Names | |
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Preferred IUPAC name 2,2′-(Ethene-1,2-diyl)bis(5-isothiocyanatobenzene-1-sulfonic acid) | |
Other names 5-Isothiocyanato-2-benzenesulfonic acid | |
Identifiers | |
CAS Number |
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3D model (JSmol) | |
Abbreviations | DIDS |
Beilstein Reference | 6543839 |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.152.489 |
IUPHAR/BPS | |
KEGG | |
MeSH | 4,4'-Diisothiocyanostilbene-2,2'-disulfonic+acid |
PubChem CID | |
UNII |
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CompTox Dashboard (EPA) | |
InChI
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SMILES
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Properties | |
Chemical formula | C16H10N2O6S4 |
Molar mass | 454.50 g·mol−1 |
Melting point | 400 °C (752 °F; 673 K) |
log P | 4.72 |
Acidity (pKa) | -3.21, -1.428, -0.37, 0.23 |
Basicity (pKb) | 13.77, 14.37, 15.425, 17.21 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references |
4,4′-Diisothiocyano-2,2′-stilbenedisulfonic acid (DIDS) is an anion exchange inhibitor, blocking reversibly, and later irreversibly, exchangers such as chloride-bicarbonate exchanger.
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