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1.06525 Supelco

Sodium iodate

for analysis EMSURE®

Synonym: Sodium iodate

  • CAS Number 7681-55-2

  • Empirical Formula (Hill Notation) INaO3

  • Molecular Weight 197.89

  •  MDL number MFCD00003533

  •  EC Index Number 231-672-5

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Properties

Quality Level   300
assay   ≥99.5% (iodometric)
form   solid
pH   5.8 (25 °C, 90 g/L in H2O)
solubility   81 g/L
density   4.28 g/cm3 at 20 °C
bulk density   1150 kg/m3
anion traces   bromide, bromate, chloride, chlorate (as Cl-): ≤0.02%
  iodide (I-): ≤0.002%
  sulfate (SO42-): ≤0.005%
cation traces   Cd: ≤ 0.00005%
  Cu: ≤ 0.0001%
  Fe: ≤ 0.001%
  K: ≤ 0.02%
  Mn: ≤ 0.00005%
  N: ≤ 0.002%
  Pb: ≤ 0.0002%
  Zn: ≤ 0.0001%
InChI   1S/HIO3.Na/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
InChI key   WTCBONOLBHEDIL-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (iodometric): ≥ 99.5 %
pH-value (5 %; water): 5 - 8
Chloride, Chlorate, Bromide, Bromate (as Cl): ≤ 0.02 %
Iodide (I): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.002 %
Cd (Cadmium): ≤ 0.00005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.02 %
Mn (Manganese): ≤ 0.00005 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0001 %

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

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