RhodamineBbase , Dyecontent97% , 509-34-2

Synonym(s):
Solvent Red 49

CAS NO.：509-34-2

Empirical Formula: C28H30N2O3

Molecular Weight: 442.55

MDL number: MFCD00066967

EINECS: 208-096-8

PRODUCT Properties

• Boiling point: 553.14°C (rough estimate)
• Density: 1.1536 (rough estimate)
• vapor pressure: 0Pa at 25℃
• refractive index: 1.5800 (estimate)
• storage temp.: room temp
• solubility: ethanol: 1mg/mL
• form: Fine Crystalline Powder
• Colour Index: 45170:1
• pka: 5.80±0.20(Predicted)
• color: Lilac
• Water Solubility: 4.83g/L at 30℃
• λmax: 544 nm
• ε(extinction coefficient): ≥103000 at 542-546nm in methanol at 0.0025g/L
• LogP: 3.649 at 25℃
• CAS DataBase Reference: 509-34-2(CAS DataBase Reference)
• EPA Substance Registry System: C.I. Solvent Red 49 (509-34-2)

Description and Uses

Rhodamine B base is a fluorescent biological staining dye. Rhodamine B base is also used as a laser dye, tunable around 610 nm with the fluorescence yield being temperature dependent. Dyes and metabolites, Environmental Testing

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H302-H315-H318-H335
• Precautionary statements: P261-P280-P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 22-37/38-41
• Safety Statements: 26-36/37
• WGK Germany: 3
• HS Code: 32041300