Skip to content
Inorganic Salts

Mercuric Oxide Yellow AR/ACS

RA001797 CAS 21908-53-2 AR/ACS

Identity

Product code
RA001797
CAS number
21908-53-2
Grade
AR/ACS
Purity
99.3%
Molecular formula
HgO
Molecular weight
216.59

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Orange red to yellow —
Odour Odorless —
Melting point/ Freezing point [°C] 500 °C °C
Evaporation rate 0.6 —
Density [g/cm3] 11.14 g/cm3 g/cm3
Solubility in water [% weight] Insoluble —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance Yellowish orange fine powder — —
Assay 99.3 - 100.5 % % complexometric
Substance insoluble in HCl Max 0.03 % % —
Chloride (Cl) Max 0.025 % % —
Sulphate (SO4) Max 0.01 % % —
Niitrogen compounds (N) Max 0.005 % % —
Iron (Fe) Max 0.003 % % —
Residue after reduction Max 0.05 % % —

2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
50 g RA001797-PK-50G
100 g RA001797-PK-100G
500 g RA001797-PK-500G