Xylenol/3,3′-Bis[N,N-di(carboxymethyl)aminomethyl]-o-cresolsulfonphthalein
Item No.： SR0130
Store at： RT，Avoid light
English Name: xylenol orange; 3,3′-Bis[N,N-di(carboxymethyl)aminomethyl]-o-cresolsulfonphthalein； o-Cresolsulfonphth-alein-3,3′-bismethyliminodiacetic acid
Other names: xylenol orange; 3,3 '- bis [n, N-bis (carboxymethyl) aminomethyl] o-cresol sulfonyl phthalide; O-cresol sulfonylphthalein-3,3 '- dimethyliminodiacetic acid; Xylenol orange trisodium salt; Xylenol orange sodium salt; Xylenol orange sodium salt; Xylenol orange sodium salt
CAS No.: 63721-83-5
C31H29N2Na3O13S=738.61
Grade: ar
Effective spectroscopic content: ≥ 75.0%
Zinc sensitivity test: acceptable
Free o-cresol sulfonphthalein: acceptable
Burning residue: 25.0 ~ 30.0%
Physicochemical Properties: reddish brown crystalline powder, easy to absorb moisture. Soluble in water, insoluble in absolute ethanol. The aqueous solution is red, the acidic solution is lemon yellow, the metal complex is bright red, and the alkaline solution is red purple. Melting point 210 ℃ (decomposition). Maximum absorption wavelength 580nm
Purpose: biochemical research. Complexation indicator, titrate zinc, bismuth, cadmium, cobalt, copper, iron, mercury, indium, lanthanides, nickel, lead, scandium, thorium, zirconium, thallium, uranium (VI), vanadium, etc. Photometric determination of zinc, aluminum, beryllium, bismuth, lanthanum, niobium, nickel, palladium, thorium, yttrium, zirconium, etc. Acid base indicator
Save: RT, away from light
