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Sodium iodide

Chemical  Reagent：Sodium iodide，anhydrous
Molecular  Formula：NaI
Molecular  Weight：149.80
Appearance and Properties：A white，odorless，salty，slightly bitter，deliquescent crystal or granule，gradually sets free iodine and goes yellow when exposed to air and/or light，dissolves in water，ethyl alcohol，glycerol and acetone，mp651℃。
Use：Used as an analytical reagent and an iodine solubility promoter,and to preparae monocrystal.
Packing：100g，500g，25kg，50kg。
Standard：Q/YSH 06-2000

SPECIFICATION	VALUE
SPECIFICATION	AR	CP
Assay %	≥ 99.0	≥ 98.5
Clarity	meet standard	meet standard
Chloride and Bromide %	≤ 0.03	≤ 0. 10
Sulfate （ SO4 ） %	≤ 0.01	≤ 0.05
Phosphate （ PO4 ） %	≤ 0.05	—
Iodate （ IO3 ） %	meet standard	meet standard
Thiosulfate （ S2O3 ） %	meet standard	meet standard
Heavy Metals （ as Pb ） %	≤ 0.0005	≤ 0.002
Iron （ Fe ） %	≤ 0.0005	≤ 0.002
Barium （ Ba ） %	≤ 0.001	—
Calcium and Magnesium （ Ca+Mg ） %	≤ 0.005	≤ 0.015
Nitrogen compounds （ N ） %	≤ 0.002	—
Free alkali （ as Na2CO3 ） %	≤ 0.02	≤ 0.05