Sodium Fluoride 1Kg
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106449.1000
Stock: In Stock
Description
| Catalogue Number | 106449 |
| Replaces | SX0550-5 |
Product Information
| CAS number | 7681-49-4 |
| EC index number | 009-004-00-7 |
| EC number | 231-667-8 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | FNa |
| Chemical formula | NaF |
| Molar Mass | 41.98 g/mol |
| HS Code | 2826 19 10 |
Physicochemical Information
| Density | 2.8 g/cm3 (20 °C) |
| Melting Point | 996 °C |
| pH value | 10.2 (40 g/l, H₂O, 20 °C) |
| Vapor pressure | 1 hPa (1077 °C) |
| Solubility | 42 g/l soluble |
Toxicological Information
| LD 50 oral | LD50 Rat 148.5 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (precipitative titration) | ≥ 99.5 % |
| In water insoluble matter | ≤ 0.01 % |
| Free alkali (as NaOH) | ≤ 0.04 % |
| Free acid (as hydrofloric acid) | ≤ 0.05 % |
| Chloride (Cl) | ≤ 0.003 % |
| Hexafluorosilicate (SiF₆) | ≤ 0.075 % |
| Sulfate (SO₄) | ≤ 0.01 % |
| Sulfite (SO₃) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Ca (Calcium) | ≤ 0.004 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.002 % |
| K (Potassium) | ≤ 0.02 % |
| Loss on drying (150 °C, 4 h) | ≤ 0.2 % |
