Silver carbonate

Silver carbonate
Crystal structure of silver carbonate
Sample of microcrystaline silver carbonate
Names
IUPAC name
Silver(I) carbonate
Other names
Argentous carbonate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.811 Edit this at Wikidata
EC Number
  • 208-590-3
MeSH silver+carbonate
UNII
  • InChI=1S/CH2O3.2Ag/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 checkY
    Key: KQTXIZHBFFWWFW-UHFFFAOYSA-L checkY
  • InChI=1/CH2O3.2Ag/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
    Key: KQTXIZHBFFWWFW-NUQVWONBAD
  • [Ag]OC(=O)O[Ag]
Properties
Ag2CO3
Molar mass 275.75 g/mol
Appearance Pale yellow crystals
Odor Odorless
Density 6.077 g/cm3[1]
Melting point 218 °C (424 °F; 491 K)
decomposes from 120 °C[1][4]
0.031 g/L (15 °C)
0.032 g/L (25 °C)
0.5 g/L (100 °C)[2]
8.46·10−12[1]
Solubility Insoluble in ethanol, liquid ammonia, acetates, acetone[3]
−80.9·10−6 cm3/mol[1]
Structure
Monoclinic, mP12 (295 K)
Trigonal, hP36 (β-form, 453 K)
Hexagonal, hP18 (α-form, 476 K)[5]
P21/m, No. 11 (295 K)
P31c, No. 159 (β-form, 453 K)
P62m, No. 189 (α-form, 476 K)[5]
2/m (295 K)
3m (β-form, 453 K)
6m2 (α-form, 476 K)[5]
a = 4.8521(2) Å, b = 9.5489(4) Å, c = 3.2536(1) Å (295 K)[5]
α = 90°, β = 91.9713(3)°, γ = 90°
Thermochemistry
112.3 J/mol·K[1]
167.4 J/mol·K[1]
−505.8 kJ/mol[1]
−436.8 kJ/mol[1][4]
Hazards
Occupational safety and health (OHS/OSH):
Inhalation hazards
 Irritant
GHS labelling:[7]
GHS05: Corrosive GHS09: Environmental hazard
Danger
H315, H319, H335
P261, P305+P351+P338
NFPA 704 (fire diamond)
[6]
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0
0
0
Lethal dose or concentration (LD, LC):
3.73 g/kg (mice, oral)[6]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Silver carbonate is the chemical compound with the formula Ag2CO3. This salt is yellow but typical samples are grayish due to the presence of elemental silver. It is poorly soluble in water, like most transition metal carbonates.

  1. ^ a b c d e f g h Lide, David R., ed. (2009). CRC Handbook of Chemistry and Physics (90th ed.). Boca Raton, Florida: CRC Press. ISBN 978-1-4200-9084-0.
  2. ^ Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). New York City: D. Van Nostrand Company. p. 605.
  3. ^ Comey, Arthur Messinger; Hahn, Dorothy A. (February 1921). A Dictionary of Chemical Solubilities: Inorganic (2nd ed.). New York: The MacMillan Company. p. 203.
  4. ^ a b Anatolievich, Kiper Ruslan. "silver nitrate". chemister.ru. Retrieved 2014-07-21.
  5. ^ a b c d Norby, P.; Dinnebier, R.; Fitch, A.N. (2002). "Decomposition of Silver Carbonate; the Crystal Structure of Two High-Temperature Modifications of Ag2CO3". Inorganic Chemistry. 41 (14): 3628–3637. doi:10.1021/ic0111177. PMID 12099865.
  6. ^ a b "Silver Carbonate MSDS". saltlakemetals.com. Salt Lake City, Utah: Salt Lake Metals. Retrieved 2021-08-05.
  7. ^ Sigma-Aldrich Co., Silver carbonate. Retrieved on 2021-08-05.