Silver(I) sulfate

Molecular Structure:

Molecular Formula: Ag₂O₄S
Molecular Weight: 311.799
IUPAC Name: Disilver sulfate
Synonyms of Silver sulfate (CAS NO.10294-26-5): Disilver monosulfate ; Disilver sulfate ; Disilver(1+) sulfate ; EINECS 233-653-7 ; Silver sulfate (Ag2SO4) ; Sulfuric acid silver salt (1:2) ; UNII-8QG6HV4ZPO ; Sulfuric acid, disilver(1+) salt ; Sulfuric acid, silver(1+) salt (1:2)
CAS NO: 10294-26-5
Classification Code: Inorganics ; Analytical Reagents for General Use ; Puriss p.a. ACS ; Q-S, Puriss p.a. ACS;S - ZChemical Synthesis ; SilverAnalytical Reagents ; Salt Solutions ; Volumetric Solutions ; Waste Water ; Water Test ; Salts ; Silver Salts ; SilverMetal and Ceramic Science ; Catalysis and Inorganic Chemistry ; Chemical Synthesis ; Silver ; S - ZAnalytical Reagents ; Analytical Reagents ; ACS GradeChemical Synthesis ; Essential Chemicals ; Routine Reagents
Melting point: 652 °C
Enthalpy of Vaporization: 62.94 kJ/mol
Boiling Point: 330 °C at 760 mmHg
Vapour Pressure: 3.35E-05 mmHg at 25°C

 Silver sulfate (CAS NO.10294-26-5) is prepared by adding sulfuric acid to a solution of silver nitrate:
    2 Ag⁺(aq) + SO₄^2-(aq) → Ag₂SO₄ (s)
The precipitate is then washed with hot water and preparation is under ruby red illumination.

Hazard Codes of Silver sulfate (CAS NO.10294-26-5): Xi,C
Risk Statements: 36/37/38-35 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R35: Causes severe burns.
Safety Statements: 26-45-36/37/39-30 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S30: Never add water to this product.
RIDADR: UN 1830 8/PG 2
WGK Germany: 3
F: 8
HS Code: 28432900