B
caesium carbonate
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 |
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;; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: CO; heating at 350°C for long duration in air and under Ar atm.; XRD; |
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; |
caesium carbonate
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;; |
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;; |
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;; |
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; |
Conditions | Yield |
---|---|
High Pressure; at 100°C - 110°C, pressure of CO2: 1800 - 3000 at for 10 -72 h; |
Conditions | Yield |
---|---|
In neat (no solvent) amorphous and platelet Cs2O react vigorously with CO2; |
Conditions | Yield |
---|---|
In neat (no solvent) calcination;; | |
In neat (no solvent) calcination;; |
B
caesium carbonate
C
zinc(II) carbonate
Conditions | Yield |
---|---|
In water addition of (insoluble) Cs2ZnFe(CN)6 into a suspension of Ag2CO3 with formation of (soluble) Cs2CO3;; |
Conditions | Yield |
---|---|
In neat (no solvent) thermolysis in the absence of O2 at 420°C; |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: CO, COS, caesium pentasulfide; Cs2S was heated in a dry stream of CO2 at 350 °C with formation of Cs2CO3 beside Cs2SO4 and caesium pentasulfide;; | |
In neat (no solvent) byproducts: CO, COS, caesium pentasulfide; Cs2S was heated in a dry stream of CO2 at 350 °C with formation of Cs2CO3 beside Cs2SO4 and caesium pentasulfide;; |
cesium formate
A
methane
B
carbon dioxide
C
carbon monoxide
D
cesium oxalate
E
caesium carbonate
Conditions | Yield |
---|---|
In solid byproducts: C, CH3OH, HCO2CH3; thermal decomposition of CsHCO2 under N2 at 200-250°C; detd. by XRD and IR; |
Conditions | Yield |
---|---|
High Pressure; at 150°C - 300°C, pressure of CO2 1700 at - 2500 at for 15 - 24 h; |
caesium carbonate
Conditions | Yield |
---|---|
In neat (no solvent) calcination;; | |
In neat (no solvent) calcination;; |
cesium bicarbonate
caesium carbonate
Conditions | Yield |
---|---|
In neat (no solvent) CsHCO3 was heated for several hours in an indifferent stream of gas at 175 °C forming Cs2CO3;; | >99 |
Conditions | Yield |
---|---|
In not given 20°C; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) on heating in air to 673 K with 5 K/h and up to 1173 K with 10 K/h; detn. by TG; |
Conditions | Yield |
---|---|
In water stoich. amts., evapn. at 105°C to dryness; | 100% |
In water dissolving metal carbonate in aq. soln. of ammonium salt; crystn. at room temp.; | |
In not given according to H. Grossmann, Chem. Berichte 35 (1902) 2665; |
3,3'-ethane-1,2-diylbis(1,2-benzendiol)
caesium carbonate
Conditions | Yield |
---|---|
In methanol stirring overnight; evapn.; elem. anal.; | 100% |
caesium carbonate
(1-vinyl-2-oxabicyclo[2.2.2]octan-4-yl)methyl acetate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 100℃; | 100% |
sulfur
caesium carbonate
Conditions | Yield |
---|---|
In ammonia NH3 (liquid); Ar-atmosphere; stoich. amts., sealed silica tube, 160°C, 4 d; solvent removal; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In water byproducts: CO2; elution of NaN3 through cation exchange column (prepared by HCl) to Pt dish, containing Cs2CO3; pH monitored; neutralization (pH 7); extensive description of apparatus and handling given;; evapn.; drying (110°C); identification by X-ray powder spectra;; | 99% |
In water NaN3 exchanged on cation-exchange resin; HN3 eluate dripped in Cs2CO3 soln. with rate of 5 mL/min; water evapd.; detd. by Raman spectroscopy; | |
With acidic cation exchanger In water ion-exchange method; | |
In water | |
Stage #1: sodium azide In water Acidic conditions; Stage #2: caesium carbonate In water |
Conditions | Yield |
---|---|
In water soln. of acid (0.2 mmol) treated with metal carbonate (0.2 mmol), heatedto 90°C to remove CO2, mixed with aq. soln. of U compd. (0.1 mmo l); cooled, crystd. on storage, washed (acetone), dried in air, elem. anal.; | 99% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) heating 3:9:8 mixt. of Rb2CO3, Ta2O5 and TeO2 at slightly lower than 810°C for 5 ds; powder XRD; | 99% |
In neat (no solvent, solid phase) grinding 1:2.66:10 mixt. of Cs2CO3, Nb2O5 and TeO2, pressing into pellets, heating at 810°C for 5 ds; cooling to 300°C at rate of 4°C/h, XRD; |
tetrakis(acetato)dimolybdenum(II)
trifluorormethanesulfonic acid
caesium carbonate
Cs(1+)*Mo2(CF3SO3)5(CF3SO3H)2(1-)=CsMo2(CF3SO3)5*2CF3SO3H
Conditions | Yield |
---|---|
suspn. of Mo2(CH3CO2)4, Cs2CO3 in triflic acid heated at 110°C for 48 h, cooled to room temp. for 50 h; | 99% |
Conditions | Yield |
---|---|
In water at 23℃; for 0.0833333h; Inert atmosphere; | 99% |
4-(bromomethyl)-3,5-dichloropyridine
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
caesium carbonate
N-boc-O-(3,5-dichloroisonicotinyl)-L-tyrosine methyl ester
Conditions | Yield |
---|---|
In DMF (N,N-dimethyl-formamide) at 20℃; | 98% |
Conditions | Yield |
---|---|
mixt. (Cs:W:Se=2:1:2) placing in Teflon-lined hydrothermal reaction vessel, heating to 210°C for 12 d, slow cooling to ambient over 24 h(final pH 3.3); TGA; | 98% |
caesium carbonate
Conditions | Yield |
---|---|
In water High Pressure; hydrothermal synthesis; mixt. Sc2O3, H3AsO4*nH2O, Cs2CO3 (approx. 1:1:1 vol.) and distd. H2O heated in Teflon-lined stainless steel autoclave (7d at 493 K, initial and final pH approx. 2); | A 98% B 2% |
Conditions | Yield |
---|---|
Stage #1: 1-(D-glucopyranosyl-2'-deoxy-2'-iminomethyl)-2-hydroxybenzene; uranyl nitrate hexahydrate With triethylamine In methanol at 20℃; for 2h; Stage #2: caesium carbonate In methanol at 20℃; for 72h; | 98% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 95℃; for 36h; | 97% |
N-(2-hydroxy-4-nitrophenyl)acetamide
caesium carbonate
A
4-nitro-2-trimethylsilanylmethoxyphenylamine
B
N-(4-nitro-2-trimethylsilanylmethoxyphenyl)acetamide
Conditions | Yield |
---|---|
In water; N,N-dimethyl-formamide | A n/a B 97% |
N-phthaloylglycine
caesium carbonate
(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetic acid cesium salt
Conditions | Yield |
---|---|
In methanol; water at 20℃; for 1h; | 97% |
bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
caesium carbonate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; Inert atmosphere; Schlenk technique; | 97% |
di(p-nitrophenyl) disulfide
caesium carbonate
bis(1'-mercapto-4'-nitrophenyl)methane
Conditions | Yield |
---|---|
With 18-crown-6 ether In acetone at 40℃; for 24h; | 96% |
Conditions | Yield |
---|---|
With 18-crown-6 ether In acetone at 40 - 60℃; for 24h; Temperature; | 96% |
propylamine
caesium carbonate
(1-bromoethyl)benzne
N-(1-phenylethyl)propan-1-amine
Conditions | Yield |
---|---|
In N-methyl-acetamide | 95% |
Conditions | Yield |
---|---|
With oxalic acid In benzene byproducts: H2O, CO2; elem. anal.; | 95% |
7K(1+)*P2Fe(OH2)W17O61(7-)*21.3H2O=K7P2Fe(OH2)W17O61*21.3H2O
caesium carbonate
7Cs(1+)*P2Fe(OH2)W17O61(7-)*14.1H2O=Cs7P2Fe(OH2)W17O61*14.1H2O
Conditions | Yield |
---|---|
With Amberlite IR-120 resin In water a soln. of salt was passed through Amberlit IR-120 cation exchanger in H+ form at 2.0°C, a soln. of Cs2CO3 was slowly added; cooling and slow concn., recrystn. (water at 80°C); elem. anal.; | 95% |
5K(1+)*SiFe(OH2)W11O39(5-)*13.7H2O=K5SiFe(OH2)W11O39*13.7H2O
caesium carbonate
5Cs(1+)*SiFe(OH2)W11O39(5-)*8.6H2O=Cs5SiFe(OH2)W11O39*8.6H2O
Conditions | Yield |
---|---|
With Amberlite IR-120 resin In water a soln. of salt was passed through Amberlit IR-120 cation exchanger in H+ form at 2.0°C, a soln. of Cs2CO3 was slowly added; cooling and slow concn., recrystn. (water at 80°C); elem. anal.; | 95% |
5K(1+)*GeFe(OH2)W11O39(5-)*13.6H2O=K5GeFe(OH2)W11O39*13.6H2O
caesium carbonate
5Cs(1+)*GeFe(OH2)W11O39(5-)*8.4H2O=Cs5GeFe(OH2)W11O39*8.4H2O
Conditions | Yield |
---|---|
With Amberlite IR-120 resin In water a soln. of salt was passed through Amberlit IR-120 cation exchanger in H+ form at 2.0°C, a soln. of Cs2CO3 was slowly added; cooling and slow concn., recrystn. (water at 80°C); elem. anal.; | 95% |
2-(2,2-dichloroethenyl)benzenamine
caesium carbonate
2-chloroindole-3-carboxylic acid
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 120℃; for 0.333333h; | 95% |
Conditions | Yield |
---|---|
at 550 - 650℃; Sealed tube; | 95% |
methanol
carbon dioxide
carbon monoxide
caesium carbonate
A
Dimethyl oxalate
B
cesium bicarbonate
C
cesium formate
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; carbon monoxide; caesium carbonate With silica gel; pyrographite at 325℃; under 15001.5 - 33753.4 Torr; Stage #2: methanol at 200℃; under 30003 Torr; for 2h; Reagent/catalyst; Temperature; Pressure; | A 95% B n/a C 0.8% |
Conditions | Yield |
---|---|
at 650℃; for 24h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
In water High Pressure; Cs2CO3, HIO3 and H2O mixed, placed in autoclave, heated to 220°C,held for 2 d, cooled to room temp. at 10°C/h; filtered off, washed with water, dried at 80°C; | 94% |
Conditions | Yield |
---|---|
With 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate In dichloromethane at 70℃; for 18h; Solvent; Reagent/catalyst; Sealed tube; | 94% |
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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