Description

Disodium 7-[(3-Chloro-1-Oxopropyl)Amino]-4-Hydroxy-3-[(4-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate characterized by its distinct chemical structure. This compound is critical for manufacturers requiring precise colorant synthesis and consistent batch-to-batch performance. It is primarily utilized by producers of reactive dyes, acid dyes, and other specialized pigments for the textile, leather, and paper industries.

Application

• Key intermediate for the synthesis of reactive dyes used in cotton and cellulose fiber dyeing.
• Precursor in the manufacturing of acid dyes for coloring wool, silk, and nylon.
• Used in the production of specialized pigments and colorants for inks and coatings.
• Employed in research and development for novel azo-based functional dyes.
• Potential use in the formulation of biological stains and histological dyes.
• Intermediate for dyes applied in the leather tanning and finishing industry.

Basic Information

Product Name	Disodium 7-[(3-Chloro-1-Oxopropyl)Amino]-4-Hydroxy-3-[(4-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate
CAS No.	85958-97-0
Molecular Formula	C19H13ClN3Na2O9S2
Molecular Weight	579.88 g/mol
Synonyms	7-[(3-Chloro-1-oxopropyl)amino]-4-hydroxy-3-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid disodium salt; C.I. Reactive Orange 107; Reactive Orange 107; Disodium 4-hydroxy-3-((4-sulfonatophenyl)azo)-7-((3-chloro-1-oxopropyl)amino)naphthalene-2-sulfonate; Azo dye intermediate 85958-97-0; 2-Naphthalenesulfonic acid, 7-[(3-chloro-1-oxopropyl)amino]-4-hydroxy-3-[(4-sulfophenyl)azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our Disodium 7-[(3-Chloro-1-Oxopropyl)Amino]-4-Hydroxy-3-[(4-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting industry specifications. Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are available upon request.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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