merck Calcium chloride dihydrate 500 g - MERCK 1.02382.0500

Catalogue Number 102382 Replaces CX0134; CX0130-1 CX0134-1; CX0134-3; CX0130; CX0130-6 Synonyms Calcium dichloride Product Information CAS number 10035-04-8 EC index number 017-013-00-2 EC number 233-140-8 Grade ACS,Reag. Ph Eur Hill Formula CaCl*2HO Molar Mass 147.01 g/mol HS Code 2827 20 00 Applications Application Calcium chloride dihydrate for analysis EMSURE ACS,Reag. Ph Eur. CAS 10035-04-8, pH 4.5 - 8.5 (50 g/l, HO, 20 C). Physicochemical Information Density 1.85 g/cm3 (20 C) Melting Point 176 C pH value 4.5 - 8.5 (50 g/l, HO, 20 C) Solubility 1280 g/l Specifications Assay (complexometric) 99.0 - 102.0 % Identity passes test Appearance of solution passes test Insoluble matter 0.01 % Acidity or alkalinity passes test pH-value (5 %; water, 25 C) 4.5 - 8.5 Sulphate (SO) 0.005 % Heavy metals (as Pb) 0.0005 % Al (Aluminium) 0.0001 % Ba (Barium) 0.003 % passes test Cu (Copper) 0.0005 % Fe (Iron) 0.0003 % K (Potassium) 0.01 % Mg (Magnesium) 0.005 % Na (Sodium) 0.01 % NH (Ammonium) 0.005 % Sr (Strontium) 0.05 % Magnesium and alkali metals 0.5 % Oxidizing substances (as NO) 0.003 % Corresponds to ACS, Reag. Ph Eur