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234141 Sigma-Aldrich

Rhodamine B base

Dye content 97 %

Synonym: Solvent Red 49

  • CAS Number 509-34-2

  • Empirical Formula (Hill Notation) C28H30N2O3

  • Molecular Weight 442.55

  •  Colour Index Number 45170:1

  •  EC Number 208-096-8

  •  MDL number MFCD00066967

  •  PubChem Substance ID 24854024

  •  NACRES NA.47

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Properties

Related Categories Cell Biology, Hematology and Histology, Q-R, Stains & Dyes, A to Z, Stains and Dyes More...
form   solid
composition   Dye content, 97%
application(s)   hematology: suitable
  histology: suitable
solubility   ethanol: 1 mg/mL
λmax   544 nm
ε (extinction coefficient)   ≥103000 at 542-546 nm in methanol at 0.0025 g/L
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   room temp
SMILES string   CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccccc4C([O-])=O)=[N+](\CC)CC)c1
InChI   1S/C28H30N2O3/c1-5-29(6-2)19-13-15-23-25(17-19)33-26-18-20(30(7-3)8-4)14-16-24(26)27(23)21-11-9-10-12-22(21)28(31)32/h9-18H,5-8H2,1-4H3
InChI key   CVAVMIODJQHEEH-UHFFFAOYSA-N

Description

General description

Rhodamine B base is a colorless dye with undetectable fluorescence feature. In acidic condition, rhodamine B base gets transformed into a colored rhodamine dye that acts as a stable and efficient laser dye.

Packaging

10, 25 g in glass bottle

Biochem/physiol Actions

Rhodamine B base has been used as a marker in the experiment to determine the mating of B. thuringiensis-resistant females with B. thuringiensis-resistant and B. thuringiensis-susceptible males in reciprocal orders.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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