Chromic acid disodium salt

English name：Chromotropic acid disodium salt dihydrate；Disodium Chromotropate dihydrate；1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt；4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt；Chromogen C；Chromotropic acid disodium salt；Mordant Brown 7

Other names: sodium chromic acid; Sodium 1,8-dihydroxynaphthalene-3,6-disulfonate dihydrate; 4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate; Disodium chromic acid

CAS No.: 5808-22-0

C10H6Na2S2O8•2H2O=400.29

Grade: high purity grade

Purity: ≥ 98.0%

Sensitivity test for nitrate: acceptable

Formaldehyde sensitivity test: acceptable

Physicochemical properties: white to gray, beige or light brown powder. It is easy to change color in contact with air, and actual goods often have color. It is easily soluble in water and slightly soluble in ethanol. The solution is light brown. Irritating

Purpose: biochemical research. Spectrophotometric Determination of chromium, titanium and formaldehyde. Verification of chromium, mercury, silver, titanium, chlorate, formaldehyde, nitrate and nitrite. Determination of methylenedioxy by thin layer chromatography. Determination of ethylene glycol in biomaterials. Organic synthesis

Save: RT, protected from light