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1.72576 SAFC

Sodium fluoride

extra pure, for table water

Synonym: Sodium fluoride

  • CAS Number 7681-49-4

  • Empirical Formula (Hill Notation) FNa

  • Molecular Weight 41.99

  •  MDL number MFCD00003524

  •  EC Index Number 231-667-8

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Properties

Related Categories APIs (Active Pharmaceutical Ingredients) and Excipients, Biopharmaceutical Process Development and Manufacturing, Excipients, Liquid Dosage Forms, Mineral Salts More...
Quality Level   300
vapor pressure   1 hPa ( 1077 °C)
potency   148.5 mg/kg LD50, oral (Rat)
pH   10.2 (20 °C, 40 g/L in H2O)
mp   996 °C
solubility   soluble 42 g/L
density   2.8 g/cm3 at 20 °C
InChI   1S/FH.Na/h1H;/q;+1/p-1
InChI key   PUZPDOWCWNUUKD-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Appearance: White powder
Assay (precipitative titration, calculated on dried substance): 98.5 - 100.5 %
Identity: passes test
Appearance of solution (2.5 %, water): clear and colourless
Alkalinity (as NaOH): ≤ 1000 mg/kg
Acidity (as HF): ≤ 2000 mg/kg
Bromide (Br) (IC): ≤ 15 mg/kg
Chloride (Cl): ≤ 100 mg/kg
Hexafluorosilicate (SiF₆): ≤ 1000 mg/kg
Iodide (I): ≤ 20 mg/kg
Nitrate (NO₃): ≤ 40 mg/kg
Phosphate (PO₄): ≤ 15 mg/kg
Sulfate (SO₄): ≤ 100 mg/kg
Heavy metals (as Pb): ≤ 30 mg/kg
As (Arsenic): ≤ 1 mg/kg
Cu (Copper): ≤ 10 mg/kg
Fe (Iron) (ICP OES): ≤ 50 mg/kg
Hg (Mercury): ≤ 1 mg/kg
Pb (Lead): ≤ 30 mg/kg
Se (Selenium): ≤ 30 mg/kg
Zn (Zinc): ≤ 25 mg/kg
Organic volatile impurities (USP): conforms
Odour and taste: not testet, typical properties
Loss on drying (150 °C, 4 h): ≤ 0.5 %

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