ANALYTYKA Fine Chemicals and Pharmaceutical Raw Materials

Calcein PA
for complexometry


C30H26N2O13



 

M.= 622,54 CAS [1461-15-0] EINECS 215-957-1
NC 3204 16 00    


SYNONYMS: Fluorexone · bis-[N,N-bis-(Carboximethyl)Aminomethyl] Fluorescein · Fluorescein Complexone ·
PHYSICAL DATA: Orange powder · Solubility in water 4 g/l. In alcohol 0,6 g/l · M. P.: 300 ºC dec. ·
 

SPECIFICATIONS:

Identity IR p/t.
l of max. ABS. in NaOH 0,002 mol/l 492-500 nm
A 1%, 1cm, lmax >650
T.L.C p/t.

MAXIMUM LIMIT OF IMPURITIES		   
Insoluble matter in NaOH p/t.
Loss on drying at 135°C 15 %
Suitability as complexometric indicator. p/t.