Description

Oxamine Blue B is a synthetic organic dye belonging to the oxazine class, known for its distinctive blue color and specific chemical reactivity. This compound is valued for its role as a key intermediate and colorant in advanced material synthesis and analytical applications. It is primarily utilized by manufacturers and research laboratories in the chemical, textile, and life science sectors for specialized processes requiring precise color properties or functional dye molecules.

Application

• Textile Dyeing and Printing: Used as a colorant for synthetic and natural fibers, providing a vibrant blue hue with good fastness properties.
• Biological Staining: Employed in histology and microscopy as a selective stain for cellular and tissue components in research and diagnostic settings.
• Chemical Intermediate: Serves as a crucial precursor in the synthesis of more complex dyes, pigments, and functional organic compounds.
• Ink Formulation: A component in the manufacture of specialized inks for industrial marking, security printing, and artistic purposes.
• Photographic Sensitizer: Used in certain photographic and light-sensitive material applications.
• Analytical Reagent: Functions as an indicator or reagent in specific chemical analysis and titration methods.

Basic Information

Product Name	Oxamine Blue B
CAS No.	6428-97-3
Molecular Formula	C20H20N3O4S+ • Cl-
Molecular Weight	433.91 g/mol
Synonyms	Oxazine Blue B; C.I. 51015; Basic Blue 12; Meldola's Blue; Phenoxazine, 9-(dimethylamino)-, hydrochloride; Nile Blue A; 9-(Dimethylamino)benzo[a]phenoxazin-7-ium chloride
EINECS	229-195-0

Quality Control

Our Oxamine Blue B is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed for key parameters including identity, purity, and dye content to meet the specifications required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystals
Identification (IR)	Conforms to structure
Assay (Dye Content)	Min. 95%
Loss on Drying	Max. 2.0%
Solubility	Soluble in water and ethanol
Absorption Maximum (λmax)	~630-660 nm (in suitable solvent)

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