Description

3-[(4-Amino-3-Ethoxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt is a high-purity azo dye intermediate, valued for its role in synthesizing vibrant and stable colorants. This compound is essential for manufacturers requiring precise chemical building blocks to produce specialized dyes and pigments. It is primarily utilized by the textile, ink, and specialty chemical industries for applications demanding consistent quality and reliable performance.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloring.
• Key precursor in manufacturing inks for printing and packaging applications.
• Used in the production of colorants for plastics and polymers.
• Employed in research and development of novel chromophores for analytical and sensor technologies.
• Potential use in the formulation of specialty coatings and functional materials.

Basic Information

Product Name	3-[(4-Amino-3-Ethoxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt
CAS No.	67786-13-4
Molecular Formula	C15H15N4O4SNa
Molecular Weight	370.36 g/mol
Synonyms	Sodium 3-[(4-amino-3-ethoxyphenyl)azo]benzenesulfonate; Benzenesulfonic acid, 3-[(4-amino-3-ethoxyphenyl)azo]-, sodium salt; C.I. Azoic Diazo Component; Azo dye intermediate 67786-13-4; 4-Amino-3-ethoxyazobenzene-4'-sulfonic acid sodium salt; 3-[(4-Amino-3-ethoxyphenyl)diazenyl]benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our 3-[(4-Amino-3-Ethoxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications 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 area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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