Calcein/Fluorescein complexon/Fluorescein-2,7-bis-methylaminodiacetic acid sodium salt
Item No.： SR0131
Store at： RT
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
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