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1.08849

Supelco

Zinc oxide

for analysis EMSURE® ACS,Reag. Ph Eur

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Synonym(s):
Zinc oxide
Empirical Formula (Hill Notation):
OZn
CAS Number:
1314-13-2
Molecular Weight:
81.39
MDL number:
MFCD00011300
UNSPSC Code:
12352303
EC Index Number:
215-222-5
NACRES:
NA.21

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 SO42-): ≤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

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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

Pictograms

Environment
GHS09

Signal Word

Warning

Hazard Statements

H410

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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