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Merck
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Key Documents

1.08849

Supelco

Zinc oxide

for analysis EMSURE® ACS,Reag. Ph Eur

Sinónimos:

Zinc oxide

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About This Item

Fórmula empírica (notación de Hill):
OZn
Número de CAS:
Peso molecular:
81.39
MDL number:
UNSPSC Code:
12352303
EC Index Number:
215-222-5
NACRES:
NA.21

grade

ACS reagent

Quality Level

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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Application


  • Triethyl phosphate (TEP) as a green solvent for solid-phase peptide synthesis (SPPS).: This study explores the use of triethyl phosphate as an environmentally friendly solvent for SPPS, highlighting its efficacy in improving peptide synthesis while minimizing environmental impact. The research demonstrates TEP′s potential to replace traditional solvents, thereby promoting greener chemistry practices in peptide production (Nandhini et al., 2024).

  • Utilizing Triethyl Phosphate to Increase the Solubility of Lithium Nitrate for Improved Silicon Anode Performance.: This study focuses on the use of triethyl phosphate to enhance the solubility of lithium nitrate in battery electrolytes, leading to better performance and stability of silicon anodes. The findings suggest significant improvements in battery life and efficiency (Rynearson & Rynearson, 2022).



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

signalword

Warning

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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