diacetyl
Notes :
Delute with two parts diacetyl to 1000 parts linalool
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :butane-2,3-dione
InChI :InChI=1/C4H6O2/c1-3(5)4(2)6/h1-2H3
InChIKey :QSJXEFYPDANLFS-UHFFFAOYAX
SMILES :CC(=O)C(=O)C
(EINECS) number :207-069-8
cas number :431-03-8
beilstein number :0605398
fema number :2370
coe number :752
jecfa number :408
fl. number :07.052
molar refractivity :20.63 ± 0.3 cm3
parachor :201.4 ± 4.0 cm3
index of refraction :1.381 ± 0.02
surface tension :26.4 ± 3.0 dyne/cm
density :0.969 ± 0.06 g/cm3
polarizability :8.18 ± 0.5 10-24cm3
xlogp : -0.20
molecular weight : 86.0892400
formula :C4 H6 O2
BioActivity Analysis :74367
 
 
fda reg :184.1278 h. number :2914.19.00
organoleptics : 
odor type :buttery
odor strength :high ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in propylene glycol.  
strong butter sweet creamy pungent caramel
taste description³ :at 50.00 ppm.  
Sweet, buttery, creamy, milky
substantivity :44  Hour(s)
properties : 
appearence :yellow to yellow green clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.97900 - 0.98500 @ 25.00 °C.
pounds per gallon - calc. : 8.146 to 8.196
refractive index :1.39300 - 1.39700 @ 20.00 °C.
boiling point : 87.00 - 88.00 °C. @ 760.00 mm Hg
logp : -1.34
safety : 
most important hazard(s) : Xn - Harmful.
  
Oral Toxicity(LD50) : Oral-Rat    1580.00  gm/kg  FCTXAV  2,327,1964
Dermal Toxicity(LD50) : Skin-Rabbit  >5.00  gm/kg  FCTXAV  17,765,1979
  
flash point ( Deg. F. ) : 45.00  °F.  TCC  ( 7.22 °C. )
  
recommendation for diacetyl usage levels up to :
  0.3000 % in the fragrance concentrate.
  
recommendation for diacetyl usage levels up to :
  50.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :207-069-8
rtecs :EK2625000 for 431-03-8
chemidplus :000431038
epa-srs :431-03-8
dtp/nci :8750
  
other : 
 
references : 
pubchem :153111
NIST Chemistry WebBook :3847408412
  
reference : Mosciano, Gerard P&F 16, No. 6, 43, (1991)³
synonyms :
 biacetyl
2,3-butadione
2,3-butane dione
 diacetyl
2,3-diketobutane
 dimethyl diketone
 dimethyl glyoxal
2,3-dioxobutane
soluble in :
 alcohol
 fixed oils
 glycerin
 propylene glycol
 water, 200000 mg/L @ 15C
insoluble in :
 paraffin oil
(odor and/or flavor) blends with :
 dilute with two parts diacetyl to 1000 parts linalool
(odor and/or flavor) used in :
 angelica
 azalea
 banana
 bay
 beer
 butter
 butterscotch
 caramel
 caraway
 champaca champak
 cheese cheddar cheese
 cheese swiss cheese
 chicory root
 citronella
 clary sage
 coffee
 cranberry
 cream
 custard
 cypress
 dairy
 gardenia
 geranium
 jasmin
 lavandin
 lavender
 lilac lilas syringa
 magnolia
 narcissus narcisse
 nutmeg
 orris iris
 patchouli
 sandalwood
 savin
 strawberry
 sugar brown sugar
 tomato
 tulip
 vetiver
 vinegar
 ylang ylang cananga
 yogurt
natural occurrence in :
bilberry
blackberry
butter
cabbage
cheese cheddar cheese
chicory root
citronella oil java
coffee
cranberry
currant
geranium oil
grape
lavandin oil
lavender oil
data pagelavender oil spike spain @ 0.331%
milk
pear
pineapple
raspberry fruit
strawberry
tomato
vinegar
yogurt



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