آهن 2 سولفات هپتا هیدرات 103965 مرک

آهن 2 سولفات هپتا هیدرات 103965 مرک Iron(II) sulfate heptahydrate 103965 merck شرکت کیان پرتو تجهیز وارد کننده کلیه مواد شیمیایی آزمایشگاهی مرک آلمان Iron(II) sulfate heptahydrate for analysis EMSURE(r) ACS,ISO,Reag. Description Catalogue Number 103965 Replaces FX0260-1 Synonyms Iron vitriol Description Iron(II) sulfate heptahydrate Product Information CAS number 7782-63-0 Grade ACS,ISO,Reag. Ph Eur Hill Formula FeO₄S * 7H₂O Chemical formula FeSO₄ * 7H₂O Molar Mass 278.02g/mol HS Code 2833 29 80 Applications Application Iron(II) sulfate heptahydrate for analysis EMSURE(r) ACS,ISO,Reag. Ph Eur. CAS 7782-63-0, EC Number 233-336-3, chemical formula FeSO₄ * 7H₂O. Physicochemical Information Density 1.89g/cm3 (20C) Melting Point >60CElimination of water of crystallisation pH value 3-4 (50g/l, H₂O, 20C) Bulk density 600kg/m3 Solubility 400g/l Toxicological Information LD 50 oral LD50 Rat 319 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. RTECS NO8510000 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 Hazard Symbols Harmful Categories of danger harmful, irritant R Phrase R 22-36/38 Harmful if swallowed.Irritating to eyes and skin. Storage and Shipping Information Storage Store at +15C to +25C. Specifications Assay (manganometric) 99.5 - 102.0% Identity passes test Appearance of solution passes test Insoluble matter 0.01% pH-value (5 %; water) 3.0 - 4.0 Chloride (Cl) 0.0005% Phosphate (PO₄) 0.001% Total nitrogen (N) 0.001% Heavy metals as Pb 0.005% As (Arsenic) 0.0002% Ca (Calcium) 0.005% Cr (Chromium) 0.005% Cu (Copper) 0.001% Fe III (Iron III) 0.02% K (Potassium) 0.002% Mg (Magnesium) 0.002% Mn (Manganese) 0.05% Na (Sodium) 0.02% Ni (Nickel) 0.005% Pb (Lead) 0.0005% Zn (Zinc) 0.005% Substance not precipitated by ammonium hydroxide 0.1% Corresponds to ACS,ISO,Reag. Ph Eur