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Potassium Iodide 99% AR Grade Reagent

Cas Number:7681-11-0
Formula: KI
Molar Mass:166
EC Number:231-659-4
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Potassium Iodide 99% AR Grade Reagent


Cas Number:7681-11-0

Formula: KI

Molar Mass:166

EC Number:231-659-4


Physicochemical properties:

White cubic crystal or powder. It is slightly hygroscopic in humid air, precipitates free iodine for a long time and turns yellow, and can form trace amounts of iodate. Light and moisture can accelerate decomposition. 1 g is dissolved in 0.7 ml of water, 0.5 ml of boiling water, 22 ml of ethanol, 8 ml of boiling ethanol, 51 ml of absolute ethanol, 8 ml of methanol, 7.5 ml of acetone, 2 ml of glycerol, and about 2.5 ml of ethylene glycol. Its aqueous solution is neutral or slightly alkaline and can dissolve iodine.


Usage:

A titration solution is prepared in a volumetric analysis iodometric method. Mediums such as Beredes, Modified White, MS and RM are prepared in haplotypes. Fecal examination, etc. Take a photo. Pharmaceutical.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

6.0~8.0

Transparency of solution

3 max

Insoluble in water,%

0.01 max

Iodate and Iodine(as IO3),%

0.002 max

Chloride and Bromide(as Cl),%

0.02 max

Sulfate(SO4),%

0.005 max

Phosphate(PO4),%

0.002 max

Nitrogen compounds(N),%

0.002 max

Sodium(Na),%  

0.1 max

Magnesium(Mg),%

0.002 max

Calcium(Ca),%

0.002 max

Iron(Fe),%

0.0003 max

Arsenic(As),%

0.00002 max

Barium(Ba),%

0.002 max

Heavy metals(as Pb),%

0.0005 max

Reducing matters

to pass test



Symbol 

Signal word 

Danger

Hazard statement

H372

Precautionary statements—Prevention

P260


P264


P270

Precautionary statements—Response

P314

UN No.

No information



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