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Supelco

Rhodamine B

analytical standard

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C28H31ClN2O3
CAS Number:
81-88-9
Molecular Weight:
479.01
Colour Index Number:
45170
Beilstein:
4091619
EC Number:
201-383-9
MDL number:
MFCD00011931
UNSPSC Code:
85151701
PubChem Substance ID:
329768608
NACRES:
NA.24

grade

analytical standard

Quality Level

100

Assay

≥97.0% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

210-211 (dec.) (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

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

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

InChI key

PYWVYCXTNDRMGF-UHFFFAOYSA-N

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General description

Rhodamine B is a cationic dye.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Rhodamine B may be used as a reference standard in the determination of rhodamine B in chili containing products using high-performance liquid chromatography with fluorescence detection (HPLC-FLD).

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H318,H412

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH9054
BCCC1562
BCBF6824V
1398433V
1398433

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Development of a rapid, simple and sensitive HPLC-FLD method for determination of rhodamine B in chili-containing products.
Qi P, et al.
Food Chemistry, 164(16), 98-103 (2014)
Photoassisted degradation of dye pollutants. 3. Degradation of the cationic dye rhodamine B in aqueous anionic surfactant/TiO2 dispersions under visible light irradiation: evidence for the need of substrate adsorption on TiO2 particles.
Zhao J, et al.
Environmental Science & Technology, 32(16), 2394-2400 (1998)
Shengnan Su et al.
Journal of hazardous materials, 244-245, 736-742 (2012-12-01)
The removal of Rhodamine B (RhB) by Co(x)Fe(3-x)O(4) magnetic nanoparticles activated Oxone has been performed in this study. A series of Co(x)Fe(3-x)O(4) nanoparticles was synthesized using a hydrothermal method. The synthetic Co(x)Fe(3-x)O(4) nanoparticles were characterized using X-ray diffraction (XRD) and
Daniel J Coles et al.
Chemical communications (Cambridge, England), 49(37), 3836-3838 (2013-02-19)
Hyperbranched polymers conjugated to a peptide-aptamer were prepared using a combination of RAFT polymerisation and click chemistry for targeting tumour cells in vivo. The polymers showed enhanced cell-uptake in vitro (compared to unconjugated polymer) while excellent specificity for solid tumours
Atul Bhardwaj et al.
Bioorganic & medicinal chemistry letters, 23(1), 163-168 (2012-12-04)
The observation that the cyclooxygenase-2 (COX-2) isozyme is over-expressed in multiple types of cancer, relative to that in adjacent non-cancerous tissue, prompted this investigation to prepare a group of hybrid fluorescent conjugates wherein the COX inhibitors ibuprofen, (S)-naproxen, acetyl salicylic
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