55804-68-7

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55804-68-7 Structure

Identification	Back Directory
[Name] Coumarin 337
[CAS] 55804-68-7
[Synonyms] ro-11-oxo- COUMARIN 523 COUMARIN 337 Coumarine 337 Exciton Coumarin 523 Coumarin337,lasergrade Coumarin 337, laser grade, pure Coumarin 337,99%,pure,laser grade COUMARIN 337, 99%, LASER GRADE, PURE 3-Cyano-6,7,8-(4-azaheptane-1,4,7-triyl)-2H-1-benzopyran-2-one 2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]-10-quinolizi 1h,5h,11h-[1]benzopyrano[6,7,8-ij]quinolizine-10-carbonitrile,2,3,6,7-tetrahyd 10-CYANO-1,2,5,6-TETRAHYDRO-3H,7H,11H-[1]BENZOPYRANO[6,7,8-IJ]QUINOLIZIN-11-ONE 2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carbonitrile 11-OXO-2,3,6,7-TETRAHYDRO-1H,5H,11H-PYRANO[2,3-F]PYRIDO[3,2,1-IJ]QUINOLINE-10-CARBONITRILE 2,3,6,7-TETRAHYDRO-11-OXO-1H,5H,11H-PYRANO[2,3-F]PYRIDO [3,2,1-IJ]QUINOLINE-10-CARBONITRILE
[EINECS(EC#)] 259-827-2
[Molecular Formula] C16H14N2O2
[MDL Number] MFCD00051332
[MOL File] 55804-68-7.mol
[Molecular Weight] 266.29

Chemical Properties	Back Directory
[Appearance] orange needle-like crystals
[Melting point ] 250 °C (dec.)(lit.)
[Boiling point ] 409.5°C (rough estimate)
[density ] 1.1262 (rough estimate)
[refractive index ] 1.6240 (estimate)
[pka] 5.14±0.40(Predicted)
[λmax] 442nm(EtOH)(lit.)
[EPA Substance Registry System] 1H,5H,11H-[1]Benzopyrano[ 6,7,8-ij]quinolizine-10-carbonitrile, 2,3,6,7-tetrahydro-11-oxo- (55804-68-7)

Hazard Information	Back Directory
[Chemical Properties] orange needle-like crystals
[Uses] Suitable as a laser dye.

Safety Data	Back Directory
[Hazard Codes ] Xn
[Risk Statements ] 36/37/38-20/21/22
[Safety Statements ] 37/39-26
[WGK Germany ] 3
[HS Code ] 29322985

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