cognac heptanone
 
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IUPAC name :2,6-dimethylheptan-4-one
InChI :InChI=1/C9H18O/c1-7(2)5-9(10)6-8(3)4/h7-8H,5-6H2,1-4H3
InChIKey :PTTPXKJBFFKCEK-UHFFFAOYAW
SMILES :CC(C)CC(=O)CC(C)C
(EINECS) number :203-620-1
eu annex :606-005-00-X
cas number :108-83-8
beilstein number :1743163
fema number :3537
coe number :11914
jecfa number :302
fl. number :07.122
molar refractivity :43.69 ± 0.3 cm3
parachor :390.0 ± 4.0 cm3
index of refraction :1.413 ± 0.02
surface tension :24.6 ± 3.0 dyne/cm
density :0.812 ± 0.06 g/cm3
polarizability :17.32 ± 0.5 10-24cm3
xlogp : 2.80
molecular weight : 142.2386200
formula :C9 H18 O
 
 
fda reg :175.105 h. number :unspecified
organoleptics : 
odor type :green
odor strength :medium ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in dipropylene glycol.  
green fruity metallic pineapple banana
taste description³ :at 4.00 ppm.  
Cognac, citrus, fruity, pineapple, banana, pear and tropical nuances
properties : 
appearence :colorless clear liquid
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.80000 - 0.82100 @ 25.00 °C.
pounds per gallon - calc. : 6.657 to 6.832
refractive index :1.41100 - 1.41400 @ 20.00 °C.
boiling point : 169.00 °C. @ 760.00 mm Hg
logp : 2.56
safety : 
Oral Toxicity(LD50) : Oral-Rat    5750.00  mg/kg    (Smyth et al., 1949)
Oral-Mouse    2800.00  mg/kg    (McOmie & Anderson, 1949a)
Oral-Mouse    1416.00  mg/kg    (RTECS, 1975)
Dermal Toxicity(LD50) : Skin-Rabbit  16.00  gm/kg    
Maximised Survey-derived Daily Intakes (MSDI) :0.18 (μg/capita/day)
  
flash point ( Deg. F. ) : 113.00  °F.  TCC  ( 45.00 °C. )
  
recommendation for cognac heptanone usage levels up to :
  1.0000 % in the fragrance concentrate.
  
recommendation for cognac heptanone usage levels up to :
  4.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :203-620-1
rtecs :MJ5775000 for 108-83-8
chemidplus :000108838
epa-srs :108-83-8
dtp/nci :15136
  
other : 
 
references : 
pubchem :151070
NIST Chemistry WebBook :228734928
  
reference : Mosciano, Gerard P&F 23, No. 1, 33, (1998)³
synonyms :
isobutyl ketone
 cognac heptanone
 diisobutyl ketone
sec-diisopropyl acetone
2,6-dimethyl heptan-4-one
2,6-dimethyl heptanone
2,6-dimethyl-4-heptanone
isovalerone
soluble in :
 alcohol
 water, 2640 mg/L @ 24C
insoluble in :
 water
(odor and/or flavor) used in :
 banana
 cognac
 green
 orange
 passion fruit
 pear
 pineapple
 rum
 strawberry
 tropical
natural occurrence in :
cognac
wine red wine
wine white wine



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