o-Cresolphthalein complexone, pure

Supplier: Thermo Scientific

Synonyms: o-Cresolphthalein Complexone, Phthalein purple, Cresol phthalexone, Xylenolphthalein-bis(iminodiacetic acid), Phthalein complexone, Phthalate complexing agent [Chelation indicator], Metal phthaleine, o-Cresolphthalexon

182440050 182440250 182441000
ACRO182440050EA 198 GBP
ACRO182440050 ACRO182440250 ACRO182441000
o-Cresolphthalein complexone, pure
o-Cresolphthalein complexone
Formula: C₃₂H₃₂N₂O₁₂
MW: 636,62 g/mol
Melting Pt: 181 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00005911
CAS Number: 2411-89-4
EINECS: 219-318-8

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Specification Test Results

Appearance Off-white to pink-beige Powder
Infrared spectrum Conforms
UV spectrum Complies
Loss on drying ≤10 % (1 g, 105°C)
Sulfated ash ≤0.5 %
UV Lambda max 573 to 579 nm (in 0.1N NaOH)
Suitability (as complexom. indicator) Passes test

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