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14439

Sigma-Aldrich

Zinc oxide

puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% (calc. for dried substance)

Linear Formula:
ZnO
CAS Number:
Molecular Weight:
81.39
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

puriss.

Quality Level

assay

99-100.5% (calc. for dried substance)

form

powder

quality

meets analytical specification of Ph. Eur., BP, USP

impurities

alkalic reac. Impurities, complies
carbonate and in acis insoluble substances, complies
iron and other heavy metals, complies
residue of solvents, complies
≤0.005% KMnO4 red. matter (as O)

loss

≤1% loss on ignition, 500 °C

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

As: ≤3 mg/kg
Cd: ≤10 mg/kg
Fe: ≤10 mg/kg
Pb: ≤50 mg/kg

suitability

complies for carbonate and color of the solution

SMILES string

O=[Zn]

InChI

1S/O.Zn

InChI key

XLOMVQKBTHCTTD-UHFFFAOYSA-N

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General description

Zinc oxide is a wide-band-gap semiconductor having various technological applications. It is known to exhibit n-type conductivity. It has semiconducting and piezoelectric dual properties. Its structure has number of alternating planes composed of tetrahedrally coordinated O2- and Zn2+ ions, stacked alternately along the c-axis. This tetrahedral coordination in ZnO is responsible for its noncentral symmetric structure and consequently imparts piezoelectric and pyroelectric properties. Nanocombs, nanorings, nanohelixes/nanosprings, nanobelts, nanowires and nanocages of ZnO have been synthesized by a solid-vapor phase thermal sublimation technique.
Zinc oxide nanoparticles can serve as potential agents to suppress anti-cancer cells and also find applications in drug delivery. They can also act like metal oxide semiconductor nanomaterials in solar cells.

Application

Zinc oxide may be employed as catalyst to investigate the mechanism of methanol synthesis. It has various semiconductor device and phosphor applications.4
Employed in the preparation of NaZnSiO3OH, a novel chiral framework material which has potential application in ion exchange, adsorption or catalysis.

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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