Radium carbonate

Radium carbonate
Names
	IUPAC name Radium carbonate
Identifiers
CAS Number	7116-98-5;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/CH2O3.Ra/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 Key: YPWICUOZSQYGTD-UHFFFAOYSA-L;
	SMILES [Ra+2].[O-]C([O-])=O;
Properties
Chemical formula	RaCO3
Molar mass	286.0089 g
Appearance	white powder
Solubility in water	insoluble
Hazards
Main hazards	radioactive
Related compounds
Other cations	Beryllium carbonate; Magnesium carbonate; Calcium carbonate; Strontium carbonate; Barium carbonate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Radium carbonate is a compound of radium, carbon, and oxygen. This salt is a poisonous, radioactive, amorphous,^[4] white powder that is used in medicine.^[2] It is notable for being more soluble than barium carbonate, unlike other radium compounds. Even though it is insoluble in water, it is soluble in dilute acids and concentrated ammonium carbonate.^[5]

Preparation[]

Radium carbonate can be produced by using Ra²⁺ ions and carbonate:^[6]
Ra²⁺ + CO₃^2- → RaCO₃. Because of the very low solubility of this salt, it will form a white precipitate.

Reactions[]

Radium carbonate can be used to produce radium nitrate and other radium salts:
RaCO₃ + 2HNO₃ → Ra(NO₃)₂ + H₂O + CO₂

References[]

^ "Radium carbonate - Hazardous Agents | Haz-Map". Haz-Map. Retrieved 2020-11-30.
^ ^a ^b ^c ^d "Radium carbonate | Article about radium carbonate by The Free Dictionary". The Free Dictionary By Farlex. Retrieved 2020-11-30.
^ "RADIUM CARBONATE - (7116-98-5) - Physical Properties • Chemical Properties • Solubility • Uses/Function • Reactions • Thermochemistry". Chemistry-Reference.com. Retrieved 2020-11-30.
^ "Radium carbonate CAS#: 7116-98-5". Chemical Book. 2017. Retrieved 2020-12-03.
^ "The Radiochemistry of Radium". Office of Scientific and Technical Information. Retrieved 2021-01-08.
^ Richard C. Ropp. Encyclopedia of the Alkaline Earth Compounds. Elsevier, 2013. pp 370-371. Radium Carbonate

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[1] "Radium carbonate - Hazardous Agents | Haz-Map". Haz-Map. Retrieved 2020-11-30.

[FD-2] "Radium carbonate | Article about radium carbonate by The Free Dictionary". The Free Dictionary By Farlex. Retrieved 2020-11-30.

[3] "RADIUM CARBONATE - (7116-98-5) - Physical Properties • Chemical Properties • Solubility • Uses/Function • Reactions • Thermochemistry". Chemistry-Reference.com. Retrieved 2020-11-30.

[4] "Radium carbonate CAS#: 7116-98-5". Chemical Book. 2017. Retrieved 2020-12-03.

[5] "The Radiochemistry of Radium". Office of Scientific and Technical Information. Retrieved 2021-01-08.

[6] Richard C. Ropp. Encyclopedia of the Alkaline Earth Compounds. Elsevier, 2013. pp 370-371. Radium Carbonate

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