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4-????-5-??-3-???

4-????-5-??-3-???
4-????-5-??-3-??? ??? ???
?? ??:
19322-27-1
???:
4-????-5-??-3-???
???(??):
4-????-5-??-3-???;5-??-4-?????-3(2H)-???;4-?????-5-??-3-???
???:
4-Hydroxy-5-methyl-3-furanone
???(??):
3(2H)-Furanone, 4-hydroxy-5-methyl-;Norfuraneol;4-HYDROXY-5-METHYL-3(2H)-FURANONE;FEMA 3635;CHICORY FURANEOL;5-METHYL-4-HYDROXY-3(2H)-FURANONE;Norfuronol;toffee furanone;4-HYROXY-5-METHYL-3-FURANONE;4-Hydroxy-5-methyl-3-furanone
CBNumber:
CB7305713
???:
C5H6O3
??? ??:
114.1
MOL ??:
19322-27-1.mol
MSDS ??:
SDS

4-????-5-??-3-??? ??

???
129-133 °C(lit.)
?? ?
218.3±40.0 °C(Predicted)
??
1.382±0.06 g/cm3(Predicted)
FEMA
3635 | 4-HYDROXY-5-METHYL-3(2H)-FURANONE
?? ??
under inert gas (nitrogen or Argon) at 2-8°C
???
?????(???), DMSO (?? ???), ??? (?? ???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
9.61±0.20(Predicted)
??
?? ????? ?????
??
?? ?? ??
?? ??
??? ??
???? ??
synthetic
JECFA Number
1450
InChI
1S/C5H6O3/c1-3-5(7)4(6)2-8-3/h7H,2H2,1H3
InChIKey
DLVYTANECMRFGX-UHFFFAOYSA-N
SMILES
CC1=C(O)C(=O)CO1
LogP
-0.15
CAS ??????
19322-27-1(CAS DataBase Reference)
NIST
4-hydroxy-5-methyl-3(2H)-furanone(19322-27-1)
EPA
3(2H)-Furanone, 4-hydroxy-5-methyl- (19322-27-1)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
WGK ?? 3
TSCA TSCA listed
???? ??? 11 - Combustible Solids
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P330 ?? ?????.
P501 ...? ??? / ??? ?? ???.

4-????-5-??-3-??? C??? ??, ??, ??

??? ??

white to light yellow crystal powde

??

Reported found in beef broth, guava, raspberry and shoyu (fermented soya hydrolysate)

??

4-Hydroxy-5-methyl-3-furanone may be used in oxidoreductase assay for the evaluation of oxidoreductase activity.

??

ChEBI: A member of the class of furans that is 5-methyl-2,3-dihydrofuran with a hydroxy group at position 4 and a keto group at position 3.

?? ??

4-Hydroxy-5-methyl-3-furanone is the key flavor component of beef broth and shoyu (soy sauce).

4-????-5-??-3-??? ?? ?? ? ???

???

?? ??


4-????-5-??-3-??? ?? ??

???( 196)?? ??
??? ?? ??? ?? ?? ? ??
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