Silver carbonate information

Silver carbonate
Names
	IUPAC name Silver(I) carbonate
	Other names Argentous carbonate
Identifiers
CAS Number	534-16-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	83768 ;
ECHA InfoCard	100.007.811
EC Number	208-590-3;
MeSH	silver+carbonate
PubChem CID	92796;
UNII	V9WU3IKN4Q ;
CompTox Dashboard (EPA)	DTXSID9042384 ;
	InChI InChI=1S/CH2O3.2Ag/c2-1(3)4;;/h(H2,2,3,4);;/q;2+1/p-2 Key: KQTXIZHBFFWWFW-UHFFFAOYSA-L ; InChI=1/CH2O3.2Ag/c2-1(3)4;;/h(H2,2,3,4);;/q;2+1/p-2 Key: KQTXIZHBFFWWFW-NUQVWONBAD;
	SMILES [Ag]OC(=O)O[Ag];
Properties
Chemical formula	Ag2CO3
Molar mass	275.75 g/mol
Appearance	Pale yellow crystals
Odor	Odorless
Density	6.077 g/cm3
Melting point	218 °C (424 °F; 491 K) ; decomposes from 120 °C
Solubility in water	0.031 g/L (15 °C); 0.032 g/L (25 °C); 0.5 g/L (100 °C)
Solubility product (Ksp)	8.46·10−12
Solubility	Insoluble in ethanol, liquid ammonia, acetates, acetone
Magnetic susceptibility (χ)	−80.9·10−6 cm3/mol
Structure
Crystal structure	Monoclinic, mP12 (295 K); Trigonal, hP36 (β-form, 453 K); Hexagonal, hP18 (α-form, 476 K)
Space group	P21/m, No. 11 (295 K); P31c, No. 159 (β-form, 453 K); P62m, No. 189 (α-form, 476 K)
Point group	2/m (295 K); 3m (β-form, 453 K); 6m2 (α-form, 476 K)
Lattice constant	a = 4.8521(2) Å, b = 9.5489(4) Å, c = 3.2536(1) Å (295 K) α = 90°, β = 91.9713(3)°, γ = 90°
Thermochemistry
Heat capacity (C)	112.3 J/mol·K
Std molar; entropy (S⦵298)	167.4 J/mol·K
Std enthalpy of; formation (ΔfH⦵298)	−505.8 kJ/mol
Gibbs free energy (ΔfG⦵)	−436.8 kJ/mol
Hazards
	Occupational safety and health (OHS/OSH):
Inhalation hazards	Irritant
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H315, H319, H335
Precautionary statements	P261, P305+P351+P338
NFPA 704 (fire diamond)	0 0 0
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	3.73 g/kg (mice, oral)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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.

^ ^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.
^ Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). New York City: D. Van Nostrand Company. p. 605.
^ Comey, Arthur Messinger; Hahn, Dorothy A. (February 1921). A Dictionary of Chemical Solubilities: Inorganic (2nd ed.). New York: The MacMillan Company. p. 203.
^ ^a ^b Anatolievich, Kiper Ruslan. "silver nitrate". chemister.ru. Retrieved 2014-07-21.
^ ^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.
^ ^a ^b "Silver Carbonate MSDS". saltlakemetals.com. Salt Lake City, Utah: Salt Lake Metals. Retrieved 2021-08-05.
^ Sigma-Aldrich Co., Silver carbonate. Retrieved on 2021-08-05.

[crc-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.

[sioc-2] Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). New York City: D. Van Nostrand Company. p. 605.

[doc00-3] Comey, Arthur Messinger; Hahn, Dorothy A. (February 1921). A Dictionary of Chemical Solubilities: Inorganic (2nd ed.). New York: The MacMillan Company. p. 203.

[chemister-4] Anatolievich, Kiper Ruslan. "silver nitrate". chemister.ru. Retrieved 2014-07-21.

[rsc-5] 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.

[slm-6] "Silver Carbonate MSDS". saltlakemetals.com. Salt Lake City, Utah: Salt Lake Metals. Retrieved 2021-08-05.

[sigma-7] Sigma-Aldrich Co., Silver carbonate. Retrieved on 2021-08-05.

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