SPECIFICATIONS

FLUOREXON / CALCEIN

Synonyms:				Bis[N,N-												bis(carboxymethyl)aminomethyl]fluorescein;
					Calcein;Fluorescein complexone; Fluoresceing
					-methylene-immodiacetic acid

CAS No:				1461-15-0

Chemical Formula:			C30H26N2O13

Formula Weight:			622.55 

Appearance:				Yellow to Orange to orange-yellow powder

Identification (IR):			To conform to standard

Absorptivity 1%/ 1cm,                   1000 minimum
at λ max. 492.0 nm

Loss on drying:			< 10%
(110˚ C for 1 hour)

Solubility:				Clear Orange to Brown Solution
(50mg/ML in 1M NaOH)

Suitability:				Suitable for fluorometric determination of Calcium
and for EDTA indicator of Calcium in the presence of Magnesium

Effective: 01/31/15