fluorescein, Cas no 2321-07-5, nile chemicals

FLUORESCEIN
Specification	Lot :NC/2905
Batch Size	250 kgs
CI no	45350
CAS No	2321-07-5
C₂₀ H₁₂O₅
Minimum Assay	98.5%
Absorption Max	491-496 nm
Loss on drying	8%

Maximum Limits of Impurities

Lead (Pb)	0.002 %
Copper (Cu)	0.01 %
Cadmium (Cd)	0.001 %
Zinc (Zn)	0.01 %
Arsenic (As)	0.0002%
Acriflavine	Passes Test