Description Catalogue Number 108881 Synonyms Zinc vitriol Description Zinc sulfate heptahydrate Product Information CAS number 7446-20-0 EC index number 030-006-00-9 EC number 231-793-3 Grade Ph Eur,BP,JP,USP,FCC Hill Formula O₄SZn * 7 H₂O Chemical formula ZnSO₄ * 7 H₂O Molar Mass 287.54 g/mol HS Code 2833 29 20 Physicochemical Information Density 1.97 g/cm3 (20 °C) Melting Point 100 °C pH value 4 - 6 (50 g/l, H₂O, 20 °C) Bulk density 800 - 1000 kg/m3 Solubility 965 g/l Toxicological Information LD 50 oral LD50 Rat 1260 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H302: Harmful if swallowed. H318: Causes serious eye damage. H410: Very toxic to aquatic life with long lasting effects. Precautionary Statement(s) P273: Avoid release to the environment. P280: Wear eye protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention. RTECS ZH5300000 Storage class 10 - 13 Other liquids and solids WGK WGK 3 highly 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 Dangerous for the environment Harmful Categories of danger harmful, irritant, dangerous for the environment R Phrase R 22-41-50/53 Harmful if swallowed.Risk of serious damage to eyes.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. S Phrase S 22-26-39-46-60-61 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets. Storage and Shipping Information Storage Store at +5°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 3077 , 9, III Declaration (transport by air) IATA-DGR UN 3077 , 9, III Declaration (transport by sea) IMDG-Code UN 3077 , 9, III, Marine Pollutant: P, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds)) Specifications Assay (complexometric) 99.0 - 102.0 % Identity passes test Appearance of solution passes test Free acid passes test pH-value (5 %; water) 4.4 - 5.6 Chloride (Cl) ≤ 0.0005 % Heavy metals (as Pb) ≤ 0.0010 % As (Arsenic) ≤ 0.0002 % Ca (Calcium) ≤ 0.005 % Cd (Cadmium) ≤ 0.0002 % Cu (Copper) ≤ 0.001 % Fe (Iron) ≤ 0.001 % Hg (Mercury) ≤ 0.0005 % Mg (Magnesium) ≤ 0.005 % Pb (Lead) ≤ 0.0004 % Se (Selenium) ≤ 0.003 % Residual solvents (ICH Q3C) excluded by manufacturing process Alkali- and alkaline earth metals (as sulphates) ≤ 0.5 % Loss on Drying (105°C) 35.5 - 38.5 % Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present, except for the main component. Corresponds to Ph Eur,BP,JP,USP,FCC
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