Skip to Content
Merck

R6626

Rhodamine B

≥95% purity (HPLC), powder

Synonym(s):

Basic Violet 10, Brilliant Pink B, Rhodamine O, Tetraethylrhodamine

Sign In to View Organizational & Contract Pricing.

Select a Size



About This Item

Empirical Formula (Hill Notation):
C28H31ClN2O3
CAS Number:
Molecular Weight:
479.01
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
201-383-9
MDL number:
Colour Index Number:
45170
Beilstein/REAXYS Number:
4091619

Product Name

Rhodamine B, ≥95% (HPLC)

InChI key

PYWVYCXTNDRMGF-UHFFFAOYSA-N

InChI

1S/C28H30N2O3.ClH/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;1H

SMILES string

[Cl-].CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccccc4C(O)=O)=[N+](/CC)CC)c1

assay

≥95% (HPLC)

form

powder

technique(s)

titration: suitable

color

faint green to very dark green

mp

210-211 (dec.) (lit.)

solubility

H2O: 1 mg/mL

density

0.79 g/cm3

ε (extinction coefficient)

104500-115800 at 542-554 nm in methanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

Looking for similar products? Visit Product Comparison Guide

Application

Rhodamine B has been used:
  • to represent fluorescence of tetra methyl rhodamine (TMR)
  • in the preparation of adhesive resin for confocal laser scanning microscopy
  • as a fluorescent dye in intrahemolymph dye dosing and retinal image acquisition
  • to depict brain-specific dye capture
  • for imaging targets

General description

Rhodamine B is a xanthene dye, which functions as a water tracer fluorescent. It is used as a colorant in textiles and food stuffs. Rhodamine B is associated with eye, skin and respiratory tract irritation. It is used as a biomarker in oral rabies vaccine.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Novel models for studying the blood-brain and blood-eye barriers in Drosophila
Nag S, et al.
The Blood-Brain and Other Neural Barriers, 357-369 (2011)
Sulfadimethoxine and rhodamine B as oral biomarkers for European badgers (Meles meles)
Southey AK, et al.
Journal of Wildlife Diseases, 38(2), 378-384 (2002)
John F. Breidenstein
A study of water circulation in Monterey harbor using rhodamine B dye (1965)
Palmitate mediated diacylglycerol accumulation causes endoplasmic reticulum stress, Plin2 degradation, and cell death in H9C2 cardiomyoblasts
AliAkoumi
Experimental Cell Research (2017)
5 nm Silver Nanoparticles Amplify Clinical Features of Atopic Dermatitis in Mice by Activating Mast Cells
HanGoo Kang
Nano-Micro Letters (2016)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service