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MSA4219

Properties

Product Name 7-Hydroxy-4 methylcoumarin; 7-Methylumbelliferone; beta-methylumbelliferone; Hymecromone; Coumarin 4; Coumarin 456; Umbelliferone 47
CAS Number 90-33-5
Abbreviation Coumarin 4; Coumarin 456; Umbelliferone 47
Molecular Formula C10H8O3
Molecular Weight (g/mol) 176.17
Melting Point oC 193-195
Solubility Soluble in Acetone and Organic Solvents
Appearance White Crystalline Powder
Application Laser Dye
Absorption Maximum (nm) 372
Extinction Coefficient 21000
Absorptivity (L.g-1cm-1) 119
TSCA Yes
EINECS 201-986-7
Comments Lasing range440-480, pump source = flashlamp; for pulsed and SW operation