Description

2-[Ethyl[4-[(5-Nitro-2,1-Benzisothiazol-3-Yl)Azo]Phenyl]Amino]Ethyl Acetoacetate is a specialized azo dye intermediate with a complex molecular structure designed for high-performance applications. This compound is valued for its role in synthesizing advanced colorants that offer excellent light and chemical fastness properties. It is primarily required by manufacturers in the dye and pigment, specialty chemical, and advanced materials sectors seeking to produce vivid and durable colors.

Application

• Key intermediate for the synthesis of high-performance disperse dyes and reactive dyes used in textile coloring.
• Manufacture of pigments for plastics, inks, and coatings requiring enhanced stability.
• Research and development of novel functional dyes for optical and electronic applications.
• Production of colorants for specialty applications where lightfastness and thermal resistance are critical.
• Used in the development of dyes for synthetic fibers like polyester and nylon.

Basic Information

Item	Details
Product Name	2-[Ethyl[4-[(5-Nitro-2,1-Benzisothiazol-3-Yl)Azo]Phenyl]Amino]Ethyl Acetoacetate
CAS No.	93981-75-0
Molecular Formula	C21H21N5O5S
Molecular Weight	455.49 g/mol
Synonyms	Ethyl Acetoacetate, 2-[ethyl[4-[(5-nitro-2,1-benzisothiazol-3-yl)azo]phenyl]amino]-; 93981-75-0; 2-[Ethyl[4-[(5-nitro-2,1-benzisothiazol-3-yl)azo]phenyl]amino]ethyl acetoacetate; Acetoacetic acid, 2-[ethyl[4-[(5-nitro-2,1-benzisothiazol-3-yl)azo]phenyl]amino]ethyl ester; Azo dye intermediate 93981-75-0
EINECS	Contact for details

Quality Control

Our production of 2-[Ethyl[4-[(5-Nitro-2,1-Benzisothiazol-3-Yl)Azo]Phenyl]Amino]Ethyl Acetoacetate adheres to stringent quality protocols. Every batch undergoes comprehensive analytical testing, including HPLC and spectroscopic methods, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere such as nitrogen for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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