Good Quality with Low Price Rhodamine B CAS 81-88-9

ltem                               
                                       (Ind)
Sensitivity                       
Solubility
()Ignition residue,%  ≤0.25


99%(HPLC):


Appearance                         
Infrared spectrometry     
Purity                              >99.0% (HPLC)
λ max 545 nm ()
Molar absorption coeff. 106000 l/(mole.cm) (λ max.)
Fluorescence max 565 nm ()
Optimum lasing 588 nm ()
:.


≥95.0% (HPLC) 

Appearance                          Faint Green to Very Dark Green Powder
Infrared spectrometry      Conforms to Structure
Purity (HPLC)                      ≥95.0%
Solubility                        Faint Red to Purple,1 mg/mL, H2O
UV Absorbance Ratio                    0.50
                                       ABS at 510 nm/Abs at Lambda Max, in MeOH
EmM                                    104.5- 115.8
λ Max                                  552- 554 nm



                                      
                                       (AR)
Appearance                         
Infrared spectrometry     
Loss on drying <10 % (105°C)
λ max 549 - 558 nm (IMS:=50:50 )
Absorpt. Ratio P-15/P+15 1.1 - 1.6
Specific abs. A (1%/1cm) >1700 (λ max.)