Basic information
- Standard SMILES
O=C([O-])[O-].[Cs+].[Cs+]- InChIKey
FJDQFPXHSGXQBY-UHFFFAOYSA-L- Molecular formula
- CCs2O3
- Average molar mass
- 325.82 g/mol
- Monoisotopic mass
- 325.7956478
Names & identifiers
- Preferred name
- Cesium carbonate
- IUPAC
- dicesium;carbonate
- English name
- CESIUM BICARBONATE
- Molecular formula
- CHCsO3
- Molecular weight
- 193.92
Names & synonyms
Show more names
Database identifiers
- CAS
29703-01-3、534-17-8- PubChem CID
- 10796
- DTXSID
DTXSID0052178- UNII
- QQI20A14P4
- EC Number
- 208-591-9、249-784-8
- Nikkaji
- J418I
Properties
Computed structural properties
- Topological polar surface area
- 63.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 6
- Formal charge
- 0
- Complexity
- 18
Experimental & physicochemical properties
Physical Description
Dry Powder; Liquid
Highly deliquescent solid; [Merck Index] White odorless powder or granules; Hygroscopic; [Alfa Aesar MSDS]
Physicochemical properties
- Melting point
- 175 °C · 175°C
- form
- Crystalline Aggregates
- Water Solubility
- Soluble in water.
- Sensitive
- Hygroscopic
- InChI
- InChI=1S/CH2O3.Cs/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
- InChIKey
- ZMCUDHNSHCRDBT-UHFFFAOYSA-M
- SMILES
- C([O-])(=O)O.[Cs+]
- CAS DataBase Reference
- 29703 · 29703-01-3(CAS DataBase Reference)
- UNSPSC Code
- 12352302 · 12352302
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 8 · GHS08,GHS05
- Signal word
- Danger
- Hazard statements
- 318 · H318-H361f-H373
- Precautionary statements
- 202 · P202-P260-P280-P305+P351+P338-P308+P313-P405
- target organs
- Kidney,Adrenal gland,Testes
- PPE
- 95 · Eyeshields, Gloves, type N95 (US)
- Safety Statements
- 24 · 24/25
- WGK Germany
- 3 · 3
- Storage Class
- 11 · 11 - Combustible Solids
- Hazard Classifications
- 1 Repr · Eye Dam. 1Repr. 2STOT RE 2 Oral
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 1% (2 of 200) of reports.
Danger
H315 (41.5%): Causes skin irritation [Warning Skin corrosion/irritation];H318 (59%): Causes serious eye damage [Danger Serious eye damage/eye irritation];H319 (40%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (41%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation];H361f (54.5%): Suspected of damaging fertility [Warning Reproductive toxicity];H373 (58.5%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
P203, P260, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 200 reports by companies from 22 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Reported as not meeting GHS hazard criteria per 2 of 200 reports by companies.;There are 21 notifications provided by 198 of 200 reports by companies with hazard statement code(s).;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard information
Regulatory Information
Chemical: Carbonic acid, dicesium salt
Carbonic acid, cesium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Carbonic acid, cesium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 27-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/11170
Carbonic acid, dicaesium salt: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and Categories
Skin Irrit. 2 (41.5%);Eye Dam. 1 (59%);Eye Irrit. 2 (40%);STOT SE 3 (41%);Repr. 2 (54.5%);STOT RE 2 (58.5%)
Eye Dam. 1 (100%);Repr. 2 (100%);STOT RE 2 (100%)
Safety & protection
Protective Action Criteria (PAC)
7.0 [mg/m3]
77 [mg/m3]
460 [mg/m3]
Regulatory information
Regulatory Information
Chemical: Carbonic acid, dicesium salt
Carbonic acid, cesium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Carbonic acid, cesium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 27-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/11170
Carbonic acid, dicaesium salt: Does not have an individual approval but may be used under an appropriate group standard
Safety data
- PPE
- Eyeshields, Gloves, type N95 (US)
- wgk
- 3
- Signal word
- Danger
- Symbol(GHS)
- GHS08,GHS05
- safety_code
- 24/25
- Storage Class
- 11 - Combustible Solids
- target organs
- Kidney,Adrenal gland,Testes
- Hazard statements
- H318-H361f-H373
- Hazard Classifications
- Eye Dam. 1Repr. 2STOT RE 2 Oral
- Precautionary statements
- P202-P260-P280-P305+P351+P338-P308+P313-P405
Chemistry & industry
Uses & manufacturing
Uses
Catalyst in ethylene oxide polymerization; in coating for spatter-free welding of steel in CO2; in oxide cathode. [Merck Index]
Gas Welding and Cutting [Category: Weld]
General Manufacturing Information
All Other Basic Inorganic Chemical Manufacturing
Carbonic acid, cesium salt (1:2): ACTIVE
Applications
UsesCesium hydrogen carbonate is used as pharmaceutical intermediate.
Suppliers45 total
Related reactions
Linked notes
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