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Description
Catalogue Number	108849

Physicochemical Information
Density	5.68 g/cm3 (22 °C)
Melting Point	1975 °C
pH value	6.72 (H₂O) (slurry)
Bulk density	200 – 700 kg/m3
Solubility	0.0016 g/l insoluble

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P273: Avoid release to the environment. P391: Collect spillage. P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Warning
RTECS	ZH4810000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 2 obviously hazardous to water
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
Categories of danger	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, ZnO calculated on ignited substance)	99.0 – 100.5 %
Assay (complexometric, ZnO)	≥ 99.0 %
Identity	passes test
Carbonate and color of solution	passes test
Substances insoluble in diluted sulfuric acid	≤ 0.01 %
Free Alkali	passes test
Chloride (Cl)	≤ 0.001 %
Nitrate (NO₃)	≤ 0.003 %
Sulfur compounds (as SO₄)	≤ 0.01 %
Total nitrogen (N)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.001 %
Cd (Cadmium)	≤ 0.0005 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.01 %
Mg (Magnesium)	≤ 0.005 %
Mn (Manganese)	≤ 0.0005 %
Na (Sodium)	≤ 0.001 %
Pb (Lead)	≤ 0.002 %
Substances reducing potassium permanganate (as O)	≤ 0.001 %
Loss on ignition (500 °C)	≤ 1.0 %

Merck 108849 0500 Zinc Oxide Gr For Analysis Acs,Reag. Ph Eur 500 ML.