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1.04935.5000 POTASSIUM CHLORIDE MERCK
Description
Catalogue Number 104935
Product Information
CAS number 7447-40-7
EC number 231-211-8
Grade Ph Eur,BP,JP,USP,FCC,E 508
Hill Formula ClK
Chemical formula KCl
Molar Mass 74.56 g/mol
HS Code 3105 10 00
Quality Level MQ500
Physicochemical Information
Boiling point 1413 °C (1013 hPa)
Density 1.98 g/cm3 (20.0 °C)
Melting Point 770 °C
pH value 5.5 - 8.5 (50.0 g/l, H₂O, 20.0 °C)
Bulk density 1000 kg/m3
Solubility 347 g/l
Toxicological Information
LD 50 oral LD50 Rat 2600 mg/kg
Safety Information according to GHS
RTECS TS8050000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
Storage and Shipping Information
Storage Store at +15°C to +25°C.
Transport Information
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by air) IATA-DGR No Dangerous Good
Declaration (transport by sea) IMDG-Code No Dangerous Good
Specifications
Assay (argentometric; calculated on dried substance) 99.0 - 100.5 %
Assay (argentometric; dried substance) 99.0 - 101.0 %
Identity passes test
Appearance of solution passes test
Free acid, free alkali passes test
Acidity or alkalinity passes test
Bromide (Br)
passes test
≤ 0.1 %
Bromide, Iodide (Br,I) passes test
Iodide (I)
passes test
≤ 0.005 %
Sulfate (SO₄) ≤ 0.01 %
Heavy metals (as Pb) ≤ 0.00050 %
Al (Aluminium) ≤ 0.00010 %
As (Arsenic) ≤ 0.0001 %
Cd (Cadmium) ≤ 0.0001 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Na (Sodium) ≤ 0.05 %
Na (sodium) passes test
Pb (Lead)* ≤ 0.0002
Ca + Mg (calcium and magnesium) passes test
Magnesium and alkaline-earth metals (as Ca) ≤ 0.0200 %
Residual solvents (ICH Q3C) excluded by production process
Loss on drying (130 °C, 3 h) ≤ 0.5 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur, BP, JP, USP, FCC, E 508
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
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