Merck
All Photos(3)

234141

Sigma-Aldrich

Rhodamine B base

Dye content 97 %

Synonym(s):
Solvent Red 49
Empirical Formula (Hill Notation):
C28H30N2O3
CAS Number:
Molecular Weight:
442.55
Colour Index Number:
45170:1
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

solid

Quality Level

composition

Dye content, 97%

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

Related Categories

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.[1]

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.[2]

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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