1.08849

Zinc oxide

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Zinc oxide
• Empirical Formula (Hill Notation): OZn
• CAS Number: 1314-13-2
• Molecular Weight: 81.39
• MDL number: MFCD00011300
• EC Index Number: 215-222-5

Properties

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥99.0% (complexometric); 99.0-100.5% ZnO basis (complexometric)
• form: solid
• potency: >5000 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.001% Substances reducing potassium permanganate (as O); ≤0.01% Substances insoluble in diluted sulfuric acid
• loss: ≤1.0% loss on ignition, 500 °C
• pH: 7 (20 °C, 50 g/L in H₂O, slurry)
• mp: 1975 °C
• solubility: insoluble 0.0016 g/L
• density: 5.61 g/cm³ at 20 °C
• bulk density: 200‑700 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%; nitrate (NO₃^-): ≤0.003%; sulfur compounds (as SO₄^2-): ≤0.01%
• cation traces: As: ≤0.0001%; Ca: ≤0.001%; Cd: ≤0.0005%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.01%; Mg: ≤0.005%; Mn: ≤0.0005%; N: ≤0.0005%; Na: ≤0.001%; Pb: ≤0.002%; excess alkali:, passes test
• storage temp.: 2-30°C
• InChI: 1S/O.Zn
• InChI key: XLOMVQKBTHCTTD-UHFFFAOYSA-N

Description

Packaging

500 , 500 g

1 kg in Plastic bottle

25 kg in Fibre carton

Analysis Note

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 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS09
• Signal Word: Warning
• Hazard Statements: H410
• Precautionary Statements: P273 - P391 - P501
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable