Description

4-(5-Hydroxy-7-Sulpho-2-Naphthylamino)Phenoxyacetic Acid is a specialized naphthalene-based intermediate featuring a unique combination of hydroxy, sulpho, and phenoxyacetic acid functional groups. This compound matters for its role as a key building block in the synthesis of high-value dyes, pigments, and functional materials, where its structure allows for precise color and property tuning. Industries such as specialty chemicals, advanced material science, and research & development require this intermediate for creating products with specific optical and chemical characteristics.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a crucial coupling component in the production of acid dyes, direct dyes, and reactive dyes for textiles, leather, and paper.
• Functional Material Synthesis: Used in the development of optical brighteners, fluorescent markers, and other advanced organic materials.
• Research & Development: Employed in academic and industrial R&D labs for exploring novel chromophores and designing molecules with specific light-absorption properties.
• Chemical Synthesis: Acts as a versatile building block for further chemical modifications, leveraging its reactive amino and acidic groups.

Basic Information

Product Name	4-(5-Hydroxy-7-Sulpho-2-Naphthylamino)Phenoxyacetic Acid
CAS No.	74203-93-3
Molecular Formula	C18H15NO7S
Molecular Weight	389.38 g/mol
Synonyms	4-[(5-Hydroxy-7-sulfo-2-naphthyl)amino]phenoxyacetic Acid; 2-Naphthalenesulfonic acid, 5-[(4-carboxymethoxyphenyl)amino]-7-hydroxy-; Phenoxyacetic acid, 4-[(5-hydroxy-7-sulfo-2-naphthyl)amino]-; 4-(5-Hydroxy-7-sulpho-2-naphthylamino)phenoxyacetic acid; 74203-93-3; 4-(5-Hydroxy-7-sulfo-2-naphthylamino)phenoxyacetic acid
EINECS	Contact for details

Quality Control

Our production of 4-(5-Hydroxy-7-Sulpho-2-Naphthylamino)Phenoxyacetic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and quality assurance for your processes.

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 acids and incompatible organic solvents. The material is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Light brown to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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