1-methyl-4,5-dihydro-3H-1,3-thiazole
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Identifiers
Molecular formula
C4H9NSSMILES
CS1=CNCC1
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Odor profile
Fragrance Roasted 46.94% Fishy 42.91% Meaty 42.8% Nutty 36.95% Garlic 35.44% Sulfurous 33.91% Cooked 32.89% Popcorn 31.59% Onion 28.59% Vegetable 27.36% Flavor Roasted 37.72% Amine 27.47% Ammoniacal 25.64% Shrimp 25.34% Bitter 25.11% Animal 24.34% Alkaline 23.99% Floral 23.73% Fishy 23.34% Taco 22.41% Odor impact est.
High -
Properties
XLogP3-AA
0.3pKa est.
6.32 (neutral)Molecular weight
103.19 g/molVapor pressure est.
- hPa @ 20°C
- hPa @ 25°C
Evaporation rate
Ultra slowBoiling point est.
317°CFlash point
- 139.91 ˚C est.
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Synonyms
- SCHEMBL5145576
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Applications
1-methyl-4,5-dihydro-3H-1,3-thiazole is a versatile building block in the synthesis of heterocyclic compounds containing thiazole rings, used as an intermediate in medicinal chemistry to access thiazole-containing drug candidates; in pharmaceutical and agrochemical research, it may be developed as a precursor for diverse heterocyclic actives; in fragrance and flavor applications, the thiazoline-containing framework can be explored as an odorant or aroma precursor; in cosmetics and personal care, it can serve as a building block for fragrance ingredients and functional additives; in materials science and industrial chemistry, it is studied as part of libraries of heterocyclic building blocks for polymers, coatings, or catalyst systems.
gpt-5-nano
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Solubility @25˚C
Solvent Solubility (g/L) ethanol 304.73 methanol 433.45 isopropanol 149.31 water 69.55 ethyl acetate 118.1 n-propanol 215.34 acetone 182.36 n-butanol 205.83 acetonitrile 145.71 DMF 253.07 toluene 37.64 isobutanol 118.99 1,4-dioxane 179.17 methyl acetate 119.19 THF 317.45 2-butanone 126.16 n-pentanol 112.83 sec-butanol 121.91 n-hexane 6.74 ethylene glycol 180.63 NMP 252.1 cyclohexane 15.95 DMSO 250.31 n-butyl acetate 138.75 n-octanol 75.1 chloroform 335.14 n-propyl acetate 74.64 acetic acid 531.38 dichloromethane 179.57 cyclohexanone 179.32 propylene glycol 173.0 isopropyl acetate 63.29 DMAc 199.99 2-ethoxyethanol 209.51 isopentanol 119.88 n-heptane 18.22 ethyl formate 147.27 1,2-dichloroethane 86.87 n-hexanol 171.69 2-methoxyethanol 390.37 isobutyl acetate 46.56 tetrachloromethane 80.15 n-pentyl acetate 81.52 transcutol 384.11 n-heptanol 107.9 ethylbenzene 12.94 MIBK 57.14 2-propoxyethanol 284.68 tert-butanol 119.34 MTBE 56.7 2-butoxyethanol 197.56 propionic acid 249.98 o-xylene 27.63 formic acid 384.17 diethyl ether 73.41 m-xylene 31.21 p-xylene 18.55 chlorobenzene 69.94 dimethyl carbonate 55.89 n-octane 6.7 formamide 349.04 cyclopentanone 253.39 2-pentanone 109.96 anisole 46.76 cyclopentyl methyl ether 129.4 gamma-butyrolactone 290.52 1-methoxy-2-propanol 243.51 pyridine 168.07 3-pentanone 75.75 furfural 292.02 n-dodecane 5.24 diethylene glycol 276.58 diisopropyl ether 22.6 tert-amyl alcohol 103.05 acetylacetone 103.91 n-hexadecane 5.49 acetophenone 56.0 methyl propionate 100.79 isopentyl acetate 85.11 trichloroethylene 221.06 n-nonanol 67.2 cyclohexanol 118.98 benzyl alcohol 79.43 2-ethylhexanol 88.06 isooctanol 68.68 dipropyl ether 70.31 1,2-dichlorobenzene 65.09 ethyl lactate 64.64 propylene carbonate 157.51 n-methylformamide 262.43 2-pentanol 99.72 n-pentane 12.59 1-propoxy-2-propanol 223.46 1-methoxy-2-propyl acetate 113.76 2-(2-methoxypropoxy) propanol 102.13 mesitylene 19.77 ε-caprolactone 155.92 p-cymene 27.91 epichlorohydrin 205.95 1,1,1-trichloroethane 96.84 2-aminoethanol 255.24 morpholine-4-carbaldehyde 229.28 sulfolane 249.84 2,2,4-trimethylpentane 7.02 2-methyltetrahydrofuran 173.2 n-hexyl acetate 77.76 isooctane 5.52 2-(2-butoxyethoxy)ethanol 170.32 sec-butyl acetate 39.3 tert-butyl acetate 58.29 decalin 6.17 glycerin 297.79 diglyme 267.8 acrylic acid 259.64 isopropyl myristate 27.9 n-butyric acid 308.27 acetyl acetate 86.22 di(2-ethylhexyl) phthalate 42.89 ethyl propionate 53.41 nitromethane 395.87 1,2-diethoxyethane 98.67 benzonitrile 85.35 trioctyl phosphate 33.05 1-bromopropane 50.25 gamma-valerolactone 286.08 n-decanol 49.39 triethyl phosphate 39.07 4-methyl-2-pentanol 52.84 propionitrile 111.03 vinylene carbonate 162.51 1,1,2-trichlorotrifluoroethane 271.28 DMS 47.95 cumene 12.53 2-octanol 52.21 2-hexanone 67.13 octyl acetate 47.0 limonene 42.52 1,2-dimethoxyethane 153.05 ethyl orthosilicate 39.43 tributyl phosphate 34.49 diacetone alcohol 106.44 N,N-dimethylaniline 35.09 acrylonitrile 151.78 aniline 115.52 1,3-propanediol 276.77 bromobenzene 53.17 dibromomethane 116.35 1,1,2,2-tetrachloroethane 180.88 2-methyl-cyclohexyl acetate 60.86 tetrabutyl urea 45.91 diisobutyl methanol 38.77 2-phenylethanol 103.39 styrene 18.06 dioctyl adipate 43.57 dimethyl sulfate 80.53 ethyl butyrate 81.61 methyl lactate 103.84 butyl lactate 87.63 diethyl carbonate 52.22 propanediol butyl ether 150.66 triethyl orthoformate 67.86 p-tert-butyltoluene 26.97 methyl 4-tert-butylbenzoate 72.56 morpholine 230.97 tert-butylamine 69.99 n-dodecanol 37.1 dimethoxymethane 138.97 ethylene carbonate 128.12 cyrene 98.96 2-ethoxyethyl acetate 100.77 2-ethylhexyl acetate 71.08 1,2,4-trichlorobenzene 80.27 4-methylpyridine 112.14 dibutyl ether 45.9 2,6-dimethyl-4-heptanol 38.77 DEF 116.27 dimethyl isosorbide 137.28 tetrachloroethylene 154.93 eugenol 92.36 triacetin 80.47 span 80 116.52 1,4-butanediol 120.24 1,1-dichloroethane 98.72 2-methyl-1-pentanol 68.94 methyl formate 170.55 2-methyl-1-butanol 118.23 n-decane 8.62 butyronitrile 121.16 3,7-dimethyl-1-octanol 55.15 1-chlorooctane 27.67 1-chlorotetradecane 11.41 n-nonane 7.91 undecane 6.37 tert-butylcyclohexane 5.87 cyclooctane 7.4 cyclopentanol 156.59 tetrahydropyran 138.39 tert-amyl methyl ether 48.19 2,5,8-trioxanonane 181.06 1-hexene 20.14 2-isopropoxyethanol 121.6 2,2,2-trifluoroethanol 255.49 methyl butyrate 73.39 Scent© AI
| Maximum acceptable concentrations in the finished product (%) | |||
|---|---|---|---|
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Category 1
Products applied to the lips
|
No restriction |
Category 7A
Rinse-off products applied to the hair with some hand contact
|
No restriction |
|
Category 2
Products applied to the axillae
|
No restriction |
Category 7B
Leave-on products applied to the hair with some hand contact
|
No restriction |
|
Category 3
Products applied to the face/body using fingertips
|
No restriction |
Category 8
Products with significant anogenital exposure
|
No restriction |
|
Category 4
Products related to fine fragrance
|
No restriction |
Category 9
Products with body and hand exposure, primarily rinse off
|
No restriction |
|
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
|
No restriction |
Category 10A
Household care products with mostly hand contact
|
No restriction |
|
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
|
No restriction |
Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
|
No restriction |
|
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
|
No restriction |
Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
|
No restriction |
|
Category 5D
Baby Creams, baby Oils and baby talc
|
No restriction |
Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
|
No restriction |
|
Category 6
Products with oral and lip exposure
|
No restriction |
Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
|
No restriction |