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03129 Sigma-Aldrich

Sodium iodide

puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% (calc. to the dried substance)

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
vapor density   >1 (vs air)
InChI Key   FVAUCKIRQBBSSJ-UHFFFAOYSA-M
grade   puriss.
assay   99-100.5% (calc. to the dried substance)
quality   meets analytical specification of Ph. Eur., BP, USP
impurities   alkalic reac. Impurities, complies
  barium and thiosulfate, complies
  organic volatile impurities, complies (GC)
  residual solvents, in accordance
  ≤0.0005% heavy metals (as Pb)
  ≤0.003% total nitrogen (N)
  ≤0.005% thiosulfate (S2O3)
  ≤0.02% free alkali (as NaOH)
  ≤2% water (Karl Fischer)
loss   ≤2% loss on drying, 105 °C
mp   661 °C (lit.)
anion traces   bromide, chloride (as Cl-): ≤300 mg/kg
  iodate (IO3-): ≤2 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   Fe: ≤5 mg/kg
  K: ≤500 mg/kg
suitability   complies for appearance of solution

Description

General description

Sodium iodide is an inorganic salt. Mixture of chlorotrimethylsilane/sodium iodide in acetonitrile is a useful reagent for the cleavage of esters, lactones, carbamates and ethers.

Application

Sodium iodide 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 for the synthesis of coppersensor-1 (CS1), a membrane-permeable fluorescent dye used for imaging labile copper pools in biological samples.

Caution

may contain black particle through the manufacture

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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Certificate of Origin

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Protocols & Articles
Peer-Reviewed Papers
15

References

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