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Rhodamine B

analytical standard

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Synonym(s):
Basic Violet 10, Brilliant Pink B, Rhodamine O, Tetraethylrhodamine
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
PubChem Substance ID:
329768608

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

Certificates of Analysis (COA)

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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)
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)
Linda Johansson et al.
Ultrasonics, 53(5), 1020-1032 (2013-03-19)
An acoustic trap with miniaturized integrated transducers (MITs) for applications in non-contact trapping of cells or particles in a microfluidic channel was characterized by measuring the temperature increase and trapping strength. The fluid temperature was measured by the fluorescent response
Ewa Anna Blazejewska et al.
Stem cells (Dayton, Ohio), 27(3), 642-652 (2008-12-17)
The aim of this study was to investigate the transdifferentiation potential of murine vibrissa hair follicle (HF) stem cells into corneal epithelial-like cells through modulation by corneal- or limbus-specific microenvironmental factors. Adult epithelial stem cells were isolated from the HF
Van Duong Ta et al.
Scientific reports, 3, 1362-1362 (2013-03-02)
Optical microcavities are important for both fundamental studies of light-matter interaction and applications such as microlasers, optical switches and filters etc... Tunable microresonators, in which resonant modes can be manipulated, are especially fascinating. Here we demonstrate a unique approach to
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