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Basic Information

Molecular Structure:
CAS No.:	534-17-8
Name:	Cesium carbonate
Article Data:	37
Cas Database

Formula:	Cs₂CO₃
Molecular Weight:	325.82
Synonyms:	Cesium carbonate (Cs2CO3);cesium(+1) cation carbonate;Dicesium carbonate;Carbonic acid dicesium salt;
EINECS:	208-591-9
Density:	4.072 g/cm³
Melting Point:	610 °C (dec.)(lit.)
Boiling Point:	333.6 °C at 760 mmHg
Flash Point:	169.8 °C
Solubility:	261 g/100 mL (20 °C) in water
Appearance:	Colourless crystals or white powder
Hazard Symbols:	Xn, Xi
Risk Codes:	68-36/37/38
Safety:	22-24/25-36/37/39-26-27
PSA:	63.19000
LogP:	-2.44700

Synthetic route

: nitridotechnetic(VI) acid

: cesiumhydroxide monohydrate

A: 2Cs(1+)*(Tc2N2O2(OH)4)(2-)=Cs2(Tc2N2O2(OH)4)

B: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In water Nitridotechnetic(VI) acid was added to a soln. of CsOH*H2O in water, shaking and further water addn.;; filtration, ethanol addn. pptd. a yellow powder, centrifugn., ppt. twice resuspended in ethanol, recentrifugn. dried in vacuum; elem. anal.;	A 65% B n/a

...Expand

: ammonium carbonate

: cesium sulfate

: barium(II) hydroxide

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In not given a boiling soln. of Cs2SO4 was treated with Ba(OH)2, the forming soln. of BaOH was reduced in volume, crystn. of aq. Cs2CO3, on heating these crystals melt in their hydrate water leaving anhydrous Cs2CO3 back;;
In not given a boiling soln. of Cs2SO4 was treated with Ba(OH)2, the forming soln. of BaOH was reduced in volume, crystn. of aq. Cs2CO3, on heating these crystals melt in their hydrate water leaving anhydrous Cs2CO3 back;;

...Expand

: caesium uranyl oxalate

A: uranium dioxide

B: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent, solid phase) byproducts: CO; heating at 350°C for long duration in air and under Ar atm.; XRD;

: Cs3{Sb2Cl9}

: 144-62-7
oxalic acid

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
With hydrogen sulfide; nitric acid In water hydrolysis of 3CsCl * 2SbCl3 by heating; pptn. of Sb with H2S; evapn. of the filtrate with HNO3, calcination with oxalic acid (double amt.); filtration, extn. with ethanol;
With H2S; HNO3 In water hydrolysis of 3CsCl * 2SbCl3 by heating; pptn. of Sb with H2S; evapn. of the filtrate with HNO3, calcination with oxalic acid (double amt.); filtration, extn. with ethanol;

: 6Cs(1+)*3CO3(2-)*10H2O=3Cs2CO3*10H2O

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2O; 3Cs2CO3*10h2O was heated in a stream of H2 or dry air at 98 °C forming Cs2CO3 within 12-15 hours with no formation of intermediates;;
In neat (no solvent) byproducts: H2O; 3Cs2CO3*10h2O was heated in a stream of H2 or dry air at 98 °C forming Cs2CO3 within 12-15 hours with no formation of intermediates;;

: Cs2O4

: 124-38-9
carbon dioxide

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: O2; Cs2O4 was heated in presence of CO2 forming Cs2CO3;;
In neat (no solvent) dry CO2 reacts with Cs2O4 on weak heating forming caesium carbonate;;

: 1068-63-9
cesium oxalate

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent) calcination in a Pt-crucible formed pure Cs2CO3;;
In neat (no solvent) calcination of caesium oxalate;;
In neat (no solvent) calcination of caesium oxalate;;

: 3495-36-1
cesium formate

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent) Kinetics; heating in air up to 600°C under atmospheric pressure and humidity (heating rate 5-10°C/min); thermogravimetric monitoring;

: cesium oxide

: 124-38-9
carbon dioxide

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
High Pressure; at 100°C - 110°C, pressure of CO2: 1800 - 3000 at for 10 -72 h;

: cesium oxide

: 124-38-9
carbon dioxide

: 534-17-8
caesium carbonate

Conditions

Conditions	Yield
In neat (no solvent) amorphous and platelet Cs2O react vigorously with CO2;

Raw Materials

Downstream Products

873-75-6

103-50-4

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Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

Specification

The Cesium carbonate, with the CAS registry number 534-17-8,is also known as Carbonic acid, cesium salt (1:2). It belongs to the product categories of Cesium SaltsChemical Synthesis;Metal and Ceramic Science. Its EINECS number is 208-591-9. This chemical's molecular formula is Cs2CO3 and molecular weight is 325.82. What's more,Its systematic name is Cesium carbonate .It is a wColourless crystals or white powder which is stable, Very deliquescent and incompatible with strong oxidizing agents,strong acids.

Physical properties about Cesium carbonate are:
(1)ACD/LogP: -0.809; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.98; (4)ACD/LogD (pH 7.4): -3.77; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Flash Point: 169.8 °C; (13)Enthalpy of Vaporization: 63.37 kJ/mol ; (14)Boiling Point: 333.6 °C at 760 mmHg; (15)Vapour Pressure: 2.58E-05 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES:[Cs+].[Cs+].[O-]C([O-])=O;
(2)Std. InChI:InChI=1S/CH2O3.2Cs/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2;
(3)Std. InChIKey:FJDQFPXHSGXQBY-UHFFFAOYSA-L.

The toxicity data of Cesium carbonate are as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	1gm/kg (1000mg/kg)	VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION KIDNEY, URETER, AND BLADDER: PROTEINURIS BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.
mouse	LD50	intravenous	940mg/kg (940mg/kg)	KIDNEY, URETER, AND BLADDER: PROTEINURIS VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.
mouse	LD50	oral	2170mg/kg (2170mg/kg)		Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. Vol. (8), Pg. 10, 1978.
mouse	LD50	subcutaneous	2300mg/kg (2300mg/kg)	VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD KIDNEY, URETER, AND BLADDER: PROTEINURIS	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.
rat	LD50	intraperitoneal	810mg/kg (810mg/kg)	KIDNEY, URETER, AND BLADDER: PROTEINURIS VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.
rat	LD50	intravenous	877mg/kg (877mg/kg)	VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD KIDNEY, URETER, AND BLADDER: PROTEINURIS	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.
rat	LD50	oral	2333mg/kg (2333mg/kg)		Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. Vol. (8), Pg. 10, 1978.
rat	LD50	subcutaneous	2200mg/kg (2200mg/kg)	KIDNEY, URETER, AND BLADDER: PROTEINURIS VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 244, 1999.

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