Description

Sodium 8-Anilino-5-[(3-Chlorophenyl)Azo]Naphthalene-1-Sulphonate is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent color strength and stability. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries for producing vivid and durable colors.

Application

This chemical serves as a critical precursor in various colorant manufacturing processes. Its primary and related applications include:

• Synthesis of high-performance organic pigments for plastics and automotive coatings.
• Production of azo dyes for textile fibers, including nylon and polyester.
• Manufacturing of specialty inks for packaging and security printing applications.
• Use as a colorant intermediate in research and development for novel photonic materials.
• Potential application in the formulation of indicator dyes and biological stains for analytical chemistry.

Basic Information

Product Name	Sodium 8-Anilino-5-[(3-Chlorophenyl)Azo]Naphthalene-1-Sulphonate
CAS No.	67875-11-0
Molecular Formula	C22H15ClN3NaO3S
Molecular Weight	459.88 g/mol
Synonyms	Acid Orange 156; C.I. 26501; Sodium 8-anilino-1-naphthalenesulfonate-5-[(3-chlorophenyl)azo]; 8-Anilino-5-[(3-chlorophenyl)azo]-1-naphthalenesulfonic acid sodium salt; 3-Chlorophenylazo-8-anilino-1-naphthalenesulfonic acid sodium salt; Azo dye intermediate 67875-11-0; 1-Naphthalenesulfonic acid, 8-anilino-5-[(3-chlorophenyl)azo]-, sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 8-Anilino-5-[(3-Chlorophenyl)Azo]Naphthalene-1-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for industrial applications. All materials undergo rigorous analytical testing, including HPLC and spectrophotometric methods. Certificates of Analysis (COA) documenting purity, identity, and key physical 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear solution

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