Silver sulfate

CAS Number
10294-26-5
EC Number
233-653-7

What is Silver sulfate?

Silver sulfate (CAS 10294-26-5) is an inorganic silver salt.

Where is Silver sulfate used?

  • Water treatment: catalyst and masking agent in COD testing, suppressing chloride interference in standard analytical procedures
  • Pharmaceutical and healthcare: antimicrobial active in wound care preparations and topical treatments targeting bacterial contamination
  • Personal care: preservation systems requiring sustained silver ion release
  • Precursor in the synthesis of other silver compounds and reference standard in laboratory and quality control workflows
  • Its controlled release of silver ions underpins its function as a biocidal agent and analytical reagent.

Commercial specifications

  • Packaging from small quantities for analytical use to bulk quantities for industrial-scale water treatment

Other Names (Synonyms)

silver(I) sulphate|silver(I) sulfate|silver sulphate|Sulphuric acid, silver salt|Disilver sulfate|Disilver(1+) sulfate|Disilver monosulfate|Silver sulfate (Ag2SO4)

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What are the physical properties of Silver sulfate?

Melting Point 665 °C
Boiling Point 1085 °C
Density 5.45
Flash Point 1085°C
Appearance Small, colorless, lustrous crystals or crystalline powder. Contains about 69% silver, turns gray on exposure to light.Soluble in ammonium hydroxide, nitric acid, sulfuric acid, hot water; insoluble in alcohol.
Color White to off-white
Form Solid
Water Solubility 7.4 g/L (20 ºC)
pH 5-6 (5g/l, H2O, 25℃)

How is Silver sulfate classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS09· Environmental Hazard

Hazard Statements

H318 Causes serious eye damage
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Precautionary Statements

P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P317 Get emergency medical help.
P391 Collect spillage.

Which trade and regulatory codes apply to Silver sulfate?

HS Code 28432900
UN Number 1830
ADR Class 8
Packing Group II
Storage Class 13 - Non Combustible Solids
WGK (Germany) 3
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