Coumarin 343, pure laser grade

Supplier: Thermo Scientific

Synonyms: 2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic Acid, 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid

405685000 405681000
ACRO405685000EA 384 GBP
ACRO405685000 ACRO405681000
Coumarin 343, pure laser grade
Coumarin 343

Appearance: Orange Crystalline powder

Formula: C₁₆H₁₅NO₄
MW: 285,30 g/mol
Melting Pt: 240 °C
Storage Temperature: Ambient
MDL Number: MFCD00051335
CAS Number: 55804-65-4

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Specification Test Results

Appearance Orange Crystalline powder
Infrared spectrum Conforms
UV Lambda max 409 nm (in Basic Ethanol)
Fluorescence max 470 nm (in Basic Ethanol)
Optimum lasing 518 nm (in Methanol)
Suitability (for use as a laser dye) Passes test
Molar absorption coefficient 19900 l/(mol.cm) (at Lambda max)

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