Coumarin 334

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Names

[ CAS No. ]:
55804-67-6

[ Name ]:
Coumarin 334

[Synonym ]:
Coumarin 521
coumarin C334
10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
F0348-0071
EINECS 259-826-7
10-acetyl-2,3,6,7-tetrahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11(5H)-one
10-acetyl-2,3,6,7-tetrahydro-1H,5H,11H-{1}benzopyrano{6,7,8-ij}quinolizin-11-one
9-Acetyl-2,3,5,6-tetrahydro-1H,4H-11-oxa-3a-aza-benzo[de]anthracen-10-one
MFCD00051336

Chemical & Physical Properties

[ Density]:
1.33g/cm3

[ Boiling Point ]:
559.8ºC at 760mmHg

[ Melting Point ]:
181-184 °C(lit.)

[ Molecular Formula ]:
C17H17NO3

[ Molecular Weight ]:
283.32200

[ Flash Point ]:
292.4ºC

[ Exact Mass ]:
283.12100

[ PSA ]:
50.52000

[ LogP ]:
2.75940

[ Index of Refraction ]:
1.647

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
37/39-26

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 8-Hydroxyjulolidine-9-aldehyde
  • Ethyl acetoacetate
  • 3-anisidine
  • 8-Methoxyjulolidine
  • 8-Hydroxyjulolidine

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • COUMARIN 7
  • Coumarin, 3,7,8-trihydroxy-4-methyl- (8CI)
  • Coumarin, 8-benzylidene-3,4,5,6,7,8-hexahydro-3,3-dimethyl-4-phenyl- (en)
  • coumarin-3-carboxylic acid-N-(5,7-dihydroxycoumarin)-3-carbonylhydrazide
  • Coumarin 120
  • Coumarin, 3,6,7-trihydroxy-4-methyl- (8CI)