2,4-dimethyl-5-vinyl thiazole
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IUPAC name :5-ethenyl-2,4-dimethyl-1,3-thiazole
InChI :InChI=1/C7H9NS/c1-4-7-5(2)8-6(3)9-7/h4H,1H2,2-3H3
InChIKey :MLBCDQHOBLVBQD-UHFFFAOYAE
SMILES :CC1=C(SC(=N1)C)C=C
cas number :65505-18-2
fema number :3145
coe number :2237
jecfa number :1039
fl. number :15.005
molar refractivity :43.30 ± 0.3 cm3
parachor :324.8 ± 4.0 cm3
index of refraction :1.577 ± 0.02
surface tension :38.2 ± 3.0 dyne/cm
density :1.065 ± 0.06 g/cm3
polarizability :17.16 ± 0.5 10-24cm3
XlogP : 1.10
molecular weight : 139.2180600 (IUPAC)
formula :C7 H9 N S
NMR Predictor :Predict
 
 
export tariff code :2934.10.0000
fda reg :unspecified

Suppliers :
Need This Molecule?:You can contact the Chemical Sources Association and ask the Sourceress.

organoleptics :
odor type :nutty
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description:
at 0.10 % in dipropylene glycol.  
nutty cocoa
taste description:
nut

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.05000 to 1.05600 @ 25.00 °C.
pounds per gallon - calc. : 8.737 to 8.787
refractive index :1.56000 to 1.56500 @ 20.00 °C.
boiling point : 183.00 to 184.00 °C. @ 760.00 mm Hg
flash point : 167.00  °F.  TCC  ( 75.00 °C. )
logP (o/w) : 2.04

safety :
Oral Toxicity(LD50) : 
  Oral-Mouse   [sex: M,F]  400-800  mg/kg
(Moran et al., 1980)

Dermal Toxicity(LD50) : 
  Not determined
Inhalation Toxicity(LC50) : 
  Not determined
 

safety in use :
Category :flavoring agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :ND (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :0.007 (μg/capita/day)
 
recommendation for 2,4-dimethyl-5-vinyl thiazole fragrance usage levels up to :
 not for fragrance use.
recommendation for 2,4-dimethyl-5-vinyl thiazole flavor usage levels up to :
  0.5000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
 
 
 
 
5-ethenyl-2,4-dimethyl-1,3-thiazole
chemidplus :065505182
EPA Substance Registry Services :65505-18-2

references :
 
5-ethenyl-2,4-dimethyl-1,3-thiazole
fl. number :15.005
jecfa number :1039
pubchem :198972

other :
VCF-Online: VCF Volatile Compounds in Food
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
5-ethenyl-2,4-dimethyl thiazole
5-ethenyl-2,4-dimethyl-1,3-thiazole

soluble in :
 alcohol

insoluble in :
 water

potential blenders :    note
 acetyl acetaldehyde dimethyl acetalFL
2-acetyl furanFL/FR
 acetyl propionylFL/FR
2-acetyl pyrazineFL/FR
3-acetyl pyridineFL/FR
2-acetyl pyrroleFL/FR
 acetyl pyrrolineFL
2-acetyl thiazoleFL/FR
2-acetyl-2-thiazolineFL
5-acetyl-2,3-dihydro-1,4-thiazineFL
3-acetyl-2,5-dimethyl furanFL/FR
2-acetyl-3-ethyl pyrazineFL
2-acetyl-3-methyl pyrazineFL/FR
2-acetyl-3,5-dimethyl pyrazineFL/FR
2-acetyl-5-methyl furanFL/FR
 allyl 2-ethyl butyrateFL
 amyl cinnamateFL/FR
isoamyl cinnamateFL/FR
isoamyl nonanoateFL/FR
 amyl phenyl acetateFL/FR
isoamyl phenyl acetateFL/FR
alpha-angelica lactoneFL/FR
 benzothiazoleFL
 bornyl isobutyrateFL/FR
 boronia butenalFR
 butyl 2-methyl butyrateFL/FR
 butyl cinnamateFL/FR
2-isobutyl-3,(5 and 6)-dimethyl pyrazineFL/FR
2(4)-isobutyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazineFL
 butyraldehydeFL
 butyramideFL
 butyroinFL
 chocolate pyrazine AFL/FR
 chocolate pyrazine BFL
 cocoa butenalFL/FR
 cocoa hexenalFL/FR
 cocoa oleoresinFL
 cocoa pentenalFL/FR
 cocoa propanalFL
 cocoa pyrazineFL/FR
3,6-cocoa pyrazineFL
 coconut absoluteFL/FR
 coffee furanoneFL
 coumaneFL/FR
 coumarinFR
para-cresyl laurateFL/FR
 cyclohexyl methyl pyrazineFL
(E,E)-2,4-decadien-1-alFL
2,5-diethyl thiazoleFL
3,5-diethyl-2-methyl pyrazineFL
2,5-diethyl-3-methyl pyrazineFL
2,5-diethyl-4-methyl thiazoleFL
 difurfuryl etherFL
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazineFL
 dihydroxyacetophenoneFL
 dimethyl dihydrocyclopentapyrazineFL
2,3-dimethyl pyrazineFL/FR
2,5-dimethyl pyrazineFL/FR
2,6-dimethyl pyrazineFL/FR
2,6-dimethyl pyridineFL
2,5-dimethyl thiazoleFL
4,5-dimethyl thiazoleFL
2,5-dimethyl thiopheneFL
4,5-dimethyl-2-ethyl thiazoleFL
4,5-dimethyl-2-ethyl-3-thiazolineFL
2-ethoxythiazoleFL
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
2-ethyl butyraldehydeFL
 ethyl phenyl acetateFL/FR
2-ethyl pyrazineFL/FR
1-ethyl-2-acetyl pyrroleFL
5-ethyl-2-methyl pyridineFL
2-ethyl-3-methoxypyrazineFL/FR
2-ethyl-4-butanolFL/FR
2-ethyl-4-methyl thiazoleFL/FR
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazolineFL
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazolineFL
 fenugreek oleoresinFL
 fenugreek resinoidFL/FR
 filbert heptenoneFL/FR
 filbert pyrazineFL
 furfuryl thioacetateFL
3-(2-furyl) acroleinFL
laevo-glutamineCS
 hazelnut oleoresinFL
 hazelnut pyrazineFL/FR
(E,E)-2,4-heptadien-1-olFL
gamma-heptalactoneFL/FR
2-heptyl furanFL
2,4-hexadien-1-olFL
3,4-hexane dioneFL/FR
2-hexyl-5 or 6-keto-1,4-dioxaneFL
4-hydroxybenzoic acidFL
 maraniolCS
 menthofuranFL/FR
2-methoxypyrazineFL/FR
 methyl 2-(methyl thio) acetateFL
2'-methyl acetophenoneFL/FR
2-methyl anisoleFL/FR
para-methyl anisoleFL/FR
2-methyl butyraldehydeFL
 methyl ethoxypyrazineFL
2-methyl pyrazineFL/FR
2-methyl quinoxalineFL
5-methyl quinoxalineFL/FR
4-methyl thiazoleFL
2-methyl thio-3,5 or 6-methyl pyrazineFL/FR
2-(methyl thio) acetaldehydeFL
 methyl valerateFL/FR
3-methyl-2-buten-1-alFL/FR
2-methyl-3-(methyl thio) pyrazineFL/FR
2-methyl-3-propyl pyrazineFL/FR
2-methyl-3,(5 or 6)-ethoxypyrazineFL
2-methyl-5-isopropyl pyrazineFL
(E,E)-2,4-nonadien-1-alFL
(E,Z)-2,6-nonadien-1-yl acetateFL/FR
 nutty cyclohexenoneFL/FR
 nutty quinoxalineFL/FR
 nutty thiazoleFL
 peanut dithiazineFL
 peanut oxazoleFL
 phenethyl octanoateFL/FR
 phenyl acetaldehydeFL/FR
 popcorn pyrimidineFL/FR
 propionaldehydeFL
2-propionyl thiazoleFL
2-propionyl-2-thiazolineFL
 propyl benzoateFL/FR
isopropyl formateFL/FR
isopropyl pyrazineFL
2-propyl pyridineFL
 saffron pyranoneFR
 shoyu pyrazineFL/FR
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl formateFL
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl octanoateFL/FR
 sulfuryl propionateFL/FR
2,3,5,6-tetramethyl pyrazineFL
 tobacco butenalFR
 tonka bean absoluteFR
 tonka bean resinoidFR
2,4,5-trimethyl oxazoleFL
2,3,5-trimethyl pyrazineFL
2,4,5-trimethyl thiazoleFL/FR
 tropical thiazoleFL/FR
 valeraldehydeFL/FR
 valeraldehyde dibutyl acetalFL/FR
 valeraldehyde propylene glycol acetalFL/FR
gamma-valerolactoneFL/FR
2-vinyl pyrazineFL
 vinyl sulfurolFL
 whiskey lactoneFL/FR

potential uses :
 chocolate cocoa
 nut

natural occurrence in :    note
 beef cooked beef  

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