Description

Sodium 7-Benzamido-4-Hydroxynaphthalene-2-Sulphonate is a high-purity, water-soluble naphthalene derivative primarily used as a key intermediate in the synthesis of dyes and pigments. This compound matters for its role in producing vibrant, colorfast azo dyes and for its utility in specialized organic synthesis. It is needed by manufacturers in the textile, ink, and specialty chemical industries who require reliable, consistent intermediates for their production processes.

Application

• Primary Intermediate for Azo Dyes: Serves as a crucial coupling component in the manufacture of acid and direct dyes for textiles, leather, and paper.
• Pigment Synthesis: Used in the production of organic pigments for inks, coatings, and plastics, contributing to color strength and stability.
• Research & Development: Acts as a building block in academic and industrial R&D for novel chromophores and functional materials.
• Specialty Chemical Manufacturing: Employed in the synthesis of more complex chemical entities for photographic chemicals or analytical reagents.

Basic Information

Product Name	Sodium 7-Benzamido-4-Hydroxynaphthalene-2-Sulphonate
CAS No.	10534-92-6
Molecular Formula	C₁₇H₁₂NNaO₆S
Molecular Weight	381.34 g/mol
Synonyms	7-Benzamido-4-hydroxy-2-naphthalenesulfonic acid sodium salt; 4-Hydroxy-7-benzamido-2-naphthalenesulfonic acid sodium salt; Sodium 4-hydroxy-7-benzamido-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-, monosodium salt; Benzenesulfonic acid derivative; Azo dye intermediate K-7; Coupling component K-7
EINECS	Contact for details

Quality Control

Our Sodium 7-Benzamido-4-Hydroxynaphthalene-2-Sulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial synthesis. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Solubility (1% in Water)	Clear, yellow solution

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