Description

Disodium 2-[3-[5-[(Diethylamino)Sulphonyl]-2-Methoxyphenyl]-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate is a high-purity, water-soluble azo dye intermediate characterized by its distinct chemical structure. This compound is valued for its role as a key precursor in the synthesis of specialized dyes and pigments, offering consistent reactivity and color properties. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for high-performance colorant production.

Application

• Primary intermediate for the synthesis of acid dyes and reactive dyes used in textile coloring.
• Key precursor in manufacturing specialized pigments for inks and coatings.
• Used in research and development of novel chromophores for analytical and sensor applications.
• Intermediate for functional dyes in non-textile applications such as paper and leather.
• Starting material for producing colorants with specific solubility and fastness properties.

Basic Information

Product Name	Disodium 2-[3-[5-[(Diethylamino)Sulphonyl]-2-Methoxyphenyl]-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate
CAS No.	85536-99-8
Molecular Formula	C21H26N5Na2O9S2
Molecular Weight	603.56 g/mol
Synonyms	Disodium 2-[3-[5-[(Diethylamino)sulfonyl]-2-methoxyphenyl]-1-ethyltriazen-2-yl]-5-sulfonatobenzoate; C.I. Acid Yellow 219; Acid Yellow 219; 2-[3-[5-[(Diethylamino)sulfonyl]-2-methoxyphenyl]-1-ethyltriazen-2-yl]-5-sulfobenzoic Acid Disodium Salt; Disodium 5-[(5-[(diethylamino)sulfonyl]-2-methoxyphenyl)diazenyl]-2-ethyl-2-hydroxy-2H-1,2,3-triazole-4-carboxylate (tautomeric form); Azo dye intermediate 85536-99-8; Light Yellow 2G (related commercial name)
EINECS	Contact for details

Quality Control

Our Disodium 2-[3-[5-[(Diethylamino)Sulphonyl]-2-Methoxyphenyl]-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance protocols.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, yellow solution

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