Solvent Red 49 CAS 509-34-2

Solvent red 49/Rhodamine B base

Name	Solvent Red 49
Synonyms	Rhodamine B base; C.I.45170;Oil Pink FB
Molecular Structure
Molecular Formula	C28H30N2O3
Molecular Weight	442.55
CAS Registry Number	509-34-2
EC Number	208-096-8

Uses:

1. Industrial coloring: 

Widely used for coloring oils, candles, rubber, plastics, and transparent paints, 

especially exhibiting good solubility and fluorescent effects in transparent paints.

2. Research materials:

Used as experimental reagents in universities and research institutes for scientific research and analysis.

3. Biological staining: 

Used as a biological staining dye, suitable for cell or tissue labeling.

4. Optical applications:

 As a laser dye, it can be adjusted at a wavelength of about 610 nm and has temperature dependent fluorescence properties