Coomassie brilliant blue R 250

Name: Coomassie brilliant blue R 250
Brand: Vaqora Chemicals
SKU: VQ-000541

About Coomassie brilliant blue R 250

Coomassie brilliant blue R 250 is a biological stain in Electrophoresis grade carrying the CAS registry number 6104-59-2. Formula C45H44N3NaO7S2, molecular weight 826.0 g/mol. Alternative names: Acid Blue 83 and Brilliant indocyanin 6B.

The product is provided as a powder. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for 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.

We offer Coomassie brilliant blue R 250 in 5 g, 10 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Coomassie brilliant blue R 250
Catalogue No.	VQ-000541
CAS Number	6104-59-2
IUPAC name	sodium 3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
Molecular formula	C₄₅H₄₄N₃NaO₇S₂
Molecular weight	826 g/mol
Exact mass	825.2518
Grade	Electrophoresis
HSN code	32041259
InChIKey	NKLPQNGYXWVELD-UHFFFAOYSA-M
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]
PubChem CID	61365

Physical properties
Physical form	Powder
Appearance	Powder
H-bond donors / acceptors	1 / 9
TPSA	159 Å²
Synonyms	Acid Blue 83, Brilliant indocyanin 6B, Coomassie Brilliant Blue R, Brilliant Blue R, C.I. Acid Blue 83, Eriosin Brilliant Cyanine 6B, Coomassie blue R 250, Brilliant Blue R250, Coomassie blue R-250, Coomassie Brilliant Blue R-250, Acid Cyanine 6B, Solar Cyanine 6B

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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 6104-59-2

Microscopy

Brilliant blue R

CAS: 6104-59-2
Formula: C₄₅H₄₄N₃NaO₇S₂
MW: 826 g/mol

VQ-000508

Frequently asked questions

What is the CAS number of Coomassie brilliant blue R 250?

The CAS Registry Number of Coomassie brilliant blue R 250 is 6104-59-2. It is also known as Acid Blue 83, Brilliant indocyanin 6B, Coomassie Brilliant Blue R.

What is the molecular formula and molecular weight of Coomassie brilliant blue R 250?

Coomassie brilliant blue R 250 has the molecular formula C45H44N3NaO7S2 and a molecular weight of 826 g/mol.

Which grade and pack sizes of Coomassie brilliant blue R 250 can I order?

We supply Coomassie brilliant blue R 250 in Electrophoresis grade, in 5 g, 10 g, 25 g, 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Coomassie brilliant blue R 250?

Yes. Every lot of Coomassie brilliant blue R 250 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 Coomassie brilliant blue R 250 be shipped internationally?

Yes. Coomassie brilliant blue R 250 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.