Merck
All Photos(2)

Documents

1.08849

Supelco

Zinc oxide

for analysis EMSURE® ACS,Reag. Ph Eur

Sign Into View Organizational & Contract Pricing

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

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
1.08846544906255750
vibrant-m

1.08849

Zinc oxide

vibrant-m

1.08846

Zinc oxide

vibrant-m

544906

Zinc oxide

vibrant-m

255750

Zinc oxide

assay

≥99.0% (complexometric), 99.0-100.5% ZnO basis (complexometric)

assay

-

assay

~80% Zn basis

assay

99.99% trace metals basis

solubility

insoluble 0.0016 g/L

solubility

-

solubility

-

solubility

-

Quality Level

300

Quality Level

500

Quality Level

200

Quality Level

200

pH

7 (20 °C, 50 g/L in H2O, slurry)

pH

7 (20 °C, 50 g/L in H2O, slurry)

pH

-

pH

-

impurities

≤0.001% Substances reducing potassium permanganate (as O), ≤0.01% Substances insoluble in diluted sulfuric acid

impurities

-

impurities

-

impurities

-

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

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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 3

1 of 3

Zinc oxide ReagentPlus®, powder, <5 μm particle size, 99.9%

Sigma-Aldrich

205532

Zinc oxide

Titanium(IV) oxide for analysis EMSURE® Reag. Ph Eur

Supelco

1.00808

Titanium(IV) oxide

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service