Description

Sodium 4,6-Dihydroxy[[4-[[4-[(4-Hydroxyphenyl)Azo]Phenyl]Azo]-6-Methoxy-p-Tolyl]Azo]Naphthalene-2-Sulphonate is a high-purity, synthetic azo dye intermediate known for its complex molecular structure and specific chromophoric properties. This compound is critical for manufacturers requiring precise color development and consistent batch-to-batch performance in demanding applications. It is primarily utilized by industrial-scale producers in the textile dyeing, specialty ink formulation, and advanced material coating sectors.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-performance, wash-fast azo dyes for natural and synthetic fibers.
• Specialty Inks: Used in the formulation of industrial inks for packaging, security printing, and digital textile printing.
• Pigment Manufacturing: Serves as a precursor in the production of organic pigments for plastics, paints, and coatings.
• Research & Development: Employed in academic and industrial R&D labs for developing new chromophores and studying dye chemistry.
• Analytical Chemistry: Can be used as a colorimetric reagent or standard in specific analytical methods.
• Functional Materials: Investigated for potential use in light-harvesting materials, sensors, and other advanced optical applications.

Basic Information

Product Name	Sodium 4,6-Dihydroxy[[4-[[4-[(4-Hydroxyphenyl)Azo]Phenyl]Azo]-6-Methoxy-p-Tolyl]Azo]Naphthalene-2-Sulphonate
CAS No.	94248-17-6
Molecular Formula	C36H25N6NaO7S
Molecular Weight	708.68 g/mol
Synonyms	Sodium 4,6-dihydroxy-5-[[4-[[4-[(4-hydroxyphenyl)azo]phenyl]azo]-2-methoxy-5-methylphenyl]azo]naphthalene-2-sulphonate; CI 18800; Acid Black 210; Azo Dye Intermediate 94248-17-6; 5-[[4-[[4-[(4-Hydroxyphenyl)azo]phenyl]azo]-2-methoxy-5-methylphenyl]azo]-4,6-dihydroxy-2-naphthalenesulfonic Acid Sodium Salt; 2-Naphthalenesulfonic acid, 4,6-dihydroxy-5-[[4-[[4-[(4-hydroxyphenyl)azo]phenyl]azo]-2-methoxy-5-methylphenyl]azo]-, monosodium salt
EINECS	Contact for details

Quality Control

Our Sodium 4,6-Dihydroxy[[4-[[4-[(4-Hydroxyphenyl)Azo]Phenyl]Azo]-6-Methoxy-p-Tolyl]Azo]Naphthalene-2-Sulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent chroma value, and low impurity levels, meeting the stringent requirements of industrial dye and pigment synthesis. Certificates of Analysis (COA) with detailed HPLC/UV-Vis data are provided to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Complete, clear solution

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