S P E C I F I C A T I O N S

RHODAMINE B BASE

Synonyms:				Solvent Red 49; C.I. 45170.1

CAS No:				509-34-2

Chemical Formula:			C28H30N2O3

F.W.:					442.55

Appearance:				Pink to Red-Pink Powder and/or Chunks

Assay:					97% minimum

UV-Visible 				λ 544 +/- 2NM

Extinction Coefficient:		>103,000		

Solubility:				1 MG/ML, Ethanol; Clear to slightly hazy,
					Pink-Orange to Dark Pink Solution.

Effective: 08/30/16