Basic information Safety Related Supplier
Coumarin 138 Structure

Coumarin 138

Chemical Properties

Melting point 153°C
Boiling point 371.18°C (rough estimate)
Density  1.0955 (rough estimate)
refractive index  1.5300 (estimate)
form  Crystals or Flakes
pka 3.78±0.20(Predicted)
color  Yellow to green-yellow
CAS DataBase Reference 62669-74-3
EPA Substance Registry System Cyclopenta[c][1]benzopyran-4(1H)-one, 7-(dimethylamino)-2,3-dihydro- (62669-74-3)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36

Usage And Synthesis

Coumarin 138 Supplier