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1.05043 Supelco

Potassium iodide

for analysis EMSURE® ISO,Reag. Ph Eur

  • CAS Number 7681-11-0

  • Linear Formula KI

  • Molecular Weight 166.00

  •  MDL number MFCD00011405

  •  EC Index Number 231-659-4

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Properties

Quality Level   300
grade   Reag. Ph. Eur.
  reag. ISO
vapor pressure   1 mmHg ( 745 °C)
potency   2779 mg/kg LD50, oral (Rat)
pH   6.9 (20 °C, 50 g/L in H2O)
bp   1325 °C/1013 hPa
mp   681 °C (lit.)
solubility   1430 g/L
bulk density   1500 kg/m3
SMILES string   [K+].[I-]
InChI   1S/HI.K/h1H;/q;+1/p-1
InChI key   NLKNQRATVPKPDG-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (argentometric): ≥ 99.5 %
Assay (argentometric; calculated on dried substance): 99.5 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Alkaline impurities: passes test
pH-value (5 %; water): 6 - 8
Chloride and Bromide (as Cl): ≤ 0.01 %
Iodate (IO₃): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.001 %
Thiosulfate (S₂O₃): passes test
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.00001 %
Ba (Barium): ≤ 0.002 %
Ca (Calcium): ≤ 0.001 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.03 %
Pb (Lead): ≤ 0.0002 %
Reducing substances: passes test
Loss on Drying (105 °C): ≤ 0.1 %

Safety & Documentation

Safety Information

Protocols & Articles

Articles

Analytical Method: Analytical Quality Assurance, Standard for Bromine

Reagents: Cat.No. 102404  Potassium iodate, volumetric standard Cat.No. 105043  Potassium iodide for analysis Cat.No. 109072  Sulfuric acid 0.5 mol/l Cat.No. 109136  Sodium hydroxide solution 2 mol/l...

Analytical Method: Analytical Quality Assurance, Standard for Chlorine dioxide

Reagents: Cat.No. 102404  Potassium iodate, volumetric standard Cat.No. 105043  Potassium iodide for analysis Cat.No. 109072  Sulfuric acid 0.5 mol/l Cat.No. 109136  Sodium hydroxide solution 2 mol/l...

Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (DIN)

Reagents: Cat.No. 102404  Potassium iodate volumetric standard Cat.No. 105043  Potassium iodide for analysis Cat.No. 109072  Sulfuric acid 0.5 mol/l Cat.No. 109136  Sodium hydroxide solution 2 mol/l ...

Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (sodium hypochlorite solution)

Reagents: Cat.No. 100316  Hydrochloric acid 25 % for analysis Cat.No. 105614  Sodium hypochlorite solution (6 - 14 % active chlorine) Cat.No. 109147  Sodium thiosulfate solution 0.1 mol/l 0.1 N solut...

Analytical Method: Analytical Quality Assurance, Standard for Iodine

Reagents: Cat.No. 102404  Potassium iodate volumetric standard Cat.No. 105043  Potassium iodide for analysis Cat.No. 109072  Sulfuric acid 0.5 mol/l Cat.No. 109136  Sodium hydroxide solution 2 mol/l ...

Analytical Method: Analytical Quality Assurance, Standard for Monochloramine

Reagents for chlorine standard solution: Cat.No. 100316  Hydrochloric acid 25 % for analysis Cat.No. 105614  Sodium hypochlorite solution (6 - 14 % active chlorine) Cat.No. 109147  Sodium thiosulfate...

Analytical Method: Analytical Quality Assurance, Standard for Ozone

Reagents: Cat.No. 102404  Potassium iodate volumetric standard Cat.No. 105043  Potassium iodide for analysis Cat.No. 109072  Sulfuric acid 0.5 mol/l Cat.No. 109136  Sodium hydroxide solution 2 mol/l ...

Ask the Expert: How to Choose the Right Method for Microbial Testing in Infant Formula?

Infant formula and their ingredients are very sensitive foods which must be carefully microbiologically analyzed before release to market. Recent recalls of infant formula products due to microbial c...
Dr. Andreas Bubert
Senior Global Product Manager Culture Media F&B
Keywords: AGE, Culture media, Diseases, Environmental, Food & Beverage, Food Safety, Microbiology, Polymerase chain reaction, Polymerase chain reaction - quantitative, Sample preparations, Separation

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ISO 6579-1 for Salmonella Detection in the Food Chain

The International Organization for Standardization (ISO) published the new EN ISO 6579-1 standard in 2017, which specifies a horizontal method for the detection of Salmonella spp. in the food product...
Keywords: Culture media, Environmental, Microbiology

Salts EMSURE®, EMPLURA®

We offer a comprehensive portfolio of inorganic salts in two quality grades: EMSURE® and EMPLURA®. Our salts are manufactured under strictly controlled conditions mostly in our facilities at Darmstad...
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Thin Layer Chromatography Identification Test for Bupivacaine following European Pharmacopeia Monograph on Silica Gel G F 254 Plates

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Thin Layer Chromatography Identification Test for Dextromethorphan following European Pharmacopeia Monograph on Silica Gel G 254 Plates

Dextromethorphan is a drug of the morphinan class. It is a cough suppressant with sedative, dissociative, and stimulant properties (at higher doses) and it is the active ingredient in many over-the-c...
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