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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