Calcein/Fluorescein complexon/Fluorescein-2,7-bis-methylaminodiacetic acid sodium salt

English Name: calcein; Fluorescein complexon； Fluorescein-2,7-bis-methylaminodiacetic acid sodium salt

Other names: 3,3 '- bis (methylamine diacetate) fluorescein; Fluorescein complexing agent; Fluorescein coordination agent; Bis [n, N-bis (carboxymethyl) aminomethyl] fluorescein; 3,3 '- bis (methylenediacetate) fluorescein; N. N '-[3', 6 '- dihydroxy-3-oxo spiro [isobenzofuran-1 (3H), 9' - (9h) tons] -2 ', 7' - diyl] bis (methylene)] bis [n- (carboxymethyl) glycine]

CAS No.: 1461-15-0

C30H26N2O13=622.55

Grade: ar

Complexometric titration test: acceptable

Water dissolution test: qualified

Free fluorescein: acceptable

Burning residue: ≤ 1.0%

Loss on drying: ≤ 15.0%

Physicochemical Properties: bright yellow powder. Soluble in ethanol and alkali, slightly soluble in water. Its sodium salt is orange red crystal, soluble in water, yellow and green fluorescence, insoluble in absolute ethanol and ether

Purpose: biochemical research. Complexation indicator. Fluorescent indicator. Determination of calcium, strontium, barium, copper and manganese

Save: RT