Description

8-[(2-Chloro-4-Nitrophenyl)Azo]-5-[(3-Methoxypropyl)Amino]-1-Naphthol CAS NO 74839-55-7 is a specialized azo dye intermediate characterized by its complex molecular structure, which imparts specific chromophoric and functional properties. This compound is engineered to deliver precise color characteristics and chemical reactivity, making it a critical component in advanced colorant synthesis. It is primarily utilized by manufacturers in the dye and pigment industries, as well as in research and development for functional materials.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key component in the production of specialty colorants for textiles, inks, and coatings.
• Used in research for developing functional dyes with specific light-absorption or chemical-sensing properties.
• Potential precursor for liquid crystal dyes and other advanced optical materials.
• Employed in the formulation of analytical reagents and chemical indicators.
• May serve as a building block in organic synthesis for more complex heterocyclic compounds.

Basic Information

Product Name	8-[(2-Chloro-4-Nitrophenyl)Azo]-5-[(3-Methoxypropyl)Amino]-1-Naphthol
CAS No.	74839-55-7
Molecular Formula	C20H18ClN5O3
Molecular Weight	411.84 g/mol
Synonyms	1-Naphthol, 8-[(2-chloro-4-nitrophenyl)azo]-5-[(3-methoxypropyl)amino]-; C.I. Disperse Yellow 211; Disperse Yellow 211; 8-[(2-Chloro-4-nitrophenyl)hydrazinylidene]-5-[(3-methoxypropyl)amino]naphthalen-1-ol; 5-[(3-Methoxypropyl)amino]-8-[(2-chloro-4-nitrophenyl)azo]-1-naphthol; 74839-55-7; Azo dye intermediate YA-211
EINECS	Contact for details

Quality Control

Our production of 8-[(2-Chloro-4-Nitrophenyl)Azo]-5-[(3-Methoxypropyl)Amino]-1-Naphthol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise technical specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). This material is light-sensitive (store away from light) and should be kept under inert conditions if long-term stability is required. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Technical Grade)
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in common organic solvents (e.g., DMF, DMSO)

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