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1.04820.1000 POTASSIUM ACETATE MERCK
Description
Catalogue Number 104820
Product Information
CAS number 127-08-2
EC number 204-822-2
Grade Ph Eur,BP,JPE,E 261
Hill Formula C₂H₃KO₂
Chemical formula CH₃COOK
Molar Mass 98.15 g/mol
HS Code 2915 29 00
Structure formula Image Structure formula Image
Quality Level MQ500
Physicochemical Information
Density 1.570 g/cm3
Melting Point 292 °C
pH value 7.0 - 9 (98.2 g/l, H₂O, 25 °C)
Vapor pressure <0.0000001 hPa (25 °C)
Bulk density 500 kg/m3
Solubility 2530 g/l
Toxicological Information
LD 50 oral LD50 Rat 3250 mg/kg
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Storage and Shipping Information
Storage Store at +15°C to +25°C.
Specifications
Assay (perchloric acid titration, calculated on dried substance) 99.0 - 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 7.5 - 8.5
Chloride (Cl) ≤ 0.01 %
Sulfate (SO₄) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.0004 %
Al (Aluminium) ≤ 0.0001 %
As (Arsenic) ≤ 0.0002 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Na (Sodium) ≤ 0.5 %
Pb (Lead) ≤ 0.0002 %
free acetic acid ≤ 0.4 %
Other residual solvents (ICH Q3C) excluded by manufacturing process
Substances reducing potassium permanganate (as HCOOH) passes test
Loss on Drying (105 °C) ≤ 3.0 %
formic acid, formate and other oxidizable impurities ≤ 0.1 %
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, JPE, E261
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
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