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71710 Sigma-Aldrich

Sodium iodide

puriss. p.a., ≥99.0% (AT)

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a.,
vapor density   >1 (vs air)
InChI Key   FVAUCKIRQBBSSJ-UHFFFAOYSA-M
grade   puriss. p.a.
assay   ≥99.0% (AT)
impurities   ≤0.002% total nitrogen (N)
loss   ≤0.5% loss on drying, 110 °C
mp   661 °C (lit.)
solubility   water: soluble(lit.)
anion traces   bromide, chloride (as Cl-): ≤100 mg/kg
  iodate (IO3-): ≤2 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Zn: ≤1 mg/kg

Description

General description

Sodium iodide (NaI) is an inorganic salt. It can be prepared by reacting sodium carbonate with iron(II,III) iodide. Chlorotrimethylsilane/Sodium iodide in acetonitrile is a superior reagent than iodotrimethylsilane for the facile cleavage of esters, lactones, carbamates and ethers.

Application

Sodium iodide (NaI) may be used in the preparation of sodium hydroxide-sodium iodide reagent for the modified Winkler method for the determination of dissolved oxygen. It may be used in the preparation of methylene iodide.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
1
RTECS 
WB6475000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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