powder
Synonym(s): o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid; o-Cresolphthalexon; Metal phthalein; Phthalein purple; Xylenylphthalein-bisiminodiacetic acid
Empirical Formula: C32H32N2O12
Formula Weight: 636.60
Linear Formula: C32H32N2O12
MDL Number: MFCD00005911
Melting Point: 181-185 °C (dec.)(lit.)
Beilstein Registry Number: 381994