Description

Sodium 8-Anilino-5-[(2-Chloro-4-Nitrophenyl)Azo]Naphthalene-1-Sulphonate is a high-purity azo dye intermediate and specialty chemical compound. It is valued for its precise chromophoric structure, which is critical for producing consistent and vibrant colorants. This product is essential for manufacturers in the dye and pigment industries, as well as for research and development in advanced material science.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key component in the production of specialized colorants for inks and toners used in digital and industrial printing.
• Used in the formulation of dyes for textiles and leather, offering good light and wash fastness.
• Research chemical for developing novel optical materials and sensors.
• Potential use as a colorimetric reagent or indicator in analytical chemistry applications.
• Intermediate in the synthesis of functional dyes for non-linear optics and electronics.

Basic Information

Product Name	Sodium 8-Anilino-5-[(2-Chloro-4-Nitrophenyl)Azo]Naphthalene-1-Sulphonate
CAS No.	67875-18-7
Molecular Formula	C22H14ClN5NaO5S
Molecular Weight	518.89 g/mol
Synonyms	8-Anilino-5-[(2-chloro-4-nitrophenyl)azo]naphthalene-1-sulfonic acid sodium salt; C.I. Solvent Yellow 83; Azoic Diazo Component 83; Sodium 1-(8-anilino-5-azo-2-chloro-4-nitrophenyl)naphthalene-1-sulfonate; 2-Chloro-4-nitroaniline → 8-Anilino-1-naphthol-5-sulfonic acid azo dye sodium salt; 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[(2-chloro-4-nitrophenyl)azo]-, sodium salt; Acid Yellow 83 (related class)
EINECS	Contact for details

Quality Control

Our production of Sodium 8-Anilino-5-[(2-Chloro-4-Nitrophenyl)Azo]Naphthalene-1-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and consistent quality.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation and absorption of moisture.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, DMF, DMSO

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