Description

Tetrasodium 2-[[8-[[[[3-[(2-Chloroethyl)Sulphonyl]Phenyl]Amino]Carbonyl]Amino]-1-Hydroxy-3,6-Disulphonato-2-Naphthyl]Azo]Naphthalene-1,5-Disulphonate is a high-purity, water-soluble reactive dye intermediate. This compound is critical for synthesizing high-performance dyes and pigments with excellent color fastness and wash resistance. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vibrant and durable colors.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade reactive dyes used in cotton, wool, and nylon dyeing.
• Textile Industry: Imparts vibrant and wash-fast colors to fabrics, essential for producing high-quality apparel and home textiles.
• Ink Formulation: Used in the production of specialty inks for digital textile printing and packaging applications.
• Leather Coloring: Employed in dye formulations for achieving consistent and durable coloration of leather goods.
• Paper Dyeing: Utilized in the manufacture of dyes for coloring high-quality papers and decorative materials.
• Research & Development: Serves as a valuable building block in chemical R&D for developing novel chromophores and functional dyes.

Basic Information

Product Name	Tetrasodium 2-[[8-[[[[3-[(2-Chloroethyl)Sulphonyl]Phenyl]Amino]Carbonyl]Amino]-1-Hydroxy-3,6-Disulphonato-2-Naphthyl]Azo]Naphthalene-1,5-Disulphonate
CAS No.	94109-42-9
Molecular Formula	C35H22ClN5Na4O17S5
Molecular Weight	Contact for details
Synonyms	Tetrasodium 1,5-Naphthalenedisulfonate, 2-[[8-[[[[3-[(2-chloroethyl)sulfonyl]phenyl]amino]carbonyl]amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-; Reactive Dye Intermediate; C.I. Reactive Red 238; Tetrasodium salt of a reactive azo dye; 2-Naphthalenesulfonic acid, 6-[[8-[[[[3-[(2-chloroethyl)sulfonyl]phenyl]amino]carbonyl]amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-1,5-disulfonic acid, tetrasodium salt; 94109-42-9; Reactive Red 238 intermediate.
EINECS	Contact for details

Quality Control

Our Tetrasodium 2-[[8-[[[[3-[(2-Chloroethyl)Sulphonyl]Phenyl]Amino]Carbonyl]Amino]-1-Hydroxy-3,6-Disulphonato-2-Naphthyl]Azo]Naphthalene-1,5-Disulphonate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) 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). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm

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