Description

3-[[2,5-Dichloro-4-[(Ethylamino)Sulfonyl]Phenyl]Azo]-2-Methyl-1H-Indole-5-Sulfonic Acid Sodium Salt is a high-purity azo dye intermediate and specialty chemical compound. This product is valued for its precise molecular structure, which is critical for synthesizing dyes and pigments with specific color properties and stability. It is primarily utilized by manufacturers in the dye and pigment, textile, and specialty chemical industries for research and production purposes.

Application

• Dye and Pigment Synthesis: A key intermediate for producing high-performance azo dyes and organic pigments.
• Textile Industry: Used in the manufacturing of dyes for coloring synthetic and natural fibers.
• Ink Formulation: Serves as a colorant component in the production of industrial and specialty inks.
• Research & Development: Employed in chemical research for developing new chromophores and functional materials.
• Analytical Chemistry: Can be used as a reagent or standard in specific analytical methods.
• Specialty Chemical Production: Acts as a building block for more complex chemical entities in fine chemical synthesis.

Basic Information

Product Name	3-[[2,5-Dichloro-4-[(Ethylamino)Sulfonyl]Phenyl]Azo]-2-Methyl-1H-Indole-5-Sulfonic Acid Sodium Salt
CAS No.	67786-21-4
Molecular Formula	C18H15Cl2N4O5S2Na
Molecular Weight	557.36 g/mol
Synonyms	Sodium 3-((2,5-dichloro-4-(N-ethylsulfamoyl)phenyl)azo)-2-methyl-1H-indole-5-sulfonate; C.I. Acid Red 407; 3-[[2,5-Dichloro-4-[(ethylamino)sulfonyl]phenyl]azo]-2-methyl-1H-indole-5-sulfonic acid sodium salt; 2-Methyl-3-[[2,5-dichloro-4-[(ethylamino)sulfonyl]phenyl]azo]-1H-indole-5-sulfonic acid sodium salt; Acid Red 407; Azo dye intermediate 67786-21-4
EINECS	Contact for details

Quality Control

Our 3-[[2,5-Dichloro-4-[(Ethylamino)Sulfonyl]Phenyl]Azo]-2-Methyl-1H-Indole-5-Sulfonic Acid Sodium Salt is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with each shipment to guarantee compliance with your technical requirements.

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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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