3-methyl-2-buten-1-al
 
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IUPAC name :3-methylbut-2-enal
InChI :InChI=1/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3
InChIKey :SEPQTYODOKLVSB-UHFFFAOYAT
SMILES :CC(=CC=O)C
(EINECS) number :203-527-6
cas number :107-86-8
fema number :3646
coe number :10354
jecfa number :1202
fl. number :05.124
molar refractivity :25.30 ± 0.3 cm3
parachor :223.3 ± 4.0 cm3
index of refraction :1.411 ± 0.02
surface tension :23.1 ± 3.0 dyne/cm
density :0.826 ± 0.06 g/cm3
polarizability :10.02 ± 0.5 10-24cm3
xlogp : 0.90
molecular weight : 84.1164200
formula :C5 H8 O
BioActivity Analysis :430818
 
 
fda reg :unspecified h. number :2912.19
organoleptics : 
odor type :fruity
odor strength :high ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in dipropylene glycol.  
sweet fruity pungent brown nutty almond cherry
taste description³ :at 25.00 ppm.  
Sweet, fruity and green with a nutty and cherry background
properties : 
appearence :colorless to yellow clear liquid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.87200 @ 25.00 °C.
refractive index :1.46130 @ 20.00 °C.
boiling point : 133.00 - 135.00 °C. @ 760.00 mm Hg
logp : 1.07
safety : 
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 92.00  °F.  TCC  ( 33.33 °C. )
  
recommendation for 3-methyl-2-buten-1-al usage levels up to :
  1.0000 % in the fragrance concentrate.
  
recommendation for 3-methyl-2-buten-1-al usage levels up to :
  25.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :203-527-6
chemidplus :000107868
epa-srs :107-86-8
dtp/nci :149164
  
other : 
 
references : 
pubchem :197246
NIST Chemistry WebBook :618598574
  
reference : Mosciano, Gerard P&F 19, No. 3, 51, (1994)³
synonyms :
3,3-dimethyl acryl aldehyde
3-methyl crotonaldehyde
3-methyl-2-buten-1-al
2-isopentenal
 prenal
 senecialdehyde
soluble in :
 alcohol
insoluble in :
 water
(odor and/or flavor) used in :
 almond
 apple
 cherry
 cinnamon
 spice
natural occurrence in :
found in nature



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