Transition Range............................................................................................pH 5.2 – pH 6.8
Greenish Yellow – Purple
Solubility 0.1% (20% EtOH).......................................................................Clear golden yellow Solution
Absorptivity 1%, 1cm
(pH 4.7) at λmax.439.0 nm........................................................................(340-370)
(pH 6.3) at λmax.579.0 nm........................................................................(585-720)
Loss on Drying at 1100C (1hr)...................................................................<5%
