Fast Green F.C.F., Certified 

Fast Green F.C.F. is a high-purity, water-soluble triphenylmethane dye that serves as a stain for plant tissues and proteins in gel electrophoresis. It also acts as a counterstain with safranin.

Specifications:

Synonyms:                                                       Food green 3; Aizen Food Green No. 3; C.I. 42053; FD&C

                                                                          Green No. 3; Solid Green FCF; 1724 Green

CAS No:                                                            2353-45-9

Chemical Formula:                                         C37H34N2O10S3Na2

Formula Weight:                                             808.86

Description:                                                     Red to brown Powder

Spectroscopy

(in 50% aqueous ethanol):                            Lambda max.622 + 3 nm

Water-insoluble matter:                                0.20% maximum

Lead (Pb):                                                        10 mg/kg maximum

Solubility

1 mg/ml in H2O:                                             Dark blue-green solution