Silver sulfate

Silver sulfate
Names
IUPAC name
Silver(I) sulfate
Other names
Disilver sulfate
Argentous sulfate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.581
EC Number
  • 233-653-7
UNII
UN number 3077
  • InChI=1S/2Ag.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 Y
    Key: YPNVIBVEFVRZPJ-UHFFFAOYSA-L Y
  • InChI=1/2Ag.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
    Key: YPNVIBVEFVRZPJ-NUQVWONBAA
  • [Ag+].[Ag+].[O-]S([O-])(=O)=O
Properties
Ag2SO4
Molar mass 311.79 g·mol−1
Appearance Colorless solid
Odor Odorless
Density 5.45 g/cm3 (25 °C)
4.84 g/cm3 (660 °C)
Melting point 652.2–660 °C (1,206.0–1,220.0 °F; 925.4–933.1 K)
Boiling point 1,085 °C (1,985 °F; 1,358 K) decomposition
0.57 g/100 mL (0 °C)
0.69 g/100 mL (10 °C)
0.83 g/100 mL (25 °C)
0.96 g/100 mL (40 °C)
1.33 g/100 mL (100 °C)
1.2·10−5
Solubility Dissolves in aq. acids, alcohols, acetone, ether, acetates, amides
Insoluble in ethanol
Solubility in sulfuric acid 8.4498 g/L (0.1 molH2SO4/LH2O)
25.44 g/100 g (13 °C)
31.56 g/100 g (24.5 °C)
127.01 g/100 g (96 °C)
Solubility in ethanol 7.109 g/L (0.5 nEtOH/H2O)
Solubility in acetic acid 7.857 g/L (0.5 nAcOH/H2O)
−9.29·10−5 cm3/mol
nα = 1.756
nβ = 1.775
nγ = 1.782
Structure
Orthorhombic, oF56
Fddd, No. 70
2/m 2/m 2/m
a = 10.2699(5) Å, b = 12.7069(7) Å, c = 5.8181(3) Å
α = 90°, β = 90°, γ = 90°
Thermochemistry
131.4 J/mol·K
200.4 J/mol·K
−715.9 kJ/mol
−618.4 kJ/mol
Hazards
GHS labelling:
Danger
H318, H410
P273, P280, P305+P351+P338, P501
NFPA 704 (fire diamond)
2
0
1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Silver sulfate is an inorganic compound with the formula Ag2SO4. It is a white solid with low solubility in water.

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