1.06449

Sodium fluoride

for analysis EMSURE^® Reag. Ph Eur

• Synonym(s): Sodium fluoride
• Empirical Formula (Hill Notation): FNa
• CAS Number: 7681-49-4
• Molecular Weight: 41.99
• MDL number: MFCD00003524
• UNSPSC Code: 12352302
• EC Index Number: 231-667-8
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. ISO; reag. Ph. Eur.
• vapor pressure: 1 hPa ( 1077 °C)
• product line: EMSURE^®
• assay: ≥99.5% (precipitation titration)
• form: crystals
• potency: 148.5 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.01% In water insoluble matter; ≤0.04% Free alkali (as NaOH); ≤0.05% Free acid (as hydrofloric acid)
• loss: ≤0.2% loss on drying, 150 °C, 4 h
• pH: 10.2 (20 °C, 40 g/L in H₂O)
• mp: 996 °C
• density: 2.8 g/cm³ at 20 °C
• anion traces: chloride (Cl^-): ≤0.003%; hexafluorosilicate (SiF₆^2-): ≤0.075%; sulfate (SO₄^2-): ≤0.01%; sulfite (SO₃^2-): ≤0.005%
• cation traces: Ca: ≤0.004%; Cu: ≤0.0002%; Fe: ≤0.002%; K: ≤0.02%; excess alkali (as NaOH): ≤0.04%; heavy metals (as Pb): ≤0.001%
• storage temp.: 2-30°C
• InChI: 1S/FH.Na/h1H;/q;+1/p-1
• InChI key: PUZPDOWCWNUUKD-UHFFFAOYSA-M

Description

Linkage

Replaces: SX0550-5

Analysis Note

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 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS06
• signalword: Danger
• hcodes: H301 - H315 - H319
• pcodes: P264 - P280 - P301 + P310 - P302 + P352 - P305 + P351 + P338 - P332 + P313
• Hazard Classifications: Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2
• supp_hazards: EUH032
• Storage Class: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable