Description

Aniline Blue Diammonium Salt Certified is a certified biological stain derived from triphenylmethane, supplied as the diammonium salt. This certification ensures batch-to-batch consistency and reliable performance for critical laboratory and industrial applications. It is an essential reagent for histological and cytological staining procedures, providing vivid coloration for microscopic analysis. Key industries that rely on this product include life sciences research, diagnostic laboratories, and educational institutions.

Application

• Histological Staining: Primarily used as a counterstain in Mallory's connective tissue stain and other trichrome methods to differentiate collagen fibers.
• Cytological Analysis: Employed in staining protocols for visualizing cellular structures and extracellular matrix components under light microscopy.
• Textile Industry: Functions as a colorant for dyeing silk, wool, and other protein-based fibers.
• Ink Manufacturing: Serves as a component in the formulation of specialized inks, including ballpoint pen inks and stamp pad inks.
• Biological Research: Utilized in various laboratory staining kits and protocols for tissue section analysis in pathology and biomedical research.
• Quality Control Reagent: Acts as a standard or reference material in quality assurance processes for staining products and diagnostic kits.

Basic Information

Product Name	Aniline Blue Diammonium Salt Certified
CAS No.	66687-07-8
Molecular Formula	C37H31N3O9S3 · 2NH3 (or C37H39N5O9S3)
Molecular Weight	~785.94 g/mol
Synonyms	Acid Blue 22; Aniline Blue, water soluble; China Blue; Cotton Blue; Ink Blue; Methyl Blue; Soluble Blue; Triphenylmethane Blue; C.I. 42780; Diammonium [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-dimethylazanium; hydrogen sulfate
EINECS	Contact for details

Quality Control

Our Aniline Blue Diammonium Salt Certified is manufactured under a rigorous quality management system. Each batch is tested to ensure it meets the stringent specifications required for certified biological stains, including identity, purity, and staining performance. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing the results of all relevant analytical tests. We are committed to supplying a product with the consistency and reliability demanded by research and diagnostic laboratories worldwide.

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). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to blue-violet powder
Identification (IR)	Conforms to structure
Assay (Dye Content)	≥ 85%
Loss on Drying	≤ 10.0 %
Solubility (in Water)	Clear, blue solution
Staining Test	Passes performance test
Heavy Metals (as Pb)	≤ 20 ppm

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