Description

Bismark Brown CAS NO 80324-43-2 is a synthetic, cationic azo dye known for its strong affinity to various substrates. This compound is valued for its consistent color strength and stability, making it a reliable choice for demanding industrial applications. It is primarily utilized in the textile, biological staining, and specialty chemical manufacturing sectors where precise coloration and performance are critical.

Application

• Textile Dyeing: Used for dyeing natural fibers like wool, silk, and leather, as well as some synthetic materials.
• Biological Staining: Serves as a histological stain in microscopy for differentiating tissues and cellular structures.
• Paper and Pulp Coloring: Employed in the production of colored papers and specialty packaging materials.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Laboratory Reagent: Used as a chemical indicator and reagent in analytical chemistry and research protocols.
• Specialty Chemical Synthesis: Acts as an intermediate or colorant in the synthesis of more complex chemical products.

Basic Information

Product Name	Bismark Brown
CAS No.	80324-43-2
Molecular Formula	C18H18N8·2HCl
Molecular Weight	419.31 g/mol
Synonyms	Bismarck Brown Y; Basic Brown 1; Vesuvin; Phenylene Brown; Manchester Brown; C.I. 21000; Azo Brown; Basic Brown G
EINECS	Contact for details

Quality Control

Our Bismark Brown is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against rigorous in-house specifications, which typically include parameters for color strength, purity, and solubility. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 85%
Loss on Drying	≤ 5.0%
Solubility (in water)	Partially soluble, forms colloidal solution
Ash Content	≤ 1.0%

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