1-hydroxy-2-butanone
 
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IUPAC name :1-hydroxybutan-2-one
InChI :InChI=1/C4H8O2/c1-2-4(6)3-5/h5H,2-3H2,1H3
InChIKey :GFAZHVHNLUBROE-UHFFFAOYAK
(EINECS) number :225-790-6
cas number :5077-67-8
fema number :3173
coe number :11102
jecfa number :1717
fl. number :07.090
molar refractivity :22.14 ± 0.3 cm3
parachor :213.0 ± 4.0 cm3
index of refraction :1.411 ± 0.02
surface tension :32.5 ± 3.0 dyne/cm
density :0.987 ± 0.06 g/cm3
polarizability :8.77 ± 0.5 10-24cm3
xlogp : -0.60
molecular weight : 88.1051200
formula :C4 H8 O2
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :coffee
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet coffee musty grain malt butterscotch
taste description³ :at 30.00 ppm.  
Brown, oily and alcoholic with toasted grain notes
properties : 
appearence :colorless clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.01400 - 1.02000 @ 25.00 °C.
pounds per gallon - calc. : 8.437 to 8.487
refractive index :1.39000 - 1.43000 @ 20.00 °C.
boiling point : 152.00 - 154.00 °C. @ 760.00 mm Hg
logp : -0.29
safety : 
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 140.00  °F.  TCC  ( 60.00 °C. )
  
recommendation for 1-hydroxy-2-butanone usage levels up to :
  0.8000 % in the fragrance concentrate.
  
recommendation for 1-hydroxy-2-butanone usage levels up to :
  80.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :225-790-6
chemidplus :005077678
epa-srs :5077-67-8
  
other : 
 
references : 
pubchem :204033
NIST Chemistry WebBook :1782882007
  
reference : Mosciano, Gerard P&F 22, No. 3, 47, (1997)³
synonyms :
2-oxobutanol
 ethyl hydroxymethyl ketone
1-hydroxy-2-butanone
1-hydroxybutan-2-one
2-hydroxybutanone
soluble in :
 alcohol
 ether
 water
(odor and/or flavor) used in :
 butterscotch
 coffee
 grain
 malt
 mushroom
natural occurrence in :
coffee
mushroom



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