Rhodamine B, for fluorescence

Name: Rhodamine B, for fluorescence
Brand: Vaqora Chemicals
SKU: VQ-002704

About Rhodamine B, for fluorescence

Listed under CAS 81-88-9, Rhodamine B is an enzyme / protein reagent available from Vaqora Chemicals. Formula C28H31ClN2O3, molecular weight 479.0 g/mol. Its systematic (IUPAC) name is [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride. Alternative names: Basic Violet 10 and Brilliant Pink B.

The material typically appears as powder or crystals. Reported physical data include a melting point of 210-211 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for enzymatic assays, enzyme inhibition studies, protein research and biological staining. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Available in 1 g packs, Rhodamine B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Rhodamine B, for fluorescence
Catalogue No.	VQ-002704
CAS Number	81-88-9
IUPAC name	[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride
Molecular formula	C₂₈H₃₁ClN₂O₃
Molecular weight	479 g/mol
Exact mass	478.2023
HSN code	29420090
InChIKey	PYWVYCXTNDRMGF-UHFFFAOYSA-N
SMILES	CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=CC=CC=C4C(=O)O.[Cl-]
PubChem CID	6694

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals
Melting point	210-211 °C
H-bond donors / acceptors	1 / 5
TPSA	52.8 Å²
Synonyms	Basic Violet 10, Brilliant Pink B, Rhodamine O, Tetraethylrhodamine, Rhodamine B chloride, Calcozine Red BX, Symulex Magenta F, Rhodamine, Rheonine B, Rhodamine FB, Geranium lake N, Rhodamine BA

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P354 + P338, P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 81-88-9

Rhodamine B, ≥95% (HPLC)

CAS: 81-88-9
Formula: C₂₈H₃₁ClN₂O₃
MW: 479 g/mol

VQ-000702

AR / Biochemistry

Rhodamine B, for biochemistry, GR

CAS: 81-88-9
Formula: C₂₈H₃₁ClN₂O₃
MW: 479 g/mol

VQ-000701

Frequently asked questions

What is the CAS number of Rhodamine B, for fluorescence?

The CAS Registry Number of Rhodamine B, for fluorescence is 81-88-9. It is also known as Basic Violet 10, Brilliant Pink B, Rhodamine O.

What is the molecular formula and molecular weight of Rhodamine B, for fluorescence?

Rhodamine B, for fluorescence has the molecular formula C28H31ClN2O3 and a molecular weight of 479 g/mol. Its IUPAC name is [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride.

Which grade and pack sizes of Rhodamine B, for fluorescence can I order?

We supply Rhodamine B, for fluorescence, in 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Rhodamine B, for fluorescence?

Yes. Every lot of Rhodamine B, for fluorescence is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Rhodamine B, for fluorescence be shipped internationally?

Yes. Rhodamine B, for fluorescence is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.