Description

7-(Diethylamino)-4-(Hydroxymethyl)-2H-Chromen-2-One is a versatile coumarin derivative with a functional hydroxymethyl group, making it a valuable intermediate for advanced synthesis. This compound matters for its role as a key building block in the development of fluorescent dyes, optical brighteners, and functional materials. Industries such as fine chemicals, material science, and analytical reagent manufacturing need this high-purity intermediate for research and production.

Application

• Fluorescent Dye & Probe Synthesis: A crucial precursor for creating advanced fluorescent markers used in bioimaging, cell staining, and diagnostic assays.
• Optical Brightener Production: Serves as a key intermediate in manufacturing agents that enhance whiteness and brightness in papers, textiles, and detergents.
• Functional Material Development: Used in research for developing novel photochromic and electrochromic materials for sensors and smart coatings.
• Organic Synthesis Intermediate: The reactive hydroxymethyl group allows for further functionalization, making it valuable in pharmaceutical and agrochemical research.
• Analytical Reagent Manufacturing: Employed in the production of specialized reagents for chemical analysis and detection.
• Laser Dye & Nonlinear Optical Material Research: Investigated for use in dye lasers and materials with specific light-absorbing and emitting properties.

Basic Information

Item	Details
Product Name	7-(Diethylamino)-4-(Hydroxymethyl)-2H-Chromen-2-One
CAS No.	54711-38-5
Molecular Formula	C14H17NO3
Molecular Weight	247.29 g/mol
Synonyms	4-(Hydroxymethyl)-7-(diethylamino)coumarin; 7-Diethylamino-4-hydroxymethylcoumarin; Coumarin 343; C343; 4-Hydroxymethyl-7-diethylaminocoumarin; 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-(hydroxymethyl)-; 7-(N,N-Diethylamino)-4-(hydroxymethyl)coumarin
EINECS	Contact for details

Quality Control

Our 7-(Diethylamino)-4-(Hydroxymethyl)-2H-Chromen-2-One is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 1.0 %
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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