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Merck

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

Key Documents

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Product Name

Rhodamine B, analytical standard

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

grade

analytical standard

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

Quality Level

100

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Related Categories

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).

General description

Rhodamine B is a cationic dye.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

79754-25MG: + 79754-BULK: + 79754-VAR:

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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
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
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