Basic information
- Name:
Cesium carbonate
- CAS No.:
534-17-8
- Molecular Structure:
- Formula:
- Cs2CO3
- Molecular Weight:
- 325.82 .
- Deleted CAS:
- 29703-01-3
- 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 Description:
- 22-24/25-36/37/39-26-27 Details
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Chemistry
Caesium carbonate(534-17-8) is a white crystalline solid of formula Cs2CO3. It is more soluble in organic solvents than many other carbonates such as potassium carbonate, and therefore finds use as a base in organic chemistry.
Characteristic of carbonate salts, it reacts with protic acids to give carbon dioxide gas, water, and a caesium salt as follows:
Cs2CO3 + 2HCl → 2CsCl + H2O + CO2
The density of Cesium carbonate(534-17-8) is 4.072 and it has a melting point of 610 °C (dec.)(lit.).
The chemical synonyms of Cesium carbonate(534-17-8) are CAESIUM CARBONATE;CESIUM CARBONATE;Carbonicacid,dicesiumsalt;cesiumcarbonate(cs2co3);cesiumcarbonateanhydrous;dicesiumcarbonate;Cesium carbonate (99% Cs);Cesiumcarbonatewhitepowder
The molecular structure of Cesium carbonate(534-17-8):
Characteristic of carbonate salts, it reacts with protic acids to give carbon dioxide gas, water, and a caesium salt as follows:
Cs2CO3 + 2HCl → 2CsCl + H2O + CO2
The density of Cesium carbonate(534-17-8) is 4.072 and it has a melting point of 610 °C (dec.)(lit.).
The chemical synonyms of Cesium carbonate(534-17-8) are CAESIUM CARBONATE;CESIUM CARBONATE;Carbonicacid,dicesiumsalt;cesiumcarbonate(cs2co3);cesiumcarbonateanhydrous;dicesiumcarbonate;Cesium carbonate (99% Cs);Cesiumcarbonatewhitepowder
The molecular structure of Cesium carbonate(534-17-8):
Toxicity Data With Reference
| 1. | mrc-bcs 5 mol/L | MUREAV Mutation Research. 77 (1980),109. | ||
| 2. | orl-rat LD50:2333 mg/kg | VAMNAQ Vestnik Akademii Meditsinskikh Nauk S.S.S.R. Journal of the Academy of Medical Sciences of the USSR.(8),(1978),10. | ||
| 3. | orl-mus LD50:2170 mg/kg | VAMNAQ Vestnik Akademii Meditsinskikh Nauk S.S.S.R. Journal of the Academy of Medical Sciences of the USSR.(8),(1978),10. |
Consensus Reports
EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes. See also CESIUM.
Hazard Codes Xn,Xi
Risk Statements 68-36/37/38
Safety Statements 22-24/25-36/37/39-26-27
WGK Germany 2
RTECS FK9400000
F 3-10
HS Code 28369918
Hazard Codes Xn,Xi
Risk Statements 68-36/37/38
Safety Statements 22-24/25-36/37/39-26-27
WGK Germany 2
RTECS FK9400000
F 3-10
HS Code 28369918
Specification
Chemical Stability: Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid: Incompatible materials, heating to decomposition, exposure to moist air or water.
Incompatibilities with Other Materials Metals, strong oxidizing agents, strong acids.
Hazardous Decomposition Products Carbon monoxide, carbon dioxide.
Hazardous Polymerization Has not been reported.
Conditions to Avoid: Incompatible materials, heating to decomposition, exposure to moist air or water.
Incompatibilities with Other Materials Metals, strong oxidizing agents, strong acids.
Hazardous Decomposition Products Carbon monoxide, carbon dioxide.
Hazardous Polymerization Has not been reported.