Description

Coumarin 334 is a high-purity laser dye and fluorescent tracer compound, also known as Coumarin 334 CAS NO 55804-67-6. This specialized coumarin derivative is valued for its excellent photostability and high quantum yield, making it a critical component in advanced photonic and analytical applications. It is primarily required by manufacturers and researchers in the fields of dye lasers, fluorescence microscopy, and as a marker in biochemical assays.

Application

• Laser Dye: A key active medium in tunable dye lasers, particularly in the blue-green spectral region.
• Fluorescent Tracer & Marker: Used in flow visualization, leak detection, and as a fluorescent tag in various research applications.
• Analytical Chemistry: Employed as a standard in fluorescence spectroscopy and in the development of fluorescent sensors.
• Photophysical Research: A model compound for studying intramolecular charge transfer and solvent effects on fluorescence.
• Optical Brighteners: Potential use in specialized formulations where high photostability is required.
• Biochemical Probes: Utilized in cell biology for staining and imaging due to its favorable emission characteristics.

Basic Information

Product Name	Coumarin 334
CAS No.	55804-67-6
Molecular Formula	C18H15NO4
Molecular Weight	309.32 g/mol
Synonyms	7-Diethylamino-4-methylcoumarin; C334; Coumarin 4; Coumarin 4-methyl; 4-Methyl-7-diethylaminocoumarin; 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one; MDAC; Laser Dye Coumarin 334
EINECS	Contact for details

Quality Control

Our Coumarin 334 is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	72 - 76 °C
Loss on Drying	≤ 0.5%
Fluorescence Emission Max	~ 445 - 465 nm (solvent dependent)

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