Description

Benzoic acid, 2-hydroxy-3-methyl-, reaction products with 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, 6-amino-4-hydroxy-2-naphthalenesulfonic acid and 2,2-(1,2-ethenediyl)bis5-aminobenzenesulfonic acid is a complex, high-value synthetic dye intermediate. This compound matters for its role in producing vibrant and stable colorants, particularly for demanding applications requiring specific hue and fastness properties. Industrial manufacturers in the textile, ink, and specialty coatings sectors need this intermediate to synthesize advanced azo and polyazo dyes.

Application

• Primary Intermediate for Azo Dyes: Serves as a key coupling component in the synthesis of high-performance azo and polyazo dyes.
• Textile Dyeing and Printing: Used to manufacture dyes for coloring natural and synthetic fibers, including cotton, wool, and nylon.
• Inkjet and Printing Inks: A precursor for pigments and dyes used in high-quality inks, offering good color strength and stability.
• Leather and Paper Coloring: Employed in the production of dyes for the leather tanning and paper industries.
• Specialty Coatings and Paints: Contributes to the creation of organic pigments for industrial and artistic coatings.
• Research and Development: Used in chemical R&D for developing novel chromophores and functional dyes.

Basic Information

Item	Details
Product Name	Benzoic acid, 2-hydroxy-3-methyl-, reaction products with 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, 6-amino-4-hydroxy-2-naphthalenesulfonic acid and 2,2-(1,2-ethenediyl)bis5-aminobenzenesulfonic acid
CAS No.	94825-60-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Azoic Coupling Component; Reaction products of o-cresotic acid with H-acid, Gamma acid, and 4,4'-Diaminostilbene-2,2'-disulfonic acid; Polyazo dye intermediate; Azoic coupling component for textiles; Dye intermediate CAS 94825-60-2; Benzoic acid, 2-hydroxy-3-methyl-, condensed with H-acid, Gamma acid, and DSD acid; Complex sulfonated azo dye precursor.
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and performance in downstream synthesis. Quality is verified through analytical methods including HPLC, spectrophotometry, and titration to confirm critical parameters such as assay, impurity profile, and color value. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Solubility (in water)	Partially soluble

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