GBHA/Glyoxal-bis-(2-hydroxyanil)；Di-(o-hydroxyphenylimino)ethane
Item No.： SR0176
Store at： RT
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.
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