پتاسیم دی هیدروژن فسفات 104871 مرک

پتاسیم دی هیدروژن فسفات 104871 مرک Potassium dihydrogen phosphate 104871 merck cryst., EMPROVE(r) ESSENTIAL Ph Eur,BP,JPC,NF,E 340 Description Catalogue Number 104871 Synonyms mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic Product Information CAS number 7778-77-0 EC number 231-913-4 Grade Ph Eur,BP,JPC,NF,E 340 Hill Formula H₂KO₄P Chemical formula KH₂PO₄ Molar Mass 136.08g/mol HS Code 2835 24 00 Physicochemical Information Density 2.33g/cm3 (21.5C) Melting Point 253C(decomposition) pH value 4.2-4.6 (20g/l, H₂O, 20C) Bulk density 1200kg/m3 Solubility 208g/l Toxicological Information LD 50 dermal LD50 Rabbit > 4640 mg/kg Safety Information according to GHS Precautionary Statement(s) P260: Do not breathe dust. RTECS TC6615500 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering 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). Safety Information S Phrase S 22 Do not breathe dust. Storage and Shipping Information Storage Store at +5C to +30C. 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 (alkalimetric, calculated on dried substance) 98.0 - 100.5% Assay (alkalimetric; dried substance) 99.0% Appearance of solution passes test Identity passes test Insoluble substances 0.2% pH-value (1 %; water) 4.2 - 4.8 pH-value (2 %; water) 4.2 - 4.6 pH-value (5 %; water) 4.2 - 4.5 Carbonate passes test Condensed phosphate passes test Chloride (Cl) 0.009% Fluoride (F) 0.0010% Sulphate (SO₄) 0.017% Heavy metals (as Pb) 0.0010% Al (Aluminium) 0.0005% As (Arsenic) 0.0001% Cd (Cadmium) 0.0001% Fe (Iron) 0.0010% Hg (Mercury) 0.0001% Na (Sodium) 0.1% passes test Pb (Lead) 0.0001% Residual solvents (ICH Q3C) excluded by manufacturing process Reducing substances passes test Loss on drying (105 C) 0.5% Loss on drying (130 C) 1.0% Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present. The product is tested according to all analytical parameters of the declared pharmacopeias including the limits for parenteral use. Corresponds to Ph Eur, BP, JPC, NF, E 340 Conforms to the purity criteria on food additives according to the current European Commission Regulation.