Description

Disodium 7-Amino-4-Hydroxy-3-[[3-Methyl-4-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate essential for producing vibrant and stable colorants. Its value lies in its dual sulphonate groups, which provide excellent solubility and binding properties for creating high-performance dyes. This compound is primarily needed by manufacturers in the textile, ink, and specialty coatings industries seeking to develop advanced, color-fast products.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Textile Colorant Production: Used in manufacturing dyes for wool, silk, and nylon, offering good wash and light fastness.
• Inkjet Ink Formulations: Serves as a crucial component in the production of pigments for industrial and commercial printing inks.
• Specialty Coatings and Paints: Employed in creating colorants for coatings that require specific solubility and stability profiles.
• Laboratory and Research: Used as a standard or reagent in chemical research focused on dye chemistry and color science.
• Paper Coloring: Applicable in the manufacture of dyes for specialty paper products.

Basic Information

Product Name	Disodium 7-Amino-4-Hydroxy-3-[[3-Methyl-4-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate
CAS No.	85391-41-9
Molecular Formula	C23H16N4Na2O8S2
Molecular Weight	582.50 g/mol
Synonyms	7-Amino-4-hydroxy-3-{[3-methyl-4-[(4-sulfophenyl)azo]phenyl]azo}naphthalene-2-sulfonic acid disodium salt; C.I. Reactive Orange 107; Reactive Orange 107; Disodium 7-amino-4-hydroxy-3-((3-methyl-4-((4-sulfonatophenyl)diazenyl)phenyl)diazenyl)naphthalene-2-sulfonate; 85391-41-9; Azo dye intermediate OR107; C.I. 182221
EINECS	Contact for details

Quality Control

Our Disodium 7-Amino-4-Hydroxy-3-[[3-Methyl-4-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate is produced under a strict quality management system to ensure batch-to-batch consistency and reliability for industrial synthesis. Every lot undergoes rigorous analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory compliance 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). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area%)	≥ 98.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
Solubility (in Water)	Freely soluble

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