isobutyl acetate
Notes :
Topnote for spring flowers and tea rose.
 
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IUPAC name :2-methylpropyl acetate
InChI :InChI=1/C6H12O2/c1-5(2)4-8-6(3)7/h5H,4H2,1-3H3
InChIKey :GJRQTCIYDGXPES-UHFFFAOYAF
SMILES :CC(C)COC(=O)C
(EINECS) number :203-745-1
eu annex :607-026-00-7
cas number :110-19-0
beilstein number :1741909
fema number :2175
coe number :195
jecfa number :137
fl. number :09.005
molar refractivity :31.57 ± 0.3 cm3
parachor :292.9 ± 4.0 cm3
index of refraction :1.395 ± 0.02
surface tension :24.6 ± 3.0 dyne/cm
density :0.883 ± 0.06 g/cm3
polarizability :12.51 ± 0.5 10-24cm3
xlogp : 1.30
molecular weight : 116.1582800
formula :C6 H12 O2
 
 
fda reg :172.515 h. number :2915.34.0000
organoleptics : 
odor type :fruity
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet fruity ether apple banana
taste description³ :at 30.00 ppm.  
Sweet fruity with a banana tutti frutti note
substantivity :4  Hour(s)
properties : 
appearence :colorless clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.86200 - 0.87100 @ 25.00 °C.
pounds per gallon - calc. : 7.173 to 7.248
refractive index :1.38900 - 1.39200 @ 20.00 °C.
melting point : -99.00 - -98.00 °C. @ 760.00 mm Hg
boiling point : 115.00 - 117.00 °C. @ 760.00 mm Hg
boiling point : 45.00 - 46.00 °C. @ 50.00 mm Hg
acid value : 1.00  max.  KOH/g
logp : 1.78
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    4.76  gm/kg    
Oral-Rat    >13400.00  mg/kg    (Smyth et al., 1962)
Dermal Toxicity(LD50) : Skin-Rabbit  >5.00  gm/kg    
Maximised Survey-derived Daily Intakes (MSDI) :1200.00 (μg/capita/day)
  
flash point ( Deg. F. ) : 60.00  °F.  TCC  ( 15.56 °C. )
  
recommendation for isobutyl acetate usage levels up to :
  5.0000 % in the fragrance concentrate.
  
recommendation for isobutyl acetate usage levels up to :
  860.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :203-745-1
rtecs :AI4025000 for 110-19-0
chemidplus :000110190
epa-srs :110-19-0
dtp/nci :8035
  
other : 
 
references : 
pubchem :151156
NIST Chemistry WebBook :2741305976
  
reference : Mosciano, Gerard P&F 15, No. 6, 35, (1990)³
synonyms :
 acetic acid 2-methyl propyl ester
 acetic acid isobutyl ester
isobutyl acetate
isobutyl ethanoate
2-methyl propyl acetate
2-methyl propyl ethanoate
beta-methyl propyl ethanoate
2-methyl-1-propyl acetate
soluble in :
 alcohol
 fixed oils
 propylene glycol
 water, 6300 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 apple
 apricot
 banana
 beer
 butter
 cherry
 chocolate cocoa
 currant
 hyacinth jacinthe
 peach
 pear
 pineapple
 plum mirabelle plum
 raspberry
 rose
 rum
 strawberry
 topnotes
 tutti frutti
natural occurrence in :
apple
apple juice
banana
beer
data pagechamomile oil @ 0.02%
cocoa
pear
pineapple
raspberry
strawberry



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