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4-sulfocatechol

4-sulfocatechol Struktur
7134-09-0
CAS-Nr.
7134-09-0
Englisch Name:
4-sulfocatechol
Synonyma:
4-sulfocatechol;Calcium Dobesilate Impurity I;Calcium Dobesilate Impurity 19;Benzenesulfonic acid, 3,4-dihydroxy-;Calcium Dobesilate Hydrate Impurity 3
CBNumber:
CB11367349
Summenformel:
C6H6O5S
Molgewicht:
190.17
MOL-Datei:
7134-09-0.mol

4-sulfocatechol Eigenschaften

Dichte
1.743±0.06 g/cm3(Predicted)
pka
-0.14±0.50(Predicted)

Sicherheit

4-sulfocatechol Chemische Eigenschaften,Einsatz,Produktion Methoden

Definition

ChEBI: A benzene ring substituted with a sulphonic acid group at position C-1, and hydroxy groups at C-3 and C-4.

Synthese

0.3 mol of disodium 4-hydroxy-1,3- benzenedisulfonate is reacted with 1.2 mol of sodium hydroxide for 36 min at 340℃; the reaction mass is diluted with water, acidified with sulfuric acid, and boiled to remove sulfur dioxide; the product is extracted with ether. Yield 80%. Pyrocatechol is obtained by hydrolyzing the sulfonic acid group at 190 ℃.

4-sulfocatechol Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


4-sulfocatechol Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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  • 4-sulfocatechol
  • Calcium Dobesilate Hydrate Impurity 3
  • Benzenesulfonic acid, 3,4-dihydroxy-
  • Calcium Dobesilate Impurity I
  • Calcium Dobesilate Impurity 19
  • 7134-09-0
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