Description

n-(2,4-Dichloro-1-Hydroxy-5-Naphtyl)-p-Toluenesulfonamide is a specialized organic intermediate with a complex aromatic structure, designed for high-value synthesis. This compound matters for its role as a key building block in the production of advanced dyes, pigments, and functional materials, where its specific substitution pattern is critical for performance. It is primarily needed by manufacturers in the fine chemicals, specialty dyes, and advanced material research sectors seeking precise molecular control.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of high-performance azo and napthol-based dyes and organic pigments.
• Pharmaceutical Research Intermediate: Used in the research and development of novel active pharmaceutical ingredients (APIs) with complex aromatic backbones.
• Functional Material Synthesis: Serves as a building block for advanced polymers, liquid crystals, or charge-transport materials in electronics.
• Agrochemical Intermediate: Employed in the development of specialized herbicides or fungicides where the dichloro-naphthyl moiety is active.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis and methodology development.
• Photographic Chemical: Potential use in the synthesis of compounds for specialized photographic and imaging applications.

Basic Information

Product Name	n-(2,4-Dichloro-1-Hydroxy-5-Naphtyl)-p-Toluenesulfonamide
CAS No.	129-41-9
Molecular Formula	C17H13Cl2NO3S
Molecular Weight	382.26 g/mol
Synonyms	N-(2,4-Dichloro-1-hydroxy-5-naphthyl)-4-methylbenzenesulfonamide; 2,4-Dichloro-1-hydroxy-5-(p-tolylsulfonamido)naphthalene; p-Toluenesulfonamide, N-(2,4-dichloro-1-hydroxy-5-naphthyl)-; 5-[(4-Methylphenyl)sulfonyl]amino]-2,4-dichloro-1-naphthol; 129-41-9; N-(2,4-Dichloro-1-hydroxy-5-naphthalenyl)-4-methylbenzenesulfonamide
EINECS	204-943-5

Quality Control

Our n-(2,4-Dichloro-1-Hydroxy-5-Naphtyl)-p-Toluenesulfonamide is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment to guarantee it meets your specific research or production requirements.

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). Keep away from strong oxidizing agents, strong acids, and strong bases. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.