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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
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grade

ACS reagent

Quality Level

200

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

SMILES string

[Na+].[I-]

InChI

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

InChI key

FVAUCKIRQBBSSJ-UHFFFAOYSA-M

General description

Sodium iodide is a water soluble iodide salt.

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.

Other Notes

Go to Redi-Dri™ Product Listing 746371

Legal Information

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

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flash_point_f

Not applicable

flash_point_c

Not applicable

target_organs

Thyroid

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT RE 2 Oral

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

383112-2.5KG:4.548173988276E12 + 383112-500G:4.548173988283E12 + 383112-100G:4.548173988269E12

jan

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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)
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)
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)
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