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Xylenol orange, tetrasodium salt, indicator for metal titration, ACS

- Synonyms: 3',3'-Bis[bis(carboxymethyl)-aminoethyl] cresol sulfone phtrane sodium saltr- C31H28N2Na4O13Sr- M = 760,60 g/molr- CAS [3618-43-7]r- EINECS-No.: 222-805-8r- Solub. in water: (20 ºC): ~ 510 g/lr- Tariff number: 2934 99 90 90r- Applications: analytical chemistry, indicator, for metals titration.rrSPECIFICATIONSrAbsorption maximum l (pH 14,0) : 582 - 585 nm rAbsorptivity (A1%/1 cm; l max, pH 14,0 on dried sample): 600 - 650 rappearance of solution: passes testrsuitability as indicator for metal titration : passes testrloss on drying (110 ºC): max. 7 % r