Fluorescein sodium , Cas no 518-47-8 , Nile Chemicals

FLUORESCEIN SODIUM
.	.	.
Specification	Test	Results
Batch Size	250 kgs	.
Batch no:	FS - 35	.
CI no	45350	.
CAS No	518-47-8	.
C_{20 H10Na2O5}	.	.
_M.W.	_376.28	.
_{Minimum Assay}	_98.5%	_99.00%
_{Absorption1% 1Cm in pH 8.0 at}	_{(1950 - 2150)}	₂₁₄₀
_{am,da max 491.00 nm}	.	.
_{Loss on drying}	_7%	_4.56%
_Solubility	_{Clear brown Soln}	_Passes
.	_{(with green Fluorescence)}
.	.	.
_{Maximum Limits of Impurities}	.	.
.	.	.
_{Lead (Pb)}	_{0.002 %}	_Complies
_{Copper (Cu)}	_{0.01 %}	_Complies
_{Cadmium (Cd)}	_{0.001 %}	_Complies
_{Zinc (Zn)}	_{0.01 %}	_Complies
_{Arsenic (As)}	_0.0002%	_Complies