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Thallium(I) carbonate

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Thallium(I) carbonate
Thallium(I) carbonate
Names
Other names thallium monocarbonate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.026.759 Edit this at Wikidata
EC Number
  • 229-434-0
PubChem CID
RTECS number
  • XG4000000
UNII
UN number 1707
CompTox Dashboard (EPA)
InChI
  • InChI=1S/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2Key: DASUJKKKKGHFBF-UHFFFAOYSA-L
  • InChI=1/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2Key: DASUJKKKKGHFBF-NUQVWONBAJ
SMILES
  • ..C()=O
Properties
Chemical formula Tl2CO3
Molar mass 468.776 g/mol
Appearance white crystals
Odor odorless
Density 7.11 g/cm, solid
Melting point 272 °C (522 °F; 545 K)
Solubility in water 5.2 g/100 mL (25 °C)
27.2 g/100 mL (100 °C)
Solubility insoluble in alcohol, ether, acetone
Magnetic susceptibility (χ) −101.6·10 cm/mol
Structure
Crystal structure monoclinic
Hazards
GHS labelling:
Pictograms GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Signal word Danger
Hazard statements H300, H330, H373, H411
Precautionary statements P260, P264, P270, P271, P273, P284, P301+P310, P304+P340, P310, P314, P320, P330, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 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
4 0 0
Lethal dose or concentration (LD, LC):
LD50 (median dose) 21 mg/kg (mouse, oral)
LDLo (lowest published) 23 mg/kg (rat, oral)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Thallium(I) carbonate is the inorganic compound with the formula Tl2CO3. It is a white, water-soluble salt. It has no or very few commercial applications. It is produced by treatment of thallous hydroxide with CO2.

Safety

Like other thallium compounds, it is extremely toxic, with an oral median lethal dose of 21 mg/kg in mice. Due to its toxicity, it is listed in the United States List of Extremely Hazardous Substances as of 2007.

References

  1. ^ "Thallium (soluble compounds, as Tl)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  2. "Thallous carbonate". pubchem.ncbi.nlm.nih.gov. Retrieved 12 December 2021.
  3. Micke, Heinrich; Wolf, Hans Uwe (2000). "Thallium and Thallium Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_607. ISBN 978-3527306732.
  4. "Emergency First Aid Treatment Guide THALLOUS CARBONATE". Chemical Emergency Preparedness and Prevention. U.S. Environmental Protection Agency. Retrieved 2 June 2012.
Thallium compounds
Neg. ox. states
Thallium(I)
Organothallium(I)
  • TlC2H3O2
  • Tl2C3H2O4
  • TlC5H5
    • Thallium(III)
    Compounds containing the carbonate group
    H2CO3 He
    Li2CO3,
    LiHCO3     		BeCO3 +BO3 (RO)(R'O)CO
    +C2O4     		(NH4)2CO3,
    NH4HCO3,
    +NO3     		O +F Ne
    Na2CO3,
    NaHCO3,
    Na3H(CO3)2     		MgCO3,
    Mg(HCO3)2     		Al2(CO3)3 SiCO4,
    +SiO4     		P +SO4 +Cl Ar
    K2CO3,
    KHCO3     		CaCO3,
    Ca(HCO3)2     		Sc Ti V CrCO3,
    Cr2(CO3)3     		MnCO3 FeCO3 CoCO3,
    Co2(CO3)3     		NiCO3 Cu2CO3,
    CuCO3, Cu2CO3(OH)2     		ZnCO3 Ga Ge As Se Br Kr
    Rb2CO3 SrCO3 Y Zr Nb Mo Tc Ru Rh PdCO3 Ag2CO3 CdCO3 In Sn Sb Te I Xe
    Cs2CO3,
    CsHCO3     		BaCO3 * Lu2(CO3)3 Hf Ta W Re Os Ir Pt Au HgCO3 Tl2CO3 PbCO3 (BiO)2CO3 Po(CO3)2 At Rn
    Fr RaCO3 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La2(CO3)3 Ce2(CO3)3 Pr2(CO3)3 Nd2(CO3)3 Pm Sm2(CO3)3 EuCO3,
    Eu2(CO3)3     		Gd2(CO3)3 Tb2(CO3)3 Dy2(CO3)3 Ho2(CO3)3 Er2(CO3)3 Tm2(CO3)3 Yb2(CO3)3
    ** Ac Th(CO3)2 Pa UO2CO3 Np Pu Am Cm Bk Cf Es Fm Md No


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