propyl isobutyrate
 
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IUPAC name :propyl 2-methylpropanoate
InChI :InChI=1/C7H14O2/c1-4-5-9-7(8)6(2)3/h6H,4-5H2,1-3H3
InChIKey :AZFUASHXSOTBNU-UHFFFAOYAO
SMILES :CCCOC(=O)C(C)C
(EINECS) number :211-417-4
cas number :644-49-5
fema number :2936
coe number :289
jecfa number :187
fl. number :09.414
molar refractivity :36.21 ± 0.3 cm3
parachor :332.7 ± 4.0 cm3
index of refraction :1.404 ± 0.02
surface tension :25.5 ± 3.0 dyne/cm
density :0.879 ± 0.06 g/cm3
polarizability :14.35 ± 0.5 10-24cm3
xlogp : 1.60
molecular weight : 130.1848600
formula :C7 H14 O2
 
 
fda reg :172.515 h. number :2915.60.0000
organoleptics : 
odor type :fruity
odor strength :medium
odor description :
at 100.00 %.  
sweet ripe fruity tropical melon berry
taste description³ :at 5.00 - 15.00 ppm.  
Sweet, fruity, with ripe tropical, tutti frutti and citrus melon nuances
properties : 
appearence :colorless clear liquid
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.86000 - 0.86600 @ 20.00 °C.
pounds per gallon - calc. : 7.164 to 7.214
refractive index :1.39200 - 1.39700 @ 20.00 °C.
boiling point : 133.00 - 134.00 °C. @ 760.00 mm Hg
boiling point : 59.00 - 60.00 °C. @ 50.00 mm Hg
logp : 2.26
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    15000.00  mg/kg    (Jenner et al., 1964)
Dermal Toxicity(LD50) : Not determined
Maximised Survey-derived Daily Intakes (MSDI) :15.00 (μg/capita/day)
  
flash point ( Deg. F. ) : 80.00  °F.  TCC  ( 26.67 °C. )
  
recommendation for propyl isobutyrate usage levels up to :
  5.0000 % in the fragrance concentrate.
  
recommendation for propyl isobutyrate usage levels up to :
  25.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :211-417-4
chemidplus :000644495
epa-srs :644-49-5
dtp/nci :406702
  
other : 
 
references : 
pubchem :155895
NIST Chemistry WebBook :1688296260
  
reference : Mosciano, Gerard P&F 26, No. 2, 40, (2001)³
synonyms :
isobutyric acid propyl ester
2-methyl propanoic acid propyl ester
 propyl 2-methyl propanoate
 propyl isobutyrate
soluble in :
 alcohol
 water, 1070 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 apple
 banana
 cherry
 gooseberry
 grape
 guava
 honey miel
 hops houblon
 mandarin
 mango
 melon
 olive
 orange
 pineapple
 plum greengage plum
 plum mirabelle plum
 rum
 tangerine
natural occurrence in :
apple
data pageheracleum paphlagonicum czeczott fruit oil turkey @ <0.10%
honey
hop oil
olive



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