Merck Potassium iodide, analytical reagent grade, Reag. ISO, Reag. Ph. Eur., ≥99.5%, Supelco, GR for Analysis, EMSURE, 1kg, plastic bottle, 1.05043.1000

CAS Number:     7681-11-0
EC Number:     231-659-4
Linear Formula:     KI
Molar Mass:     166.00 g/mol
MDL Number:     MFCD00011405
Beilstein/REAXYS Registry Number:     N/A
PubChem Substance ID:     N/A

Synonym(s):     KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI KI

Potassium iodide, analytical reagent grade, Reag. ISO, Reag. Ph. Eur., ≥99.5% assay, Merck, Supelco, GR for Analysis, EMSURE, 1kg, HDPE bottle, 1.05043.1000.

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 %

Corresponds to ISO, Reag. Ph. Eur.

Grade: Reagent grade

Quality Segment: 300

Agency: Reag. ISO, Reag. Ph. Eur.

Vapor pressure: 1 mmHg ( 745 °C)

Product line: EMSURE

Assay: ≥99.5% (silver nitrate titration), 99.5-100.5% dry basis (silver nitrate titration)

Form: solid

Potency: 2779 mg/kg LD50, oral (Rat)

Impurities: ≤0.001% Total nitrogen (N)

Loss: ≤0.1% loss on drying, 105 °C

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

Anion traces

Chloride, Bromide (as Cl)-: ≤0.01%

Iodate (IO3-): ≤0.0003%

Phosphate (PO43-): ≤0.001%

Sulfate (SO42-): ≤0.001%

Thiosulfate (S2O32-): passes test

Cation traces

As (Arsenic): ≤0.00001%

Ba (Barium): ≤0.002%

Ca (Calcium): ≤0.001%

Cu (Copper): ≤0.0002%

Fe (Iron): ≤0.0002%

Mg (Magnesium): ≤0.001%

N (Total Nitrogen): ≤0.001%

Na (Sodium): ≤0.03%

Pb (Lead): ≤0.0002%

Heavy metals (as Pb): ≤0.0005%

Storage temperature: 2-30°C

SMILES string [K+].[I-]

InChI 1S/HI.K/h1H;/q;+1/p-1

InChI key NLKNQRATVPKPDG-UHFFFAOYSA-M

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