Rhodamine B, for biochemistry, GR

Name: Rhodamine B, for biochemistry, GR
Brand: Vaqora Chemicals
SKU: VQ-000701

About Rhodamine B, for biochemistry, GR

Rhodamine B is a biological stain (AR / Biochemistry grade) carrying the CAS registry number 81-88-9. The compound has the formula C28H31ClN2O3, corresponding to a molecular weight of 479.0 g/mol. Its systematic (IUPAC) name is [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride. It is also known as Basic Violet 10 or Brilliant Pink B.

In its supplied form it is a faint green to very dark green powder. Key physical data: a melting point of 199 - 201 °C and a density of 1.31 g/cm3 (20 °C). Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Rhodamine B in 25 g, 100 g, 1 kg and 5 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rhodamine B, for biochemistry, GR
Catalogue No.	VQ-000701
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
Grade	AR / Biochemistry
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	Faint green to very dark green powder
Melting point	199 - 201 °C
Density	1.31 g/cm3 (20 °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

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, for biochemistry, GR?

The CAS Registry Number of Rhodamine B, for biochemistry, GR 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 biochemistry, GR?

Rhodamine B, for biochemistry, GR 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 biochemistry, GR can I order?

We supply Rhodamine B, for biochemistry, GR in AR / Biochemistry grade, in 25 g, 100 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

Yes. Every lot of Rhodamine B, for biochemistry, GR 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 biochemistry, GR be shipped internationally?

Yes. Rhodamine B, for biochemistry, GR 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.