gamma-butyrolactone
 
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IUPAC name :oxolan-2-one
InChI :InChI=1/C4H6O2/c5-4-2-1-3-6-4/h1-3H2
InChIKey :YEJRWHAVMIAJKC-UHFFFAOYAC
SMILES :C1CC(=O)OC1
(EINECS) number :202-509-5
cas number :96-48-0
fema number :3291
coe number :615
jecfa number :219
fl. number :10.006
molar refractivity :20.18 ± 0.3 cm3
parachor :186.0 ± 4.0 cm3
index of refraction :1.442 ± 0.02
surface tension :35.4 ± 3.0 dyne/cm
density :1.128 ± 0.06 g/cm3
polarizability :8.00 ± 0.5 10-24cm3
xlogp : 0.20
molecular weight : 86.0892400
formula :C4 H6 O2
BioActivity Analysis :70860
 
 
fda reg :unspecified h. number :2932.29.6000
organoleptics : 
odor type :creamy
odor strength :medium
odor description :
at 100.00 %.  
creamy oily fatty caramel
taste description³ :at 75.00 ppm.  
Milky, creamy with fruity peach-like afternotes
properties : 
appearence :colorless to pale yellow clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :1.12000 - 1.13000 @ 25.00 °C.
pounds per gallon - calc. : 9.320 to 9.403
refractive index :1.43400 - 1.45400 @ 25.00 °C.
melting point : -45.00 °C. @ 760.00 mm Hg
boiling point : 204.00 - 205.00 °C. @ 760.00 mm Hg
logp : -0.64
safety : 
most important hazard(s) : Xn - Harmful.
  
Oral Toxicity(LD50) : Oral-Rat    1540.00  mg/kg    
Gavage-Mouse    1245.00  mg/kg    (Schafer & Bowles, 1985)
Dermal Toxicity(LD50) : Skin-Guineapig  >5.00  gm/kg    
Maximised Survey-derived Daily Intakes (MSDI) :110.00 (μg/capita/day)
  
flash point ( Deg. F. ) : 209.00  °F.  TCC  ( 98.33 °C. )
  
recommendation for gamma-butyrolactone usage levels up to :
  0.5000 % in the fragrance concentrate.
  
recommendation for gamma-butyrolactone usage levels up to :
  75.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :202-509-5
rtecs :LU3500000 for 96-48-0
chemidplus :000096480
epa-srs :96-48-0
dtp/nci :4592
  
other : 
 
references : 
jecfa number :219
fl. number :10.006
pubchem :150354
NIST Chemistry WebBook :2616688338
  
reference : Mosciano, Gerard P&F 16, No. 2, 49, (1991)³
synonyms :
1,2-butanolide
1,4-butanolide
4-butanolide
4-butyrolactone
gamma-butyrolactone
 butyryl lactone
4-deoxytetronic acid
 dihydro-2(3H)-furanone
4-hydroxybutanoic acid lactone
gamma-hydroxybutyric acid cyclic ester
4-hydroxybutyric acid lactone
gamma-hydroxybutyric acid lactone
gamma-hydroxybutyrolactone
2-oxolanone
 tetrahydro-2-furanone
soluble in :
 alcohol
 water, 1000000 mg/L @ 25C
(odor and/or flavor) blends with :
 acetoin
 acetoin acetate
 acetyl butyryl
 acetyl isobutyryl
 acetyl isovaleryl
 acetyl nonyryl
 acetyl propionyl
 allyl cyclohexyl hexanoate
 allyl methyl trisulfide
 allyl nonanoate
6-amyl-alpha-pyrone
 benzyl octanoate
 benzylidene acetone
isobutyl benzyl carbinol
 butyl butyryl lactate
 butyl lactate
 butyl laevo-lactate
2-butyl thiophene
isobutyl undecylenate
 butyric acid
2-oxobutyric acid
 coconut absolute
 coconut decanone
 creamy lactone
 dairy lactone
delta-decalactone
gamma-decalactone
6-decenoic acid
9-decenoic acid
 decyl propionate
 diacetyl
1,2-dimethoxybenzene
delta-2-dodecenolactone
 ethyl palmitate
 ethyl undecylenate
 ethyl vanillin
 ethyl vanillin isobutyrate
 ethyl vanillin propylene glycol acetal
 farnesyl acetone
 heptanal 2,3-butane diol acetal
3-heptanone
(Z)-4-hepten-1-al
(Z)-4-hepten-1-al diethyl acetal
(Z)-4-hepten-1-ol
(E)-2-hepten-1-yl acetate
3-heptyl dihydro-5-methyl-2(3H)-furanone
 ivy dioxolane
 massoia lactone
 methional
 methyl (Z)-5-octenoate
 methyl 2-thiofuroate
6-methyl coumarin
2-methyl heptanoic acid
 methyl laurate
4-methyl octanoic acid
dextro,laevo-3-(methyl thio) butanone
3-methyl-2-cyclopenten-1-one
3-(5-methyl-2-furyl) butanal
 mint lactone
delta-nonalactone
2-nonanol
1-nonen-3-ol
2,4-octadien-1-ol
gamma-octalactone
(Z)-3-octen-1-ol
3-octen-2-ol
 octyl 2-furoate
 octyl heptanoate
 octyl isobutyrate
 petal pyranone
 strawberry furanone acetate
delta-tetradecalactone
2-tridecanone
delta-undecalactone
gamma-undecalactone
 undecanoic acid
 valeraldehyde diethyl acetal
isovaleraldehyde diethyl acetal
 vanilla carboxylate
 vanilla oleoresin
 vanillic acid
 vanillin
 vanillyl acetate
 vanillyl alcohol
 vanillyl isobutyrate
 vanillylidene acetone
(odor and/or flavor) used in :
 butterscotch
 coconut
 mango
 peach
 solvents
natural occurrence in :
beer
coffee
data pageguava fruit headspace reunion @ 7.60%
data pagelavender oil spike spain @ 0.067%
mango
wine white wine



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