2-methyl-2-penten-1-al
 
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IUPAC name :2-methylpent-2-enal
InChI :InChI=1/C6H10O/c1-3-4-6(2)5-7/h4-5H,3H2,1-2H3
InChIKey :IDEYZABHVQLHAF-UHFFFAOYAP
SMILES :CCC=C(C)C=O
(EINECS) number :210-789-5
cas number :623-36-9
beilstein number :0506124
fema number :3194
coe number :2129
jecfa number :1209
fl. number :05.090
molar refractivity :29.93 ± 0.3 cm3
parachor :263.1 ± 4.0 cm3
index of refraction :1.419 ± 0.02
surface tension :24.4 ± 3.0 dyne/cm
density :0.829 ± 0.06 g/cm3
polarizability :11.86 ± 0.5 10-24cm3
xlogp : 1.40
molecular weight : 98.1430000
formula :C6 H10 O
BioActivity Analysis :74944
 
 
IUPAC name :(E)-2-methylpent-2-enal
InChI :InChI=1/C6H10O/c1-3-4-6(2)5-7/h4-5H,3H2,1-2H3/b6-4+
InChIKey :IDEYZABHVQLHAF-GQCTYLIABM
SMILES :CC\C=C(/C)\C=O
cas number :14250-96-5
molar refractivity :29.93 ± 0.3 cm3
parachor :263.1 ± 4.0 cm3
index of refraction :1.419 ± 0.02
surface tension :24.4 ± 3.0 dyne/cm
density :0.829 ± 0.06 g/cm3
polarizability :11.86 ± 0.5 10-24cm3
xlogp : 1.40
molecular weight : 98.1430000
formula :C6 H10 O
 
 
export tariff code :unspecified
fda reg :unspecified
 

Suppliers :
Cargill - Alfrebro :2-METHYL-2-PENTENAL
 natural, Kosher
 
Fontarome Chemical :2-METHYL 2 PENTENAL
 
Oxford Chemicals Ltd :2-METHYL-2-PENTENAL
 ≥98.00% (sum of isomers), NI, Kosher
 
Sigma-Aldrich-SAFC :2-Methyl-2-pentenal
 ≥97%, Kosher
 
 

organoleptics :
odor type :fruity
odor strength :high ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
powerful green grass somewhat fruity gassy

properties :
appearence :colorless clear liquid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.85300 - 0.86000 @ 25.00 °C.
pounds per gallon - calc. : 7.098 to 7.156
refractive index :1.44700 - 1.45500 @ 20.00 °C.
boiling point : 137.00 - 138.00 °C. @ 765.00 mm Hg
boiling point : 135.00 - 136.00 °C. @ 760.00 mm Hg
logp : 1.64

safety :
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    4290.00  mg/kg    
Dermal Toxicity(LD50) : Skin-Rabbit  4500.00  ul/kg    
  
flash point ( Deg. F. ) : 89.00  °F.  TCC  ( 31.67 °C. )
  
recommendation for 2-methyl-2-penten-1-al usage levels up to :
  0.2000 % in the fragrance concentrate.
  
recommendation for 2-methyl-2-penten-1-al usage levels up to :
  80.0000 ppm in the flavor.
  

safety links :
(EINECS) number :210-789-5
rtecs :SB2100000 for 623-36-9
chemidplus :000623369
epa-srs :623-36-9
dtp/nci :9464
  
chemidplus :014250965
epa-srs :14250-96-5
  

other :
 

references :
jecfa number :1209
fl. number :05.090
pubchem :155496
NIST Chemistry WebBook :13673659
  
pubchem :694071
NIST Chemistry WebBook :794597878
  
synonyms :
2,4-dimethyl crotonaldehyde
beta-ethyl-alpha-methyl acrolein
2-methyl pent-2-enal
2-methyl-2-penten-1-al
2-methyl-2-pentenal
2-methyl-3-ethyl acrolein
alpha-methyl-beta-ethyl acrolein
soluble in :
 alcohol
 dipropylene glycol
insoluble in :
 water
(odor and/or flavor) blends with :
 acetal 318
 acetyl butyryl
 allyl 2-furoate
 allyl cyclohexyl acetate
 allyl propionate
isoamyl heptanoate
 amyl valerate
 ascorbic acid
 bark carbaldehyde
 butyl heptanoate
sec-butyl-3-methyl but-2-ene thioate
 dibutyl sulfide
 dihydroactinidolide
3,7-dimethyl-6-octenoic acid
 ethyl methyl mercaptopropionate
2-ethyl pyridine
 furfuryl isovalerate
 furfuryl valerate
3-(2-furyl) acrolein
 geranyl acetone
(Z)-3-hepten-1-ol
3-hepten-2-one
2-heptenoic acid
 heptyl acetate
 heptyl heptanoate
 hexanal
 hexanal dihexyl acetal
(Z)-3-hexen-1-al
(E)-2-hexen-1-yl butyrate
(Z)-3-hexenoic acid
 hexyl isovalerate
 lilac acetaldehyde
 litsea cubeba oil
 maltol
2-methyl butyl acetate
3-(methyl thio) hexanal
2-methyl-2-pentenoic acid
 mimosa absolute
 neryl propionate
 oakmoss resin
(E,E)-3,5-octadien-2-one
 pineapple hydroxyhexanoate
 prenyl ethyl ether
 propyl heptanoate
 propyl isobutyrate
 propylene acetal
3,5,5-trimethyl hexanol
(odor and/or flavor) used in :
 cherry
 coffee
 fruit
 grape
 grass
 nut walnut
 onion
 raspberry
 strawberry
natural occurrence in :
coffee
grape
data pagelovage flower oil @ 0.22%
onion
walnut



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