Description

n-[2-[n-Ethyl-4-[[6-(Methylsulphonyl)Benzothiazol-2-Yl]Azo]-m-Toluidino]Ethyl]Phthalimide CAS NO 2203-01-2 is a specialized, high-purity azo dye intermediate characterized by its benzothiazole and phthalimide functional groups. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent color fastness and thermal stability. It is primarily required by manufacturers in the textile, ink, and advanced materials sectors seeking to produce vibrant, durable colors.

Application

• Disperse Dye Synthesis: A key intermediate for producing high-quality disperse dyes used in polyester and acetate fiber coloring.
• Pigment Manufacturing: Utilized in the creation of organic pigments for inks, plastics, and coatings that demand superior weatherability.
• Textile Printing: Serves as a precursor for dyes applied in textile printing processes requiring sharp color definition and wash-fastness.
• Functional Material Research: Investigated in R&D for potential applications in nonlinear optical materials and other advanced functional polymers.
• Analytical Chemistry: May be used as a standard or reagent in chromatographic analysis and method development for dye-related compounds.

Basic Information

Product Name	n-[2-[n-Ethyl-4-[[6-(Methylsulphonyl)Benzothiazol-2-Yl]Azo]-m-Toluidino]Ethyl]Phthalimide
CAS No.	2203-01-2
Molecular Formula	C27H25N5O4S2
Molecular Weight	547.65 g/mol
Synonyms	Solvent Yellow 163; C.I. 58800; 2-[2-[Ethyl[4-[[6-(Methylsulfonyl)-2-benzothiazolyl]azo]-3-methylphenyl]amino]ethyl]-1H-isoindole-1,3(2H)-dione; 1H-Isoindole-1,3(2H)-dione, 2-[2-[ethyl[4-[[6-(methylsulfonyl)-2-benzothiazolyl]azo]-3-methylphenyl]amino]ethyl]-; Phthalimide, N-[2-[N-ethyl-4-[[6-(methylsulfonyl)-2-benzothiazolyl]azo]-m-toluidino]ethyl]-; Azo Benzothiazole Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of n-[2-[n-Ethyl-4-[[6-(Methylsulphonyl)Benzothiazol-2-Yl]Azo]-m-Toluidino]Ethyl]Phthalimide adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis including HPLC assay, identification by FT-IR, and control of key impurities. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance protocols.

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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Yellow to orange-red crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.2%
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.