Thallium(I) carbonate

Thallium(I) carbonate  Names

Other names

thallium monocarbonate

Identifiers

CAS Number

* 6533-73-9 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 21553 Y

EC Number |

* 229-434-0

PubChem CID

* 23031

RTECS number |

* XG4000000

UNII |

* H673633FTH Y

UN number | 1707

InChI

* InChI=1S/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 Y

Key: DASUJKKKKGHFBF-UHFFFAOYSA-L Y

* InChI=1/CH2O3.2Tl/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

Key: DASUJKKKKGHFBF-NUQVWONBAJ

SMILES

* [Tl+].[Tl+].[O-]C([O-])=O

Properties

Chemical formula

| 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)

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)

| −101.6·10−6 cm3/mol
Structure

Crystal structure

| monoclinic
Hazards
GHS pictograms |
GHS Signal word | Danger

GHS hazard statements

| H300, H330, H373, H411

GHS precautionary statements

| P260, P264, P270, P271, P273, P284, P301+310, P304+340, P310, P314, P320, P330, P391, P403+233, P405, P501
NFPA 704 (fire diamond)  |

Lethal dose or concentration (LD, LC):

LD50 (median dose)

| 21 mg/kg (mouse, oral)[1]

LDLo (lowest published)

| 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).

Y verify (what is YN ?)
Infobox references

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]

## 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. ↑ 1.0 1.1 "Thallium (soluble compounds, as Tl)". Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). https://www.cdc.gov/niosh/idlh/thallium.html.
2. ↑ "Thallous carbonate" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/23031#section=Safety-and-Hazards.
3. ↑ Micke, Heinrich; Wolf, Hans Uwe (2000). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_607.
4. ↑ "Emergency First Aid Treatment Guide THALLOUS CARBONATE". Chemical Emergency Preparedness and Prevention. U.S. Environmental Protection Agency. http://yosemite.epa.gov/oswer/ceppoehs.nsf/bdaee0bb1a18cf1a85256c7800649884/3393cf75128f7bb085256c7e0073d348!OpenDocument. Retrieved 2 June 2012.

* v
* t
* e

Thallium compounds

Thallium(I)|

* TlN3
* TlOH
* TlI
* TlBr
* Tl2CO3
* TlCl
* TlF
* Tl2O
* Tl2SO4
* Tl2S
* Tl2Te
* TlI3
* TBCCO

| Organothallium(I)|

* Tl(C2H3O2)3
* Tl2C3H2O4
* TlC5H5

|

Thallium(III)|

* TlH3
* Tl(OH)3
* Tl2O3
* Tl(NO3)3

Carbonates  H2CO3 |  |  |  | He

|
|
|
|

Li2CO3,
LiHCO3 | BeCO3 | B  | C  | (NH4)2CO3,
NH4HCO3 | O  | F  | Ne
Na2CO3,
NaHCO3,
Na3H(CO3)2 | MgCO3,
Mg(HCO3)2 | Al2(CO3)3 | Si  | P  | S  | Cl  | Ar
K2CO3,
KHCO3 | CaCO3,
Ca(HCO3)2 | Sc  | Ti  | V  | Cr  | MnCO3 | FeCO3 | CoCO3 | NiCO3 | CuCO3 | ZnCO3 | Ga  | Ge  | As  | Se  | Br  | Kr
Rb2CO3 | SrCO3 | Y  | Zr  | Nb  | Mo  | Tc  | Ru  | Rh  | Pd  | Ag2CO3 | CdCO3 | In  | Sn  | Sb  | Te  | I  | Xe
Cs2CO3,
CsHCO3 | BaCO3 |  | Hf  | Ta  | W  | Re  | Os  | Ir  | Pt  | Au  | Hg  | Tl2CO3 | PbCO3 | (BiO)2CO3 | Po  | At  | Rn
Fr  | Ra  |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
La2(CO3)3 | Ce2(CO3)3 | Pr  | Nd  | Pm  | Sm  | Eu  | Gd  | Tb  | Dy  | Ho  | Er  | Tm  | Yb  | Lu
Ac  | Th  | Pa  | UO2CO3 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No  | Lr

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*[CID]: Compound ID
*[H300]: Fatal if swallowed
*[H330]: Fatal if inhaled
*[H373]: May cause damage to organs through prolonged or repeated exposure
*[H411]: Toxic to aquatic life with long lasting effects
*[P260]: Do not breathe dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P270]: Do not eat, drink or smoke when using this product
*[P271]: Use only outdoors or in a well-ventilated area
*[P273]: Avoid release to the environment
*[P284]: Wear respiratory protection
*[P301+310]: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P310]: Immediately call a POISON CENTER or doctor/physician
*[P314]: Get Medical advice/attention if you feel unwell
*[P320]: Specific treatment is urgent (see … on this label)
*[P330]: Rinse mouth
*[P391]: Collect spillage
*[P403+233]: Store in a well ventilated place. Keep container tightly closed
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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