4,5-dimethyl-2-ethyl-3-thiazoline
 
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IUPAC name :2-ethyl-4,5-dimethyl-2,5-dihydro-1,3-thiazole
InChI :InChI=1/C7H13NS/c1-4-7-8-5(2)6(3)9-7/h6-7H,4H2,1-3H3
InChIKey :CSACPVARWHDAET-UHFFFAOYAF
SMILES :CCC1N=C(C(S1)C)C
(EINECS) number :278-551-3
cas number :76788-46-0
beilstein number :0108717
fema number :3620
jecfa number :1058
fl. number :15.030
molar refractivity :42.56 ± 0.5 cm3
parachor :316.5 ± 8.0 cm3
index of refraction :1.552 ± 0.05
surface tension :32.0 ± 7.0 dyne/cm
density :1.07 ± 0.1 g/cm3
polarizability :16.87 ± 0.5 10-24cm3
xlogp : 1.40
molecular weight : 143.2498200
formula :C7 H13 N S
 
 
export tariff code :2934.10.0000
fda reg :unspecified
 

Suppliers :
International Flavors & Fragrances :4,5-Dimethyl-2-ethyl-3-thiazoline
≥99.00%, Kosher
Sigma-Aldrich-SAFC :4,5-Dimethyl-2-ethyl-3-thiazoline
97%, mixture of isomers
Treatt :2-Ethyl-4,5-dimethylthiazoline

organoleptics :
odor type :nutty
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
meat nut musty sulfury coffee chocolate raw vegetable

properties :
appearence :colorless to pale yellow clear liquid
assay : 97.00 to 100.00 %   
Food Chemicals Codex Listed :No
refractive index :1.49000 to 1.49800 @ 20.00 °C.
boiling point : 198.00 to 200.00 °C. @ 760.00 mm Hg
logp : 3.07
shelf life : 12.00 month(s) or longer if stored properly.
storage :store in cool, dry place in tightly sealed containers, protected from heat and light.

safety :
Oral Toxicity(LD50) : Gavage-Mouse   [sex: M,F]  1265.00  mg/kg    (Moran et al., 1980)
Dermal Toxicity(LD50) : Not determined
Maximised Survey-derived Daily Intakes (MSDI-EU) :ND (μg/capita/day)
flash point ( Deg. F. ) : 150.00  °F.  TCC  ( 65.56 °C. )
recommendation for 4,5-dimethyl-2-ethyl-3-thiazoline usage levels up to :
 not for fragrance use.
recommendation for 4,5-dimethyl-2-ethyl-3-thiazoline usage levels up to :
  10.0000 ppm in the flavor.

safety links :
 
 
(EINECS) number :278-551-3
RTECS :XJ6642500 for 76788-46-0
chemidplus :076788460
EPA Substance Registry Services :76788-46-0
NLM Chemical Carcinogenesis Research Information System :76788-46-0
NLM Developmental and Reproductive Toxicity :76788-46-0
NLM Env. Mutagen Info. Center :76788-46-0
NLM GENetic TOXicology :76788-46-0
EPI System :view

other :

references :
jecfa number :1058
fl. number :15.030
pubchem :199532
synonyms :
4,5-dimethyl-2-ethyl-3-thiazoline
2-ethyl-2,5-dihydro-4,5-dimethyl thiazole
2-ethyl-4,5-dimethyl thiazoline
2-ethyl-4,5-dimethyl-3-thiazoline

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetyl acetaldehyde dimethyl acetal
2-acetyl furan
 acetyl propionyl
2-acetyl pyrazine
3-acetyl pyridine
2-acetyl pyrrole
 acetyl pyrroline
2-acetyl thiazole
2-acetyl-2-thiazoline
5-acetyl-2,3-dihydro-1,4-thiazine
3-acetyl-2,5-dimethyl furan
2-acetyl-3-ethyl pyrazine
2-acetyl-3-methyl pyrazine
2-acetyl-3,5-dimethyl pyrazine
2-acetyl-5-methyl furan
 allyl 2-ethyl butyrate
 amyl cinnamate
isoamyl cinnamate
isoamyl nonanoate
isoamyl phenyl acetate
alpha-angelica lactone
 benzothiazole
 benzyl mercaptan
 bornyl isobutyrate
 boronia butenal
 butyl 2-methyl butyrate
 butyl cinnamate
 butyl mercaptan
2-isobutyl-3,(5 and 6)-dimethyl pyrazine
2(4)-isobutyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
 butyraldehyde
 butyramide
 caramel furanone
 chocolate pyrazine A
 cocoa butenal
 cocoa hexenal
 cocoa oleoresin
 cocoa pentenal
 cocoa propanal
 cocoa pyrazine
3,6-cocoa pyrazine
 coconut absolute
 coffee difuran
 coffee dione
 coffee pyrazine
 coumane
para-cresyl laurate
 cyclohexyl methyl pyrazine
 dicyclohexyl disulfide
2,5-diethyl thiazole
3,5-diethyl-2-methyl pyrazine
2,5-diethyl-3-methyl pyrazine
2,5-diethyl-4-methyl thiazole
 difurfuryl ether
 difurfuryl sulfide
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
 diisoamyl thiomalate
 dimethyl dihydrocyclopentapyrazine
2,3-dimethyl pyrazine
2,5-dimethyl pyrazine
2,6-dimethyl pyrazine
2,6-dimethyl pyridine
2,4-dimethyl thiazole
2,5-dimethyl thiazole
4,5-dimethyl thiazole
2,5-dimethyl thiophene
4,5-dimethyl-2-ethyl thiazole
2,5-dimethyl-3-thiofuroyl furan
2,4-dimethyl-5-vinyl thiazole
 ethyl 2-hydroxy-2-methyl butyrate
 ethyl 3-(furfuryl thio) propionate
2-ethyl butyraldehyde
 ethyl methyl sulfide
 ethyl phenyl acetate
2-ethyl pyrazine
S-ethyl thioacetate
1-ethyl-2-acetyl pyrrole
5-ethyl-2-methyl pyridine
2-ethyl-3-methoxypyrazine
2-ethyl-3,5(6)-dimethyl pyrazine mixture
2-ethyl-4-butanol
2-ethyl-4-methyl thiazole
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazoline
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazoline
 fenugreek oleoresin
 fenugreek resinoid
 filbert heptenone
 filbert pyrazine
 furfuryl alcohol
 furfuryl isopropyl sulfide
 furfuryl mercaptan
 furfuryl methyl ether
 furfuryl propionate
1-furfuryl pyrrole
 furfuryl thioacetate
S-furfuryl thioformate
 furfuryl thiopropionate
3-(2-furyl) acrolein
laevo-glutamine
 hazelnut notes
 hazelnut oleoresin
 hazelnut pyrazine
(E,E)-2,4-heptadien-1-ol
gamma-heptalactone
2-heptyl furan
2,4-hexadien-1-ol
3,4-hexane dione
2-hexyl-5 or 6-keto-1,4-dioxane
1-hydroxy-2-butanone
4-hydroxybenzoic acid
 maraniol
 menthofuran
2-methoxypyrazine
2-methyl 3-(methyl thio) furan 10% in triacetin
2-methyl 5-(methyl thio) furan
2-methyl anisole
para-methyl anisole
2-methyl butyraldehyde
 methyl cyclopentenolone
 methyl ethoxypyrazine
 methyl furfuryl disulfide
2-methyl pyrazine
2-methyl quinoxaline
5-methyl quinoxaline
4-methyl thiazole
2-methyl thio-3,5 or 6-methyl pyrazine
2-(methyl thio) acetaldehyde
 methyl valerate
3-methyl-2-buten-1-al
2-methyl-3-,5 or 6-(furfuryl thio) pyrazine
2-methyl-3-(methyl thio) pyrazine
2-methyl-3-propyl pyrazine
2-methyl-3,(5 or 6)-ethoxypyrazine
2-methyl-5-isopropyl pyrazine
(E,E)-2,4-nonadien-1-al
 nutty cyclohexenone
 nutty quinoxaline
 nutty thiazole
 peanut dithiazine
 peanut oxazole
 phenethyl octanoate
 phenyl acetaldehyde
2-propionyl thiazole
2-propionyl-2-thiazoline
 propyl benzoate
isopropyl formate
isopropyl pyrazine
2-propyl pyridine
 saffron pyranone
 sandalwood oil
 shoyu pyrazine
 sulfuryl butyrate
 sulfuryl decanoate
 sulfuryl formate
 sulfuryl hexanoate
 sulfuryl isobutyrate
 sulfuryl octanoate
 sulfuryl propionate
2,3,5,6-tetramethyl pyrazine
2-thienyl mercaptan
2-thiophene thiol
(E)-tiglic aldehyde
 tobacco butenal
 tonka bean absolute
 tonka bean resinoid
2,3,5-trimethyl pyrazine
2,4,5-trimethyl thiazole
 valeraldehyde
 valeraldehyde dibutyl acetal
 valeraldehyde propylene glycol acetal
gamma-valerolactone
2-vinyl pyrazine
 vinyl sulfurol
 whiskey lactone
2,6-xylenol

(odor and/or flavor) used in :
 chocolate cacao
 chocolate cocoa
 coffee
 meat grilled meat
 milk
 nut
 peach
 potato

natural occurrence in :
not found in nature



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