Description

Chrysoidine R is a synthetic azo dye known for its distinctive orange to red color. This compound is valued for its strong tinctorial strength and good lightfastness in specific applications, making it a reliable colorant for industrial processes. It serves as a critical intermediate and colorant in sectors such as textile dyeing, biological staining, and analytical chemistry. Our supply ensures consistent quality and purity for demanding industrial and research applications.

Application

• Textile Dyeing: Used as a direct or acid dye for coloring natural and synthetic fibers, including silk, wool, and nylon.
• Biological Staining: Employed in microbiology and histology as a stain for bacterial identification and tissue sample preparation.
• Analytical Chemistry: Functions as an indicator or a reagent in various colorimetric assays and titration processes.
• Leather Industry: Applied in the dyeing of leather goods to achieve vibrant orange and red hues.
• Paper Coloring: Utilized for tinting specialty papers and paper products.
• Ink Formulation: Serves as a pigment component in the manufacture of printing inks and stamp pads.
• Research & Development: Acts as a chemical intermediate or reference standard in synthetic organic chemistry and material science research.

Basic Information

Product Name	Chrysoidine R
CAS No.	4438-16-8
Molecular Formula	C12H13ClN4
Molecular Weight	248.71 g/mol
Synonyms	Basic Orange 1; Chrysoidine Y; Chrysoidine G; 2,4-Diaminoazobenzene hydrochloride; 4-Phenylazo-m-phenylenediamine monohydrochloride; C.I. 11270; Azoic Diazo Component 37; Bismarck Brown R
EINECS	224-647-2

Quality Control

Our Chrysoidine R is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing the results for parameters such as assay, heavy metals, and loss on drying is provided with every shipment to guarantee traceability and compliance.

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	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Clear, orange solution
pH (1% solution)	4.0 - 6.0

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