PYROCATECHOL VIOLET AR (CATECHOL VIOLET)*

PYROCATECHOL VIOLET AR (CATECHOL VIOLET)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0172400001 AR 115-41-3 C19H14O7S 386.38 3204.9000
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Yellow to pink

Melting Point/ Freezing point [°C]

185 °C

Solubility in water [% weight]

Soluble in water

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
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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