4-sulfocatechol

Product Name: 4-sulfocatechol
CAS No.: 7134-09-0
Chemical Name: 4-sulfocatechol
Synonyms: 4-sulfocatechol;Calcium Dobesilate Impurity I;Calcium Dobesilate Impurity 19;Benzenesulfonic acid, 3,4-dihydroxy-;Calcium Dobesilate Hydrate Impurity 3
CBNumber: CB11367349
Molecular Formula: C6H6O5S
Formula Weight: 190.17
MOL File: 7134-09-0.mol

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4-sulfocatechol Property

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

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Hazard and Precautionary Statements (GHS)

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4-sulfocatechol Chemical Properties,Usage,Production

Definition

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

Synthesis

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 Preparation Products And Raw materials

Raw materials

Preparation Products

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4-sulfocatechol Suppliers

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7134-09-0, 4-sulfocatecholRelated Search:

4-sulfocatechol

Calcium Dobesilate Hydrate Impurity 3

Benzenesulfonic acid, 3,4-dihydroxy-

Calcium Dobesilate Impurity I

Calcium Dobesilate Impurity 19

7134-09-0