alpha-angelica lactone
 
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IUPAC name :5-methyl-3H-furan-2-one
InChI :InChI=1/C5H6O2/c1-4-2-3-5(6)7-4/h2H,3H2,1H3
InChIKey :QOTQFLOTGBBMEX-UHFFFAOYAC
SMILES :CC1=CCC(=O)O1
(EINECS) number :209-701-8
cas number :591-12-8
beilstein number :0108394
fema number :3293
coe number :731
jecfa number :221
fl. number :10.012
molar refractivity :24.49 ± 0.3 cm3
parachor :209.9 ± 6.0 cm3
index of refraction :1.471 ± 0.02
surface tension :33.1 ± 3.0 dyne/cm
density :1.120 ± 0.06 g/cm3
polarizability :9.70 ± 0.5 10-24cm3
xlogp : 0.50
molecular weight : 98.0999400
formula :C5 H6 O2
BioActivity Analysis :67548
 
 
fda reg :unspecified h. number :2932.19.0000
organoleptics : 
odor type :solvent
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet solvent-like oily nutty
taste description³ :at 100.00 ppm.  
Sweet, creamy, coconut, vanilla hay and coumarin-like nuances
substantivity :356  Hour(s)
properties : 
appearence :white crystals
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.09200 @ 25.00 °C.
refractive index :1.44760 @ 0.00 °C.
melting point : 18.00 °C. @ 760.00 mm Hg
boiling point : 55.00 - 56.00 °C. @ 12.00 mm Hg
boiling point : 167.00 - 170.00 °C. @ 760.00 mm Hg
logp : 0.84
safety : 
Oral Toxicity(LD50) : Oral-Rat    3900.00  mg/kg    
Gavage-Mouse   [sex: M,F]  2800.00  mg/kg    (Moran et al., 1980)
Dermal Toxicity(LD50) : Not determined
Maximised Survey-derived Daily Intakes (MSDI) :300.00 (μg/capita/day)
  
flash point ( Deg. F. ) : 155.00  °F.  TCC  ( 68.33 °C. )
  
recommendation for alpha-angelica lactone usage levels up to :
  0.5000 % in the fragrance concentrate.
  
recommendation for alpha-angelica lactone usage levels up to :
  100.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :209-701-8
rtecs :LU5075000 for 591-12-8
chemidplus :000591128
epa-srs :591-12-8
dtp/nci :654
  
other : 
 
references : 
jecfa number :221
fl. number :10.012
pubchem :154866
NIST Chemistry WebBook :3830127581
  
reference : Mosciano, Gerard P&F 15, No. 2, 69, (1990)³
synonyms :
alpha-angelica lactone
delta(2)-angelica lactone
delta(sup 2)-angelica lactone
4-hydroxy-3-pentenoic acid lactone
4-hydroxypent-3-enoic acid lactone
5-methyl furan-2(3H)-one
5-methyl furanone
5-methyl-2,(3H)-furanone
gamma-methyl-beta,gamma-crotonolactone
soluble in :
 alcohol
 water, 50000 mg/L @ 15C
insoluble in :
 water
(odor and/or flavor) blends with :
2-acetyl pyrazine
2-acetyl pyrrole
2-acetyl-2-thiazoline
 butyraldehyde
 coconut decanone
 coconut naphthalenone
 coffee furanone
2,5-dihydroxy-1,4-dithiane
 diisoamyl thiomalate
2,6-dimethyl pyridine
 filbert pyrazine
 furfural
 furfuryl alcohol
 furfuryl octanoate
laevo-glutamic acid
gamma-hexalactone
 maltol
2-propionyl thiazole
 shoyu furanone
 toffee furanone
(odor and/or flavor) used in :
 coconut
 cream
 milk
 molasses
 nut
 tobacco tabac tabaco
 vanilla
natural occurrence in :
bread white bread
grape
licorice
soya bean



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