Rhodamine B, ≥95% (HPLC)

Name: Rhodamine B, ≥95% (HPLC)
Brand: Vaqora Chemicals
SKU: VQ-000702

About Rhodamine B, ≥95% (HPLC)

Vaqora Chemicals supplies Rhodamine B, a biological stain registered under CAS number 81-88-9, specified at ≥95% purity. Formula C28H31ClN2O3, molecular weight 479.0 g/mol. Systematically, it is named [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride. Alternative names: Basic Violet 10 and Brilliant Pink B.

In its supplied form it is a greenish powder. Reported physical data include a melting point of 210-211 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and pharmaceutical synthesis. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Pharmaceutical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rhodamine B, ≥95% (HPLC)
Catalogue No.	VQ-000702
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
Purity / assay	≥95%
HSN code	32041342
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	Powder
Appearance	Greenish powder
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

AR / Biochemistry

Rhodamine B, for biochemistry, GR

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

VQ-000701

Rhodamine B, for fluorescence

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

VQ-002704

Frequently asked questions

What is the CAS number of Rhodamine B, ≥95% (HPLC)?

The CAS Registry Number of Rhodamine B, ≥95% (HPLC) 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, ≥95% (HPLC)?

Rhodamine B, ≥95% (HPLC) 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, ≥95% (HPLC) can I order?

We supply Rhodamine B, ≥95% (HPLC) in (≥95%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Rhodamine B, ≥95% (HPLC)?

Yes. Every lot of Rhodamine B, ≥95% (HPLC) 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, ≥95% (HPLC) be shipped internationally?

Yes. Rhodamine B, ≥95% (HPLC) 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.