m-NITROPHENOL INDICATOR AR

Short Name: m-NITROPHENOL INDICATOR

Other Names: 3-Nitrophenol

Chemical Specifications

Appearance : Brownish yellow coloured powder

Assay (acidimetric) : Min 99%

Melting point : 95 - 99 deg C

pH 6.6 - 8.6 : Colourless to yellow-orange

Absorption maxima (buffer pH 6.6) : 329 - 333 nm

Absorption maxima (buffer pH 11.0) : 389 - 393 nm

Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 6.6) : 130 - 150

Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 11.0) : 100 - 120