Solubility 0.1% (Ethanol)....................................................................Clear Solution
Transition range.....................................................................................pH 8.2-9.8 (Colourless – Violet Red)
Absorptivity 1%,1cm (in 0.1N NaOH)
at λ max.568.0nm .................................................................................>1800
Loss on Drying at 110°C (1hr).............................................................<1%
