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79754

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
EC Number:
201-383-9
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329768608
MDL number:
MFCD00011931
Colour Index Number:
45170
Beilstein/REAXYS Number:
4091619
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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

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.

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pictograms

CorrosionExclamation mark
GHS05,GHS07

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM6591
BCCH9054
BCCC1562

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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)
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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