methional
 
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IUPAC name :3-methylsulfanylpropanal
InChI :InChI=1/C4H8OS/c1-6-4-2-3-5/h3H,2,4H2,1H3
InChIKey :CLUWOWRTHNNBBU-UHFFFAOYAN
SMILES :CSCCC=O
(EINECS) number :221-882-5
cas number :3268-49-3
beilstein number :1739289
fema number :2747
coe number :125
jecfa number :466
fl. number :12.001
molar refractivity :28.76 ± 0.3 cm3
parachor :250.8 ± 4.0 cm3
index of refraction :1.455 ± 0.02
surface tension :31.5 ± 3.0 dyne/cm
density :0.984 ± 0.06 g/cm3
polarizability :11.40 ± 0.5 10-24cm3
xlogp : 1.20
molecular weight : 104.1707200
formula :C4 H8 O S
BioActivity Analysis :79636
 
 
fda reg :172.515 h. number :unspecified
organoleptics : 
odor type :vegetable
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
musty potato tomato earthy vegetable creamy
taste description³ :at 0.01 - 5.00 ppm.  
Musty tomato, potato, vegetative, mold ripened cheeses, onion, beefy brothy and egg and seafood nuances
properties : 
appearence :colorless to yellow clear liquid
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.47900 - 1.49300 @ 25.00 °C.
pounds per gallon - calc. :12.307 to 12.423
refractive index :1.03700 - 1.05200 @ 20.00 °C.
boiling point : 165.00 - 166.00 °C. @ 760.00 mm Hg
acid value : 10.00  max.  KOH/g
logp : 0.71
safety : 
most important hazard(s) : Xn - Harmful.
  
Oral Toxicity(LD50) : Oral-Rat    700.00  mg/kg    
Dermal Toxicity(LD50) : Skin-Rabbit  2500.00  mg/kg    
  
flash point ( Deg. F. ) : 142.00  °F.  TCC  ( 61.11 °C. )
  
recommendation for methional usage levels up to :
 not for fragrance use.
  
recommendation for methional usage levels up to :
  5.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :221-882-5
rtecs :UE2285000 for 3268-49-3
chemidplus :003268493
epa-srs :3268-49-3
dtp/nci :15874
  
other : 
 
references : 
pubchem :161640
NIST Chemistry WebBook :2862991918
  
reference : Mosciano, Gerard P&F 24, No. 5, 41, (1999)³
synonyms :
 methional
beta-methiopropionaldehyde
beta-(methyl mercapto) propionaldehyde
 methyl mercaptopropionaldehyde
3-methyl mercaptopropionaldehyde
beta-methyl mercaptopropionaldehyde
 methyl mercaptopropionic aldehyde
3-methyl mercaptopropyl aldehyde
3-(methyl thio) propanal
3-(methyl thio) propionaldehyde
beta-(methyl thio) propionaldehyde
3-methyl thiopropionaldehyde
beta-methyl thiopropionaldehyde
soluble in :
 alcohol
 dipropylene glycol
 propylene glycol
 water, very slightly
insoluble in :
 water
(odor and/or flavor) used in :
 bread white bread
 cabbage
 cheese
 fruit tropical fruit
 meat
 mushroom
 nut macadamia
 nut peanut
 onion
 potato chip
 seafood
 tomato
natural occurrence in :
asparagus
beer
bread
cheese cheddar cheese
cheese gorgonzola cheese
chicken cooked chicken
macadamia nut
mushroom
peanut
potato baked potato
potato chip



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