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Product Name	PYROCATECHOL VIOLET AR (CATECHOL VIOLET)
Article No	P0172400001
CAS No	115-41-3
Molecular Formula	C₁₉H₁₄O₇S
Molecular Weight	386.38

Specifications

Appearance:	Dark green to green metallic or Brown Crystalline powder
Absorption maxima (in methanol):	441 to 449 nm
Appearance of solution (0.1% aq. solution ):	Clear
Specific absorptivity A1%/1 cm (lmax; methanol):	Min 375
Suitability (for complexometric determination of metal oxides):	Passes test