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Thallium(I) carbonate

From Wikipedia, the free encyclopedia

Thallium(I) carbonate
Thallium(I) carbonate
Names
Other names
thallium monocarbonate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.026.759 Edit this at Wikidata
EC Number
  • 229-434-0
RTECS number
  • XG4000000
UNII
UN number 1707
  • InChI=1S/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 checkY
    Key: DASUJKKKKGHFBF-UHFFFAOYSA-L checkY
  • InChI=1/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
    Key: DASUJKKKKGHFBF-NUQVWONBAJ
  • [Tl+].[Tl+].[O-]C([O-])=O
Properties
Tl2CO3
Molar mass 468.776 g/mol
Appearance white crystals
Odor odorless
Density 7.11 g/cm3, solid
Melting point 272 °C (522 °F; 545 K)
5.2 g/100 mL (25 °C)
27.2 g/100 mL (100 °C)
Solubility insoluble in alcohol, ether, acetone
−101.6·10−6 cm3/mol
Structure
monoclinic
Hazards
GHS labelling:[2]
GHS06: Toxic
GHS08: Health hazard
GHS09: Environmental hazard
Danger
H300, H330, H373, H411
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):
21 mg/kg (mouse, oral)[1]
23 mg/kg (rat, oral)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

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.[3]

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Transcription

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.[4]

References

  1. ^ a b "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.


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This page was last edited on 29 March 2024, at 14:16
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