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Description
Catalogue Number	108882
Synonyms	Sulfuric acid zinc salt monohydrate
Description	Zinc sulfate monohydrate

Physicochemical Information
Density	3.2 g/cm3 (20 °C)
pH value	4.0 – 5.6 (50 g/l, H₂O, 20 °C)
Bulk density	500 kg/m3
Solubility	350 g/l (anhydrous substance)

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)	P264: Wash skin thoroughly after handling. P273: Avoid release to the environment. P280: Wear eye protection/ face protection. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P391: Collect spillage.
Signal Word	Danger
Storage class	10 – 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
Disposal	15 Heavy metal-containing solutions and solids: container E. Stir Raney nickel (also: Urushibara nickel) in the form of an aqueous suspension into hydrochloric acid (Cat. No. 100312) until dissolved (container E). Neither Raney nickel itself nor any filter residues should be allowed to dry out, otherwise they will spontaneously ignite in air. In this context, heavy metal means any compound of antimony, arsenic, cadmium, chromium(VI), copper, lead, nickel and tin, as well as these subtances in metallic form, if they are classified as hazardous (acc. to AbfallverzeichnisV – Waste Catalogue Ordinance, Appendix 3). Other heavy metals should be collected separately.

Safety Information
Categories of danger	harmful, irritant, dangerous for the environment

Storage and Shipping Information
Storage	Store at +2°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 – 100.5 %
Identity	passes test
Appearance of solution	passes test
Free acid	passes test
pH-value (5 %; water)	4.0 – 5.6
Chloride (Cl)	≤ 0.005 %
As (Arsenic)	≤ 0.0003 %
Cd (Cadmium) (*)	≤ 0.0002
Cr (Chromium)	≤ 0.0005 %
Fe (Iron)	≤ 0.003 %
Hg (Mercury)	≤ 0.0005 %
Ni (Nickel) (*)	≤ 0.0005
Pb (Lead) (*)	≤ 0.001
Se (Selenium)	≤ 0.003 %
Tl (Thallium) (*)	≤ 0.0010 %
Alkali- and alkaline earth metals (as sulfate)	≤ 0.5 %
Residual solvents (ICH Q3C)	excluded by manufacturing process
Loss on Drying (105 °C)	≤ 1.0 %
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., USP

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