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3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde

3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde ??? ???
?? ??:
50276-98-7
???:
3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde
???(??):
Erythrocentaurin;Erythrocentaurine;1-oxo-3,4-dihydroisochromene-5-carbaldehyde;3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde;1H-2-Benzopyran-5-carboxaldehyde, 3,4-dihydro-1-oxo-
CBNumber:
CB92354755
???:
C10H8O3
??? ??:
176.17
MOL ??:
50276-98-7.mol

3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde ??

???
143-146℃
?? ?
418.1±45.0 °C(Predicted)
??
1.300±0.06 g/cm3(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde C??? ??, ??, ??

3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde ?? ?? ? ???

???

?? ??


3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde ?? ??

???( 32)?? ??
??? ?? ??? ?? ?? ? ??
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3,4-Dihydro-1-oxo-1H-2-benzopyran-5-carbaldehyde ?? ??:

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