Description

2-[(4-Amino-2-Chlorophenyl)Azo]-1,3-Dimethyl-1H-Imidazolium Methyl Sulphate is a specialized cationic diazo compound, valued for its role as a key intermediate in the synthesis of high-performance dyes and pigments. Its chemical structure is engineered to provide excellent color fastness and compatibility with various substrates, making it a critical component for manufacturers seeking consistent and vibrant coloration. This product is primarily utilized by the textile, ink, and specialty chemical industries for producing advanced colorants and functional materials.

Application

• Textile Dye Intermediate: A crucial precursor for synthesizing cationic dyes used on acrylic, modacrylic, and polyester fibers.
• Ink Manufacturing: Used in the production of specialty inks, including jet printing inks and security inks, where color intensity and stability are paramount.
• Paper Coloring: Employed in the manufacture of high-quality, color-fast dyes for specialty papers and packaging.
• Biological Staining: Serves as an intermediate for developing histochemical stains and diagnostic reagents in life sciences.
• Functional Material Synthesis: Used in research and development of photoactive materials and organic semiconductors.
• Leather Dyeing: An intermediate for dyes that provide uniform and durable coloration for leather goods.

Basic Information

Product Name	2-[(4-Amino-2-Chlorophenyl)Azo]-1,3-Dimethyl-1H-Imidazolium Methyl Sulphate
CAS No.	83969-19-1
Molecular Formula	C12H17ClN6O4S
Molecular Weight	376.82 g/mol
Synonyms	1,3-Dimethyl-2-[(4-amino-2-chlorophenyl)azo]-1H-imidazol-3-ium methyl sulfate; C.I. Basic Red 46 intermediate; 2-[(4-Amino-2-chlorophenyl)azo]-1,3-dimethylimidazolium methyl sulfate; 1H-Imidazolium, 2-[(4-amino-2-chlorophenyl)azo]-1,3-dimethyl-, methyl sulfate; Cationic diazo salt 83969-19-1; Azo imidazolium salt; Methyl sulfate salt of 2-[(4-amino-2-chlorophenyl)azo]-1,3-dimethylimidazole
EINECS	Contact for details

Quality Control

Our production of 2-[(4-Amino-2-Chlorophenyl)Azo]-1,3-Dimethyl-1H-Imidazolium Methyl Sulphate adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including HPLC and NMR to verify identity and assay. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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