4-Isobutyl-5-Methoxythiazole
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Identifiers
Molecular formula
C8H13NOSSMILES
CC(C)CC1=C(SC=N1)OC
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Odor profile
Fragrance Green 91.7% Vegetable 66.5% Earthy 48.02% Leafy 42.6% Nutty 42.6% Roasted 32.06% Tomato 31.25% Herbal 29.76% Fruity 28.98% Tropical 28.55% Flavor Green 84.18% Earthy 51.7% Pepper 45.03% Earth 40.43% Pea 38.03% Vegetable 36.12% Herbal 32.58% Galbanum 31.23% Metallic 30.09% Raw 29.35% Odor impact est.
High -
Properties
XLogP3-AA
2.9pKa est.
7.12 (neutral)Molecular weight
171.26 g/molVapor pressure est.
- hPa @ 20°C
- hPa @ 25°C
Evaporation rate
SlowBoiling point est.
261°CFlash point
- 82.56 ˚C est.
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Synonyms
- 4-Isobutyl-5-Methoxythiazole
- SCHEMBL11577877
- Thiazole, 4-isobutyl-5-methoxy
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Applications
4-Isobutyl-5-Methoxythiazole is a thiazole derivative with a distinctive fragrance and is commonly considered a fragrance ingredient. In practical use, it may serve as an odorant in perfumery, as a fragrance component in cosmetics and personal care products, as an aroma additive in flavor formulations when permitted, and as a fragrance or odorant additive in household products and cleaning agents; it can also be used as a functional intermediate or fragrance-related modifier in coatings, inks, and some polymer formulations, subject to processing conditions and local regulations.
gpt-5-nano
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Solubility @25˚C
Solvent Solubility (g/L) ethanol 149.78 methanol 120.67 isopropanol 145.57 water 0.57 ethyl acetate 136.96 n-propanol 151.78 acetone 277.12 n-butanol 146.78 acetonitrile 152.7 DMF 490.45 toluene 185.37 isobutanol 137.55 1,4-dioxane 310.99 methyl acetate 185.3 THF 521.48 2-butanone 234.61 n-pentanol 124.14 sec-butanol 152.95 n-hexane 11.46 ethylene glycol 57.04 NMP 401.95 cyclohexane 48.93 DMSO 415.97 n-butyl acetate 182.64 n-octanol 109.34 chloroform 921.04 n-propyl acetate 132.69 acetic acid 218.4 dichloromethane 755.31 cyclohexanone 437.59 propylene glycol 94.11 isopropyl acetate 90.05 DMAc 312.85 2-ethoxyethanol 166.47 isopentanol 119.61 n-heptane 21.04 ethyl formate 174.78 1,2-dichloroethane 375.25 n-hexanol 174.91 2-methoxyethanol 241.91 isobutyl acetate 101.95 tetrachloromethane 151.72 n-pentyl acetate 127.98 transcutol 292.77 n-heptanol 106.77 ethylbenzene 101.49 MIBK 104.72 2-propoxyethanol 235.39 tert-butanol 168.36 MTBE 122.95 2-butoxyethanol 157.96 propionic acid 159.15 o-xylene 131.48 formic acid 46.89 diethyl ether 88.26 m-xylene 123.9 p-xylene 152.53 chlorobenzene 300.17 dimethyl carbonate 78.93 n-octane 14.73 formamide 74.03 cyclopentanone 484.38 2-pentanone 159.89 anisole 177.11 cyclopentyl methyl ether 185.84 gamma-butyrolactone 455.35 1-methoxy-2-propanol 192.24 pyridine 427.31 3-pentanone 126.28 furfural 503.11 n-dodecane 16.82 diethylene glycol 176.56 diisopropyl ether 36.08 tert-amyl alcohol 152.95 acetylacetone 189.66 n-hexadecane 19.56 acetophenone 197.82 methyl propionate 136.24 isopentyl acetate 165.98 trichloroethylene 879.37 n-nonanol 98.36 cyclohexanol 213.69 benzyl alcohol 198.15 2-ethylhexanol 117.84 isooctanol 89.15 dipropyl ether 84.55 1,2-dichlorobenzene 272.19 ethyl lactate 100.58 propylene carbonate 317.15 n-methylformamide 176.42 2-pentanol 96.5 n-pentane 14.36 1-propoxy-2-propanol 173.83 1-methoxy-2-propyl acetate 161.97 2-(2-methoxypropoxy) propanol 149.86 mesitylene 75.28 ε-caprolactone 314.2 p-cymene 93.54 epichlorohydrin 485.85 1,1,1-trichloroethane 436.01 2-aminoethanol 97.02 morpholine-4-carbaldehyde 383.15 sulfolane 530.1 2,2,4-trimethylpentane 16.4 2-methyltetrahydrofuran 310.55 n-hexyl acetate 168.14 isooctane 11.4 2-(2-butoxyethoxy)ethanol 183.77 sec-butyl acetate 85.19 tert-butyl acetate 107.63 decalin 29.54 glycerin 119.05 diglyme 307.53 acrylic acid 160.59 isopropyl myristate 82.36 n-butyric acid 205.51 acetyl acetate 112.02 di(2-ethylhexyl) phthalate 103.16 ethyl propionate 97.16 nitromethane 293.05 1,2-diethoxyethane 132.13 benzonitrile 298.95 trioctyl phosphate 75.76 1-bromopropane 193.58 gamma-valerolactone 495.58 n-decanol 81.18 triethyl phosphate 84.9 4-methyl-2-pentanol 61.24 propionitrile 155.06 vinylene carbonate 320.93 1,1,2-trichlorotrifluoroethane 369.25 DMS 132.67 cumene 74.94 2-octanol 85.75 2-hexanone 151.33 octyl acetate 109.7 limonene 123.85 1,2-dimethoxyethane 272.81 ethyl orthosilicate 78.52 tributyl phosphate 79.72 diacetone alcohol 151.62 N,N-dimethylaniline 127.3 acrylonitrile 218.14 aniline 199.21 1,3-propanediol 136.36 bromobenzene 332.77 dibromomethane 500.16 1,1,2,2-tetrachloroethane 654.86 2-methyl-cyclohexyl acetate 152.18 tetrabutyl urea 112.23 diisobutyl methanol 70.16 2-phenylethanol 201.51 styrene 135.97 dioctyl adipate 120.8 dimethyl sulfate 141.3 ethyl butyrate 127.87 methyl lactate 107.21 butyl lactate 122.07 diethyl carbonate 105.91 propanediol butyl ether 167.5 triethyl orthoformate 100.06 p-tert-butyltoluene 90.22 methyl 4-tert-butylbenzoate 170.47 morpholine 338.71 tert-butylamine 106.16 n-dodecanol 68.44 dimethoxymethane 189.74 ethylene carbonate 232.31 cyrene 201.4 2-ethoxyethyl acetate 154.56 2-ethylhexyl acetate 140.71 1,2,4-trichlorobenzene 344.78 4-methylpyridine 372.17 dibutyl ether 87.17 2,6-dimethyl-4-heptanol 70.16 DEF 175.06 dimethyl isosorbide 265.97 tetrachloroethylene 412.72 eugenol 178.71 triacetin 170.02 span 80 164.61 1,4-butanediol 87.51 1,1-dichloroethane 407.06 2-methyl-1-pentanol 118.58 methyl formate 173.1 2-methyl-1-butanol 127.89 n-decane 23.59 butyronitrile 183.89 3,7-dimethyl-1-octanol 101.37 1-chlorooctane 87.19 1-chlorotetradecane 45.52 n-nonane 21.5 undecane 19.57 tert-butylcyclohexane 25.82 cyclooctane 16.62 cyclopentanol 229.55 tetrahydropyran 299.06 tert-amyl methyl ether 101.19 2,5,8-trioxanonane 232.52 1-hexene 53.39 2-isopropoxyethanol 128.1 2,2,2-trifluoroethanol 85.5 methyl butyrate 150.95 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 |