Description

Cibacron Blue 3G-A is a highly purified, reactive anthraquinone dye widely recognized for its specific affinity to nucleotide-binding proteins. This compound is a critical tool in biochemical research and industrial processes, valued for its precision and reliability in separation and purification workflows. It is essential for manufacturers and research institutions in the biotechnology, pharmaceutical, and diagnostic sectors requiring high-performance affinity ligands.

Application

• Primary ligand for the purification of proteins and enzymes, particularly dehydrogenases, kinases, and serum albumin, via affinity chromatography.
• Immobilization onto agarose or other matrices to create affinity chromatography media for large-scale bioprocessing.
• Used in diagnostic kit development as a colorimetric reagent or a binding component in assay systems.
• Research applications in studying protein-ligand interactions and enzyme kinetics.
• Potential use in textile dyeing as a high-quality, reactive blue dye for natural fibers like cotton.
• As a staining agent in gel electrophoresis for the detection of specific protein bands.

Basic Information

Product Name	Cibacron Blue 3G-A
CAS No.	84166-13-2
Molecular Formula	C29H20ClN7O9S2
Molecular Weight	710.10 g/mol
Synonyms	Reactive Blue 2; C.I. Reactive Blue 2; Procion Blue H-B; Remazol Brilliant Blue R; Anthraquinone Blue 3G-A; 1-Amino-4-[[4-[(4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid
EINECS	Contact for details

Quality Control

Our Cibacron Blue 3G-A is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity suitable for sensitive applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance characteristics. We adhere to relevant industry guidelines to support our customers' compliance needs in research and production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark blue to blue-black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.