Ethanedisulfonic acid is a diprotic sulfonic acid, with pKa values of -1.46 and -2.06, making it a very strong acid. When used in pharmaceutical formulations, the salts with the active ingredient are known as edisylates.
Quick facts Names, Identifiers ...
Ethane disulfonic acid
 Skeletal formula |
 Ball-and-stick model |
| Names |
Preferred IUPAC name
Ethane-1,2-disulfonic acid |
| Other names
Edisylic acid |
| Identifiers |
|
|
|
|
| ChemSpider |
|
| ECHA InfoCard |
100.003.394 |
|
|
| UNII |
|
|
|
InChI=1S/C2H6O6S2/c3-9(4,5)1-2-10(6,7)8/h1-2H2,(H,3,4,5)(H,6,7,8) N Key: AFAXGSQYZLGZPG-UHFFFAOYSA-N N InChI=1/C2H6O6S2/c3-9(4,5)1-2-10(6,7)8/h1-2H2,(H,3,4,5)(H,6,7,8) Key: AFAXGSQYZLGZPG-UHFFFAOYAT
|
|
| Properties |
|
C2H6O6S2 |
| Molar mass |
190.18 g·mol−1 |
| Melting point |
172 to 174 °C (342 to 345 °F; 445 to 447 K)[1]
111-112 °C (dihydrate)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Close
