2-acetyl-2-thiazoline
 
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IUPAC name :1-(4,5-dihydro-1,3-thiazol-2-yl)ethanone
InChI :InChI=1/C5H7NOS/c1-4(7)5-6-2-3-8-5/h2-3H2,1H3
InChIKey :FZOZFDAMVVEZSJ-UHFFFAOYAO
SMILES :CC(=O)C1=NCCS1
cas number :29926-41-8
fema number :3817
coe number :2335
jecfa number :1759
fl. number :15.010
molar refractivity :34.56 ± 0.5 cm3
parachor :260.0± 8.0 cm3
index of refraction :1.609 ± 0.05
surface tension :46.1 ± 7.0 dyne/cm
density :1.29 ± 0.1 g/cm3
polarizability :13.70 ± 0.5 10-24cm3
xlogp : 0.20
molecular weight : 129.1801800
formula :C5 H7 N O S
 
 
export tariff code :2934.10.0000
fda reg :unspecified
 

Suppliers :
Sigma-Aldrich-SAFC :2-Acetyl-2-thiazoline
 ≥96%
 
 

organoleptics :
odor type :corn chip
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
corn chip taco potato chip toasted bread nutty

properties :
appearence :dark yellow orange brown liquid to solid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.16000 - 1.17000 @ 25.00 °C.
pounds per gallon - calc. : 9.652 to 9.736
refractive index :1.52740 - 1.52840 @ 20.00 °C.
melting point : 26.00 - 30.00 °C. @ 760.00 mm Hg
boiling point : 222.00 - 223.00 °C. @ 760.00 mm Hg
logp : -0.89
shelf life : 24.00 month(s) or longer if stored properly.
storage :store in cool, dry place in tightly sealed containers, protected from heat and light.

safety :
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 198.00  °F.  TCC  ( 92.22 °C. )
  
recommendation for 2-acetyl-2-thiazoline usage levels up to :
  0.0500 % in the fragrance concentrate.
  
recommendation for 2-acetyl-2-thiazoline usage levels up to :
  5.0000 ppm in the flavor.
  

safety links :
msds :msds
  
chemidplus :029926418
epa-srs :29926-41-8
  

other :
  C of A     

references :
jecfa number :1759
fl. number :15.010
pubchem :746634
NIST Chemistry WebBook :8222021
  
synonyms :
2-acetyl-2-thiazoline
2-acetyl-4,5-dihydroxythiazole
 corn thiazoline
1-(4,5-dihydro-2-thiazolyl) ethanone
soluble in :
 alcohol
insoluble in :
 water
(odor and/or flavor) blends with :
 acetophenone
2-acetyl furan
2-acetyl pyrazine
2-acetyl-3-methyl pyrazine
(E)-aconitic acid
 allyl amyl glycolate
 ambroxan
isoamyl phenyl acetate
 amyris wood oil
 benzoin resinoid
 benzyl methyl sulfide
 benzyl salicylate
 caramel furanone
 cassia bark oil
 coconut naphthalenone
 coffee difuran
 currant bud absolute black
gamma-decalactone
2,5-diethyl-3-methyl pyrazine
2,5-dihydroxy-1,4-dithiane
6,8-dimethyl-2-nonanol
 ethyl vanillin
 fish thiol
 guaiacyl phenyl acetate
 heliotropin
 heliotropyl acetone
3,4-hexane dione
 immortelle absolute
 labdanum resinoid
 maltol
 meaty dithiane
 methyl cyclopentenolone
4-methyl nonanoic acid
2-methyl piperidine
2-methyl quinoxaline
5-methyl quinoxaline
2-methyl undecanal
2-methyl-3-tetrahydrofuran thiol
 nonanol
2,4-octadien-1-ol
 popcorn pyrimidine
 powdery ketone
isopropyl mercaptan
 santall
 tobacco dodecane
 tonka bean absolute
 vanilla absolute
 verymoss
 whiskey lactone
(odor and/or flavor) used in :
 acorn
 barley
 bread
 bread baked bread
 bread crisp bread
 bread crust
 bread rye bread
 bread wheat bread
 bread white bread
 cake
 chocolate cocoa
 coffee
 corn
 corn chip
 corn sweet corn
 gingerbread
 graham cracker
 meat
 nut
 nut almond
 nut cashew
 nut filbert
 nut hazelnut
 nut peanut
 nut pecan
 nut pistachio
 nut roasted
 nut sesame
 pizza
 popcorn
 seafood
 taco
 toasted
 tobacco tabac tabaco
 wheat
natural occurrence in :
beef
chicken
corn sweet corn



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