Solubility 0.1% (Dist. Water)...................................................................................................................................Clear Red Solution
Absorption Max.(at pH 10.0 in Ammonia buffer + 2 drops of EDTA soln).............................................600 - 610nm
Absopritivity (A1%/1cm at max, at pH 10.0 in Ammonia buffer+ 2 drops EDTA solution)..............> 300
On dried substance
Loss On Drying (110°C) 1 hr.....................................................................................................................................< 10%
