SODIUM FLUORIDE FOR ANALYSIS EMSURE

Code: 1064490250 D2-231

Analysis Note

Assay (precipitative titration): ≥ 99.5 %In water insoluble matter: ≤ 0.01 %Free alkali (as NaOH): ≤ 0.04 %Free acid (as hydrofloric acid): &#...


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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 Ê (Calcium): ≤ 0.004 %Cu (Copper): ≤ 0.0002 þ (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

Linkage

Replaces: SX0550-5

Packaging

50 kg in Fibre carton

1 kg in Plastic bottle

agencyreag. ISO, reag. Ph. Eur.
anion tracessulfate (SO42-): ≤0.01%, hexafluorosilicate (SiF62-): ≤0.075%, sulfite (SO32-): ≤0.005%, chloride (Cl-): ≤0.003%
assay≥99.5% (precipitation titration)
cation tracesFe: ≤0.002%, heavy metals (as Pb): ≤0.001%, excess alkali (as NaOH): ≤0.04%, K: ≤0.02%, Cu: ≤0.0002%, Ca: ≤0.004%
density2.8 g/cm3 at 20 °C
formcrystals
gradeACS reagent
impurities≤0.04% Free alkali (as NaOH), ≤0.01% In water insoluble matter, ≤0.05% Free acid (as hydrofloric acid)
InChI keyPUZPDOWCWNUUKD-UHFFFAOYSA-M
InChI1S/FH.Na/h1H;/q;+1/p-1
loss≤0.2% loss on drying, 150 °C, 4 h
mp996 °C
pH10.2 (20 °C, 40 g/L in H2O)
potency148.5 mg/kg LD50, oral (Rat)
product lineEMSURE®
Quality Level300
storage temp.2-30°C
vapor pressure1 hPa ( 1077 °C)
Cas Number7681-49-4
Hazard Class6.1
Un Number1690
Pack GroupIII
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