Skip to Content
Merck
CN

1.04466

Mercury(II) oxide

red, for analysis EMSURE®

Synonym(s):

Mercury(II) oxide

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
HgO
CAS Number:
Molecular Weight:
216.59
UNSPSC Code:
12352303
EC Index Number:
244-654-7
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (complexometric)
Form:
solid
Solubility:
0.052 g/L
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


vapor pressure

0.12 Pa ( 20 °C)

Quality Segment

product line

EMSURE®

assay

≥99.0% (complexometric)

form

solid

potency

18 mg/kg LD50, oral (Rat)

impurities

≤0.03% Substances insoluble in dilute hydrochloric acid

ign. residue

≤0.025% (substances not reducing by formic acid, as sulfate)

pH

6-7 (20 °C, 50 g/L in H2O, slurry)

mp

>400 °C (decomposition)

solubility

0.052 g/L

density

11.1 g/cm3 at 20 °C

bulk density

3000 kg/m3

anion traces

chloride (Cl-): ≤0.025%, sulfate (SO42-): ≤0.005%

cation traces

Cd: ≤0.0001%, Cu: ≤0.0005%, Fe: ≤0.01%, N: ≤0.005%, Pb: ≤0.0005%, Zn: ≤0.0005%

storage temp.

2-30°C

SMILES string

[Hg]=O

InChI

1S/Hg.O

InChI key

UKWHYYKOEPRTIC-UHFFFAOYSA-N

Analysis Note

Assay (complexometric): ≥ 99.0 %
Substances insoluble in dilute hydrochloric acid: ≤ 0.03 %
Chloride (Cl): ≤ 0.025 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.005 %
Cd (Cadmium): ≤ 0.0001 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.01 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.0005 %
Substances not reducing by formic acid (Residue on ignition, as sulfate): ≤ 0.025 %

Legal Information

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

Disclaimer

For U.S. Customers: Contains mercury; Do not place in trash - dispose according to local, state, or federal laws.


Still not finding the right product?

Explore all of our products under Mercury(II) oxide


signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

target_organs

Kidney

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

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?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library