Description

m-[6-[n-Ethyl-n-(p-Methylsulfonylaminophenyl)Carbamoyl]-5-Hydroxy-8-(2-Methylsulfonyl-4-Nitrophenylazo)-1-Naphtylaminosulfonyl]Benzenesulfonyl Chloride is a high-purity, reactive chemical intermediate characterized by its complex azo and sulfonyl chloride functional groups. This compound matters for its role as a key precursor in the synthesis of specialized dyes and pigments, where it imparts critical properties like color fastness and specific chromophore characteristics. It is primarily needed by manufacturers in the specialty chemicals, advanced dye, and pigment industries for developing high-performance colorants and functional materials.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments, particularly for textiles and inks.
• Key building block in the production of reactive dyes for cellulose fibers like cotton and rayon.
• Used in research and development of specialty colorants for advanced applications in electronics and optics.
• Potential precursor for functional polymers and materials requiring specific light-absorption properties.
• Employed in the fine chemical industry for custom synthesis and contract manufacturing of complex organic molecules.

Basic Information

Product Name	m-[6-[n-Ethyl-n-(p-Methylsulfonylaminophenyl)Carbamoyl]-5-Hydroxy-8-(2-Methylsulfonyl-4-Nitrophenylazo)-1-Naphtylaminosulfonyl]Benzenesulfonyl Chloride
CAS No.	97344-70-2
Molecular Formula	C33H29ClN6O11S4
Molecular Weight	857.33 g/mol
Synonyms	Benzenesulfonyl chloride, m-[6-[N-ethyl-N-(p-methylsulfonylaminophenyl)carbamoyl]-5-hydroxy-8-[(2-methylsulfonyl-4-nitrophenyl)azo]-1-naphthylaminosulfonyl]-; 97344-70-2; Reactive Dye Intermediate; Azo dye sulfonyl chloride intermediate; 4-[[5-[[[4-[(Ethyl)(4-(methylsulfonyl)phenyl)amino]carbonyl]-2-hydroxy-7-[(2-methylsulfonyl-4-nitrophenyl)azo]-1-naphthalenyl]amino]sulfonyl]benzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our m-[6-[n-Ethyl-n-(p-Methylsulfonylaminophenyl)Carbamoyl]-5-Hydroxy-8-(2-Methylsulfonyl-4-Nitrophenylazo)-1-Naphtylaminosulfonyl]Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive synthesis processes. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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. Keep away from incompatible materials such as strong bases and amines.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Sulfonyl Chloride Content	Contact for details

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