GBHA/Glyoxal-bis-(2-hydroxyanil)；Di-(o-hydroxyphenylimino)ethane

English Name: gbha; Glyoxal-bis-(2-hydroxyanil)； Di-(o-hydroxyphenylimino)ethane； 2,2′-(Ethanediylidenedinitrilo)diphenol

Other names: glyoxal dihydroxyaniline; Glyoxal bis (2-hydroxyaniline); Calcium red; Glyoxal bis (o-aminophenol); Glyoxal bis (2-hydroxyaniline); Neocalcium reagent

CAS No.: 1149-16-2

C14H12N2O2=240.26

Grade: CP

Melting point: 194 ~ 198 ℃

Ethanol dissolution test: qualified

Sensitivity test: acceptable

Burning residue: ≤ 0.1%

 Physicochemical Properties: white or milky crystalline powder. Soluble in methanol, acetone and ethanol, insoluble in water. The newly prepared solution is colorless and gradually turns yellow due to decomposition after placing. Melting point 204 ℃ (slightly decomposed). Irritating.

Purpose: biochemical research. Determination of trace calcium, cadmium, uranium and aluminum. Photometric determination of calcium, erbium, indium, scandium, samarium and yttrium.

Save: RT