SPECIFICATIONS

MERCURIC OXIDE YELLOW ACS

Synonyms:				Mercury (II) Oxide; Mercuric Oxide Red;
					Mercuric Oxide Yellow

CAS No:					21908-53-2

Chemical Formula:				HgO

Formula Weight:				216.59

Description:					Yellow-orange to orange powder

Identification:				Positive

Solubility:					Insoluble in water, soluble in
						Nitric and Hydrochloric acid

Assay	(HgO):				> 99.0 % 

Insoluble in diluted			0.030 % maximum
hydrochloric acid:

Residue after reduction:			0.050 % maximum

Chloride (Cl):				0.025 % maximum

Sulfate (SO4):				0.01 % maximum

Nitrogen compounds (as N):		0.005 % maximum

Iron (Fe):					0.003 % maximum

Effective: 01/07/09