH | 7.0-10.0 (25℃, 0.5M in H2O) |
Odor | Odorless |
Water Solubility | 4 g/100 mL (25 ºC) |
Sensitive | Hygroscopic |
Merck | 148,618 |
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) |
Item | Spec. | Result |
Purity(NaF) | ≥99% | 99.56% |
SiO2 | ≤0.5 | 0.002 |
Acidity | ≤10 | Conformed |
Alkalinity | ≤4 | Conformed |
Water insoluble substance | ≤0.1 | 0.0087 |
Sulfate content | ≤0.05 | <0.003 |
Fluorosilicate content | ≤0.5 | 0.0013 |
Chloride content | ≤0.01 | <0.002 |
Pb | ≤0.005 | 0.00031 |
Fe | ≤0.005 | 0.00032 |