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7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one ??? ???
?? ??:
21353-16-2
???:
7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one
???(??):
4-methyl-7-hydroxy-8-nitrocoumarin;7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one;2H-Naphtho[1,2-b]pyran-2-one, 7-hydroxy-4-methyl-
CBNumber:
CB22658302
???:
C14H10O3
??? ??:
226.23
MOL ??:
21353-16-2.mol

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one ??

???
302-303 °C
?? ?
472.1±30.0 °C(Predicted)
??
1.349±0.06 g/cm3(Predicted)
?? ?? (pKa)
9.10±0.20(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P330 ?? ?????.
P501 ...? ??? / ??? ?? ???.

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one C??? ??, ??, ??

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one ?? ?? ? ???

???

?? ??

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one ?? ??

???( 8)?? ??
??? ?? ??? ?? ?? ? ??
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