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Merck

746371

Sodium iodide

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%

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Fórmula lineal:
NaI
Número CAS:
7681-82-5
Peso molecular:
149.89
NACRES:
NA.21
PubChem Substance ID:
329765763
UNSPSC Code:
12352302
EC Number:
231-679-3
MDL number:
MFCD00003532
Assay:
≥99.5%
Grade:
ACS reagent, anhydrous
Form:
powder

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InChI key

FVAUCKIRQBBSSJ-UHFFFAOYSA-M

InChI

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

grade

ACS reagent, anhydrous

vapor density

>1 (vs air)

product line

Redi-Dri™

assay

≥99.5%

form

powder

quality

free-flowing

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

100

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General description

Sodium iodide is an inorganic sodium salt that is commonly used as a source of iodide ions in organic synthesis. It is used in the conversion of alkyl halides and sulfonates into alkyl iodides and aryl iodides via nucleophilic displacement reactions. Additionally, NaI is also used in combination with oxidizing agents for the iodination of organoboranes, phenols, and aromatic compounds.

Application

Sodium iodide can be used in the following:      
  • NaI-AlCl3 is used as a dehydrating agent in the Beckmann rearrangement of ketoximes to anilides.      
  • NaI-cerium chloride supported on silica gel is used as a catalyst for the synthesis of 2,3-dihydro-1H-1,5-benzodiazepines by the reaction of o-phenylenediamines and ketones.      
  • NaI-dichlorodimethylsilane catalytic system is used for the reduction of diarylmethanols to corresponding diarylmethanes.

Features and Benefits

  • Increased efficiency – Eliminates time and effort of loosening hardened powders     
  • Safety – Eliminates tools of force used to break up clumps
  • Ecology – Reduces waste as it does not stick to the packaging      
  • Economy – Faster preparation and solvation increase productivity and reduce costs      
  • Assured Quality – Excellent, expert-tested quality with no anti-caking agents      
  • Flexible volumes – Available from research amounts to scale-up quantities

Legal Information

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

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

Clase de almacenamiento

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

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Certificados de análisis (COA)

Lot/Batch Number
MKCM5156
MKCL9655
MKCC4244
MKCL0541
MKCK3335

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