Description

4-Hydroxy-7-[[[[5-Hydroxy-6-[(4-Methyl-3-Sulphophenyl)Azo]-7-Sulpho-2-Naphthyl]Amino]Carbonyl]Amino]-3-(Phenylazo)Naphthalene-2-Sulphonic Acid, Sodium Salt is a high-purity, complex azo dye intermediate and specialty chemical. This compound is critical for synthesizing high-value, colorfast dyes and pigments with specific optical properties. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vibrant and stable colors.

Application

• Primary Intermediate for Azo Dyes: Key building block for the synthesis of high-performance red, orange, and brown azo dyes used in textile dyeing and printing.
• Specialty Pigment Manufacturing: Used in the production of organic pigments for inks, including packaging and publication inks, requiring excellent lightfastness and chemical resistance.
• Industrial Coatings: Imparts color to coatings for plastics, leather, and other substrates where durable coloration is needed.
• Research & Development: Serves as a precise chemical reagent in R&D laboratories for developing new chromophores and studying dye chemistry.
• Functional Dye Synthesis: Potential precursor for dyes used in non-textile applications such as sensors or imaging agents due to its complex, functionalized structure.

Basic Information

Product Name	4-Hydroxy-7-[[[[5-Hydroxy-6-[(4-Methyl-3-Sulphophenyl)Azo]-7-Sulpho-2-Naphthyl]Amino]Carbonyl]Amino]-3-(Phenylazo)Naphthalene-2-Sulphonic Acid, Sodium Salt
CAS No.	94108-99-3
Molecular Formula	C34H23N6O11S3•Na (or related sodium salt form)
Molecular Weight	Contact for details
Synonyms	7-[[[[5-Hydroxy-6-[(4-Methyl-3-sulfophenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-4-hydroxy-3-(phenylazo)-2-naphthalenesulfonic acid, sodium salt; Azo dye intermediate 94108-99-3; CI 27290 (related class); Sodium 4-hydroxy-3-(phenylazo)-7-[[[[5-hydroxy-6-[(4-methyl-3-sulfophenyl)azo]-7-sulfo-2-naphthyl]amino]carbonyl]amino]-2-naphthalenesulfonate; Trisulfonated azo dye intermediate; Reactive dye precursor.
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through modern analytical techniques including HPLC and spectrophotometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 incompatible materials. 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 structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm
Solubility	Soluble in water

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