Skip to Content
Merck
All Photos(3)

Key Documents

234141

Sigma-Aldrich

Rhodamine B base

Dye content 97 %

Synonym(s):

Solvent Red 49

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C28H30N2O3
CAS Number:
Molecular Weight:
442.55
Colour Index Number:
45170:1
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

solid

composition

Dye content, 97%

technique(s)

microbe id | staining: suitable

solubility

ethanol: 1 mg/mL

λmax

544 nm

ε (extinction coefficient)

≥103000 at 542-546 nm in methanol at 0.0025 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

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

Looking for similar products? Visit Product Comparison Guide

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.

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.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

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

Offspring from sequential matings between Bacillus thuringiensis-resistant and Bacillus thuringiensis-susceptible Heliothis virescens moths (Lepidoptera: Noctuidae).
Blanco CA
Journal of Economic Entomology, 103, 861-868 (2010)
F. Kajzar, Vladimir M. Agranovich
Multiphoton and Light Driven Multielectron Processes in Organics: New Phenomena, Materials and Applications (1999)

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