Rhodizonic acid sodium salt/Rhodizonic acid disodium salt/Sodium dihydroxydiquinolyl

English Name:Rhodizonic acid sodium salt；Rhodizonic acid disodium salt；Sodium dihydroxydiquinolyl；Sodium tetraoxyhydroquinone；Disodium rhodizonate；5,6-Dihydroxy-5-cyclohexene-1,2,3,4-tetrone disodium salt 

Other names: sodium fumarate; 5,6-dihydroxy-5-cyclohexene-1,2,3,4-tetraketone disodium salt; Cyclohexene glycol tetraketone disodium

CAS No.: 523-21-7

C6Na2O6=214.04

Grade: ar

Barium sensitivity test: acceptable

Water dissolution test: qualified

Physicochemical  Properties: purple or brownish black crystal, soluble in water and orange, slightly soluble in sodium bicarbonate solution, insoluble in alcohol, unstable solution, fresh preparation is required when using. Melting point >300 ℃

Purpose: biochemical research. Verify barium, strontium, scandium, lead, tin and sulfate, and use them as indicators in the determination of barium and sulfate capacity

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