Description

[2-[Ethyl[3-Methyl-4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate is a specialized cationic azo dye intermediate, valued for its ability to impart a strong, stable cationic charge to colorants. This property is critical for achieving excellent substantivity and colorfastness on negatively charged substrates like modified acrylics, polyamide, and certain types of paper. It is primarily sought by manufacturers in the textile dyeing, paper coloring, and specialty ink formulation industries for producing high-performance cationic dyes and pigments.

Application

• Cationic Dye Synthesis: A key intermediate for manufacturing cationic dyes used in the dyeing of acrylic fibers, modified nylons, and polyester.
• Paper Coloring: Used in the production of cationic direct dyes for paper, providing bright, bleed-resistant colors with good affinity for cellulose fibers.
• Inkjet Inks: Serves as a chromophore component in the formulation of specialty cationic inks for industrial printing and textile inkjet applications.
• Leather Dyeing: Employed in the synthesis of dyes for leather, offering good penetration and color uniformity.
• Biological Staining: Potential use as a precursor for cationic stains in histology and microbiology due to its affinity for negatively charged cellular structures.
• Functional Polymer Modification: Can be used to introduce chromophoric and ionic groups into polymers for specialized optical or conductive materials.

Basic Information

Product Name	[2-[Ethyl[3-Methyl-4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate
CAS No.	71873-55-7
Molecular Formula	C22H31N6O4S2+ • HSO4-
Molecular Weight	Approx. 587.71 g/mol (for cation + HSO4-)
Synonyms	Basic Red 46:1 (Cationic dye salt); C.I. 110825; 1,2,4-Thiadiazolium, 5-[(4-[ethyl[2-(trimethylammonio)ethyl]amino]-2-methylphenyl)azo]-3-phenyl-, sulfate (1:1); Ethyl[3-Methyl-4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Bisulfate; Cationic Azo Dye Intermediate 71873-55-7; Trimethyl-[2-[ethyl-[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]-phenyl]amino]ethyl]ammonium hydrogen sulfate
EINECS	Contact for details

Quality Control

Our production of [2-[Ethyl[3-Methyl-4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis including identity confirmation, purity assay, and impurity profiling to ensure consistent performance and reliable supply for your synthesis processes. A detailed Certificate of Analysis (COA) specifying purity, heavy metal content, and other critical parameters 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, DMF, DMSO; slightly soluble in ethanol

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