MERCUROUS SULFATE Property

Melting point:

decomposes [AES93]

Density 

7.56 g/mL at 25 °C(lit.)

solubility 

soluble in dilute HNO 3

form 

Powder

color 

White, pale yellow or beige

Water Solubility 

0.05g/100g H2O [KIR81]; soluble dilute HNO3 [MER06]

Merck 

13,5924

Solubility Product Constant (Ksp)

pKsp: 6.19

CAS DataBase Reference

7783-36-0(CAS DataBase Reference)

EPA Substance Registry System

Sulfuric acid, dimercury(1+) salt (7783-36-0)

Safety

Hazard Codes 

T+,N

Risk Statements 

26/27/28-33-50/53

Safety Statements 

13-28-45-60-61

RIDADR 

UN 1645 6.1/PG 2

WGK Germany 

3

RTECS 

OX0480000

F 

8

HazardClass 

6.1(a)

PackingGroup 

II

HS Code 

28521000

Hazardous Substances Data

7783-36-0(Hazardous Substances Data)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H373May cause damage to organs through prolonged or repeated exposure

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P262Do not get in eyes, on skin, or on clothing.

P280Wear protective gloves/protective clothing/eye protection/face protection.

MERCUROUS SULFATE Chemical Properties,Usage,Production

Chemical Properties

White, pale yellow or beige powder

Uses

For making electric batteries; with zinc sulfate in the standard Clark cell and with cadmium sulfate in the standard Weston cell.

General Description

White to yellow crystalline powder. Soluble in hot sulfuric acid, dilute nitric acid. Highly toxic.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

MERCUROUS SULFATE is incompatible with the following: Acetylene, ammonia, chlorine dioxide, azides, calcium (amalgam formation), sodium carbide, lithium, rubidium, copper .

Hazard

Highly toxic.

Purification Methods

The white-yellow powder is recrystallised from dilute H2SO4., dried in a vacuum under N2, and stored in the dark. Its solubility in H2O is 0.6% at 25o. It is hydrolysed by excessive washing with H2O to form the greenish-yellow basic salt Hg2SO4.Hg2O.H2O.