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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 |
