Description

4-[[4-(Dimethylamino)Phenyl]Azo]-1-Naphthalenesulfonyl Chloride is a specialized azo dye intermediate and chemical reagent with a reactive sulfonyl chloride group. This compound is valued for its role in synthesizing functional dyes, pigments, and advanced materials where precise chromophore attachment is required. It is primarily needed by manufacturers and R&D laboratories in the dye and pigment, analytical chemistry, and specialty polymer industries.

Application

• Dye and Pigment Synthesis: A key intermediate for producing azo dyes with specific color properties and light-fastness for textiles, inks, and plastics.
• Chromogenic Reagent: Used in analytical chemistry as a derivatization agent for the detection and quantification of amines and other nucleophiles via spectrophotometry.
• Functional Polymer Production: Serves as a monomer or cross-linking agent for creating polymers with chromophoric or photo-responsive side chains.
• Bioconjugation and Labeling: Potential use in biochemical research for labeling proteins or other biomolecules due to its reactive sulfonyl chloride moiety.
• Liquid Crystal and OLED Materials: A building block in the development of organic electronic materials where the azo group contributes to specific optical properties.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	4-[[4-(Dimethylamino)Phenyl]Azo]-1-Naphthalenesulfonyl Chloride
CAS No.	101687-13-2
Molecular Formula	C19H17ClN3O2S
Molecular Weight	386.87 g/mol
Synonyms	1-Naphthalenesulfonyl chloride, 4-[[4-(dimethylamino)phenyl]azo]-; 4-[(4-Dimethylaminophenyl)azo]-1-naphthalenesulphonyl chloride; 4-(4-Dimethylaminophenylazo)naphthalene-1-sulfonyl chloride; C.I. 18055; Azo Dye Intermediate 101687-13-2; p-(Dimethylamino)azobenzene-4'-sulfonyl chloride; DABCYL acid chloride derivative
EINECS	Contact for details

Quality Control

Our 4-[[4-(Dimethylamino)Phenyl]Azo]-1-Naphthalenesulfonyl Chloride is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 sealed under dry conditions to prevent decomposition.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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