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Merck
CN

383112

Sodium iodide

ACS reagent, ≥99.5%

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About This Item

Linear Formula:
NaI
CAS Number:
7681-82-5
Molecular Weight:
149.89
NACRES:
NA.21
PubChem Substance ID:
329755667
UNSPSC Code:
12352302
EC Number:
231-679-3
MDL number:
MFCD00003532
Assay:
≥99.5%
Grade:
ACS reagent
Form:
chunks or granules
crystalline powder
powder or crystals

Key Documents

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Product Name

Sodium iodide, ACS reagent, ≥99.5%

InChI key

FVAUCKIRQBBSSJ-UHFFFAOYSA-M

InChI

1S/HI.Na/h1H;/q;+1/p-1

SMILES string

[Na+].[I-]

grade

ACS reagent

vapor density

>1 (vs air)

vapor pressure

~1 hPa ( 767 °C)

assay

≥99.5%

form

chunks or granules
crystalline powder
powder or crystals

impurities

≤0.002% N compounds
≤0.01% insolubles

pH

6.0-9.0 (25 °C, 5%)

mp

661 °C (lit.)

anion traces

Cl- and Br-: ≤0.01%
iodate (IO3-): ≤3 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%

cation traces

Ba: ≤0.002%
Ca: ≤0.002%
Fe: ≤5 ppm
K: ≤0.01%
Mg: ≤0.001%
heavy metals (as Pb): ≤5 ppm

Quality Level

200

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Application

Sodium iodide was used as a component in the preparation of Mayer′s hematoxylin stain solution.
It may be used in the following processes:
  • Precursor in the polymerization of butyl acrylate.
  • Chaotropic agent in the extraction of DNA.
  • Deprotecting agent in the removal of N-tert-butyloxycarbonyl group in amino acids.
  • Water-soluble fluorescence quenching reagent.

General description

Sodium iodide is a water soluble iodide salt.

Other Notes

Go to Redi-Dri™ Product Listing 746371

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ5278
MKCX9797
MKCX9798
MKCX8980
MKCX5704

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Poly(propyleneimine) Dendrimers as pH-Sensitive Controlled-Release Systems.
Pistolis G, et al.
Chemistry (Weinheim An Der Bergstrasse, Germany), 5(5), 1440-1444 (1999)
Sodium iodide as a novel, neutral and facile deprotecting reagent of N-tert-butyloxycarbonyl groups in peptide chemistry.
Ham J, et al. et al.
Protein and peptide letters, 5(5), 257-258 (1998)
Oxidative stress in the aging rat heart is reversed by dietary supplementation with (R)-a-lipoic acid.
Suh JH, et al.
Faseb Journal, 15(3), 700-706 (2001)
Isolation and characterization of mesenchymal stem cells.
Odabas SA, et al.
Bone Marrow and Stem Cell Transplantation., 1109, 47-63 (2014)
Use of sodium iodide as the precursor to the control agent in ab initio emulsion polymerization.
Tonnar J and Lacroix-Desmazes P.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 120(7), 1314-1317 (2008)
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