Description

Disodium 2-[7-(Diethylamino)-2-Oxo-2H-1-Benzopyran-3-Yl]Benzoxazoledisulphonate is a high-purity, functional organic salt belonging to the coumarin-benzoxazole chemical family, valued for its unique photophysical properties. This compound is engineered to deliver consistent performance as a specialized intermediate or functional additive in advanced material synthesis. It is primarily sought by manufacturers in the optical brightening, specialty dye, and advanced polymer industries for applications requiring precise molecular control.

Application

• Optical Brightening Agent (OBA): A key intermediate in the synthesis of high-performance fluorescent whitening agents for paper, textiles, and plastics.
• Laser Dye & Photonic Materials: Used in the development of tunable laser dyes and other photonic components due to its specific fluorescence characteristics.
• Fluorescent Probe Synthesis: Serves as a building block for creating sensitive fluorescent probes and sensors used in biochemical and diagnostic research.
• Specialty Polymer Additive: Incorporated into polymers to impart specific optical properties or to act as a functional monomer.
• Advanced Material Research: Utilized in R&D for novel organic electronic materials, including OLEDs and solar cell components.
• Analytical Chemistry Standards: Employed as a certified reference material or standard in chromatographic and spectroscopic analysis.

Basic Information

Product Name	Disodium 2-[7-(Diethylamino)-2-Oxo-2H-1-Benzopyran-3-Yl]Benzoxazoledisulphonate
CAS No.	93859-31-5
Molecular Formula	C22H20N2Na2O9S2
Molecular Weight	566.51 g/mol
Synonyms	Disodium 2-(7-Diethylamino-2-oxo-2H-chromen-3-yl)benzoxazole-5,7-disulfonate; 2-(7-Diethylamino-2-oxo-2H-chromen-3-yl)-1,3-benzoxazole-5,7-disulfonic Acid Disodium Salt; Coumarin-Benzoxazole Disulfonate Salt; Fluorescent Brightener Intermediate; OBA Intermediate 93859-31-5; 3-(5,7-Disulfonatobenzoxazol-2-yl)-7-diethylaminocoumarin Disodium Salt
EINECS	Contact for details

Quality Control

Our production of Disodium 2-[7-(Diethylamino)-2-Oxo-2H-1-Benzopyran-3-Yl]Benzoxazoledisulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and can be tailored to support compliance with REACH, ISO, and GMP frameworks as required.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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