Description

2-[6-(Diethylamino)-2-[(2-Hydroxy-4-Sulpho-1-Naphthyl)Azo]-3-Oxo(3H)-Xanthen-9-Yl]Benzoic Acid is a specialized synthetic dye intermediate belonging to the xanthene and azo chemical classes. This compound is valued for its ability to impart vivid color properties and act as a key precursor in the synthesis of high-performance dyes and pigments. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking to develop products with specific chromatic and fastness characteristics.

Application

• Textile Dye Intermediate: A critical precursor for synthesizing reactive, acid, and direct dyes used for coloring natural and synthetic fibers like cotton, wool, and nylon.
• Inkjet and Printing Ink Formulation: Used in the production of colorants for high-quality inks, providing excellent color strength and stability.
• Laser Dye and Optical Applications: Serves as a starting material for dyes used in tunable dye lasers and other photonic devices due to its xanthene core structure.
• Biological Staining Agent Synthesis: Can be utilized in the manufacture of histological stains and fluorescent probes for microscopy and diagnostic applications.
• Industrial Pigment Production: Acts as a key intermediate for creating organic pigments with applications in plastics, paints, and coatings.
• Research & Development: Employed in chemical research for studying azo-hydrazone tautomerism and developing novel chromophores with tailored properties.

Basic Information

Product Name	2-[6-(Diethylamino)-2-[(2-Hydroxy-4-Sulpho-1-Naphthyl)Azo]-3-Oxo(3H)-Xanthen-9-Yl]Benzoic Acid
CAS No.	85153-21-5
Molecular Formula	C36H29N3O7S
Molecular Weight	647.70 g/mol
Synonyms	Acid Red 289; C.I. 45185; 9-(2-Carboxyphenyl)-6-(diethylamino)-2-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-3H-xanthen-3-one; 2-[6-(Diethylamino)-3-oxo-2-[(2-hydroxy-4-sulfonaphth-1-yl)azo]xanthen-9-yl]benzoic acid; 2-[6-(Diethylamino)-2-[(2-hydroxy-4-sulfo-1-naphthyl)azo]-3-oxo-3H-xanthen-9-yl]benzoic acid; Benzoic acid, 2-[6-(diethylamino)-2-[(2-hydroxy-4-sulfo-1-naphthyl)azo]-3-oxo-3H-xanthen-9-yl]-; 85153-21-5; C.I. Acid Red 289
EINECS	Contact for details

Quality Control

Our production of 2-[6-(Diethylamino)-2-[(2-Hydroxy-4-Sulpho-1-Naphthyl)Azo]-3-Oxo(3H)-Xanthen-9-Yl]Benzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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