HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethansulfonsure
ETHANESULPHONIC ACID · ethanesulfonate · ETHYLSULFONIC ACID · EthanesuL · esilic acid · ETHYLSULFONATE · ETHANSULFONIC ACID · ethanesulfonylacid
Identifikatoren & physikalische Daten
| CAS No. | 594-45-6 |
|---|---|
| Summenformel | C2H6O3S |
| Durchschnittliche Molmasse | 110,13 g/mol |
| Monoisotopische Masse | 110,00376522 g/mol |
| SMILES | CCS(=O)(=O)O |
| InChIKey | CCIVGXIOQKPBKL-UHFFFAOYSA-N |
| PubChem CID | 11668 |
| ChEBI | CHEBI:42465 |
| EC No. | 209-843-0 |
| DTXSID | DTXSID5060487 |
| Lokaler Name | Ethansulfonsure |
Chemische & physikalische Eigenschaften
| XLogP | -0,5 |
|---|---|
| Polarare Oberfläche (TPSA) | 62,8 |
| H-Brücken-Donoren | 1 |
| H-Brücken-Akzeptoren | 3 |
| Frei drehbare Bindungen | 1 |
| Schwere Atome | 6 |
| Formalladung | 0 |
| Komplexität | 105 |
| Physical Description | Clear light yellow liquid[Sigma-Aldrich MSDS] |
| Schmelzpunkt | -17 °C (lit.) |
| Siedepunkt | 123 °C/0.01 mmHg (lit.) |
| Dichte | 1.35 g/mL at 25 °C (lit.) |
| Brechungsindex | n20/D 1.434(lit.) |
| Flammpunkt | >230 °F |
| Lagerbedingungen | Store below +30°C. |
| Löslichkeit | water: soluble |
| Aggregatzustand | Liquid |
| pKa (Säurekonstante) | 1.83±0.50(Predicted) |
| Wichte | 1.357 |
| Farbe | Colorless to yellow |
| BRN | 1743071 |
| InChI | 1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5) |
| InChIKey | CCIVGXIOQKPBKL-UHFFFAOYSA-N |
| SMILES | O=S(O)(CC)=O |
| LogP (Verteilungskoeffizient) | -1.577 (est) |
| CAS Datenbank | 594-45-6(CAS DataBase Reference) |
| EPA chemische Informationen | Ethanesulfonic acid (594-45-6) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH290 (15.3%): May be corrosive to metals [Warning Corrosive to Metals]H302+H312 (13.6%): Harmful if swallowed or in contact with skin [Warning Acute toxicity, oralacute toxicity, dermal]H302 (81.4%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (15.3%): Harmful in contact with skin [Warning Acute toxicity, dermal]H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]H318 (22%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H335 (15.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P234, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P362+P364, P363, P390, P403+P233, P405, P406, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 59 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.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. |
|---|---|
| Regulatorische Informationen | Chemical: Ethanesulfonic acidStatus: Active Update: 28-08-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/20717Ethanesulphonic acid: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | Causes burnsInhalation may cause corrosive injuries to upper respiratory tract and lungsHarmful by ingestion[Sigma-Aldrich MSDS] See Methanesulfonic acid. |
| Hazard Classes and Categories | Met. Corr. 1 (15.3%)Acute Tox. 4 (81.4%)Acute Tox. 4 (15.3%)Skin Corr. 1 (100%)Eye Dam. 1 (22%) |
Anwendungen & Verwendung
Verwenden
Ethanesulfonic acid is employed in the electrolytic reduction of perrhenate solutions. It is also used as a catalyst for alkylation, polymerization and other reactions. Further, it reacts with triethoxymethane to prepare ethanesulfonic acid ethyl ester.