isobutyl butyrate
Notes :
Modifier for florals.
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :2-methylpropyl butanoate
InChI :InChI=1/C8H16O2/c1-4-5-8(9)10-6-7(2)3/h7H,4-6H2,1-3H3
InChIKey :RGFNRWTWDWVHDD-UHFFFAOYAR
SMILES :CCCC(=O)OCC(C)C
(EINECS) number :208-729-8
cas number :539-90-2
beilstein number :1747322
fema number :2187
coe number :269
jecfa number :158
fl. number :09.043
molar refractivity :40.84 ± 0.3 cm3
parachor :372.5 ± 4.0 cm3
index of refraction :1.411 ± 0.02
surface tension :26.3 ± 3.0 dyne/cm
density :0.876 ± 0.06 g/cm3
polarizability :16.19 ± 0.5 10-24cm3
xlogp : 2.10
molecular weight : 144.2114400
formula :C8 H16 O2
 
 
fda reg :172.515 h. number :2915.60.0000
organoleptics : 
odor type :fruity
odor strength :medium
odor description :
at 100.00 %.  
sweet fruity pineapple rum apple berry
taste description³ :at 20.00 ppm.  
Sweet, fruity, pineapple, apple, bubble gum and tutti frutti
substantivity :4  Hour(s)
properties : 
appearence :colorless clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.85800 - 0.86300 @ 25.00 °C.
pounds per gallon - calc. : 7.139 to 7.181
refractive index :1.40200 - 1.40500 @ 20.00 °C.
boiling point : 157.00 - 158.00 °C. @ 760.00 mm Hg
boiling point : 79.00 - 80.00 °C. @ 50.00 mm Hg
acid value : 1.00  max.  KOH/g
logp : 2.76
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    >5000.00  mg/kg    (Moreno,1975b)
Oral-Rabbit    9520.00  mg/kg    (Munch, 1972)
Dermal Toxicity(LD50) : Skin-Rabbit  >5.00  gm/kg    
Maximised Survey-derived Daily Intakes (MSDI) :47.00 (μg/capita/day)
  
flash point ( Deg. F. ) : 114.00  °F.  TCC  ( 45.56 °C. )
  
recommendation for isobutyl butyrate usage levels up to :
  12.0000 % in the fragrance concentrate.
  
recommendation for isobutyl butyrate usage levels up to :
  2000.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :208-729-8
rtecs :ET5020000 for 539-90-2
chemidplus :000539902
epa-srs :539-90-2
dtp/nci :406938
  
other : 
 
references : 
pubchem :154188
NIST Chemistry WebBook :3704168680
  
reference : Mosciano, Gerard P&F 19, No. 4, 45, (1994)³
synonyms :
 butanoic acid 2-methyl propyl ester
 butanoic acid isobutyl ester
isobutyl butanoate
isobutyl butyrate
isobutyl N-butyrate
2-methyl propyl butanoate
2-methyl propyl butyrate
2-methyl-1-propyl butyrate
soluble in :
 alcohol
 fixed oils
insoluble in :
 glycerin
(odor and/or flavor) used in :
 apple
 apricot
 arrack
 banana
 brandy
 caramel
 chamomile
 cherry
 currant
 floral
 fruit tropical fruit
 honey miel
 peach
 pineapple
 rum
 strawberry
 tutti frutti
natural occurrence in :
apple
banana
data pagechamomile oil @ 0.04%
currant
data pageheracleum paphlagonicum czeczott fruit oil turkey @ 0.20%
honey
rum
strawberry



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