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PYROCATECHOL VIOLET

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Product Delivery Locations: 
Mumbai, JNPT, Nhava Seva, Pirpav Jetty, Ballard Pier, Mumbai Port Trust, Butcher Island, ONGC EMR Shed, MIdc, Pune, Maharastra

PYROCATECHOL VIOLET

Product Description: 

Pyrocatechol violet (PV) excellent quality manufacturer, supplier and exporter. Pyrocatechol violet (PV) is a sulfone phthalein dye made from condensing two moles of pyrocatechol with one mole of o-sulfobenzoic acid anhydride. PV has indicator properties and forms complexes with metal ions, making it useful as a chelometric reagent. As it chelates metals, a generally blue to blue-violet complex forms. Cationic surfactants, such as cetylammonium bromide significantly shift the absorbance maximum to higher wave lengths due to the formation of a higher ligand-to-metal ratio. Negatively charged chelates can be extracted into an immiscible solvent as an ionpair. 

Product Technical Specification: 
C.A.S. No. 115-41-3
M.F. C19H14O2S
M.W. 386.38gm/mole

Specifications:

Solubility 0.1% (MeOH) Clear solution
Absorption maximum(in MeOH) ?max 442-446nm
Absorptivity 1%, 1cm (in MeOH)at ?max >360
Loss on drying (110°C) <7%
Product alias: 
PYROCATECHOL VIOLET