(2S,5S)-2,4,5-trimethyl-2,5-dihydro-1,3-oxazol-3-ium
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Identifiers
Molecular formula
C6H12NO+SMILES
C[C@H]1C(=[NH+][C@@H](O1)C)C
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Odor profile
Fragrance Nutty 69.08% Woody 63.8% Vegetable 54.87% Musty 52.85% Roasted 50.96% Cocoa 47.52% Earthy 47.4% Green 44.68% Caramellic 44.29% Burnt 39.87% Flavor Green 53.34% Nutty 43.46% Musty 36.56% Caramel 35.25% Earthy 30.71% Woody 28.48% Wood 27.94% Roasted 27.77% Vegetable 27.71% Minty 27.22% Odor impact est.
High -
Properties
XLogP3-AA
0.5pKa est.
9.61 (weak base)Molecular weight
114.17 g/molFlash point
- 32.83 ˚C est.
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Applications
The compound (2S,5S)-2,4,5-trimethyl-2,5-dihydro-1,3-oxazol-3-ium is primarily used as an organic synthesis intermediate and a chiral building block for fine chemicals and pharmaceutical synthesis; it is commonly evaluated as a precursor for chiral ligands or catalysts in asymmetric transformations; it can serve as a component or precursor in ionic liquids or specialty solvents for polymer and materials processing; it may function as a cationic monomer or functional additive in coatings and inks to modify surface and mechanical properties; and it is often encountered as a reactive intermediate to introduce oxazole motifs in pharmaceutical and agrochemical research. CAS number:
gpt-5-nano
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Solubility @25˚C
Solvent Solubility (g/L) ethanol 2380.48 methanol 3842.94 isopropanol 1394.31 water 1064.45 ethyl acetate 439.95 n-propanol 1454.36 acetone 648.39 n-butanol 1160.97 acetonitrile 827.08 DMF 847.82 toluene 210.02 isobutanol 979.85 1,4-dioxane 661.0 methyl acetate 456.7 THF 941.83 2-butanone 497.1 n-pentanol 666.02 sec-butanol 1090.75 n-hexane 73.06 ethylene glycol 853.94 NMP 823.5 cyclohexane 73.18 DMSO 658.58 n-butyl acetate 185.41 n-octanol 210.74 chloroform 1683.58 n-propyl acetate 156.28 acetic acid 1862.06 dichloromethane 1446.19 cyclohexanone 478.9 propylene glycol 824.38 isopropyl acetate 219.56 DMAc 767.87 2-ethoxyethanol 852.08 isopentanol 726.87 n-heptane 41.5 ethyl formate 434.13 1,2-dichloroethane 541.2 n-hexanol 462.26 2-methoxyethanol 1577.35 isobutyl acetate 108.94 tetrachloromethane 375.15 n-pentyl acetate 172.83 transcutol 897.13 n-heptanol 230.36 ethylbenzene 69.09 MIBK 177.48 2-propoxyethanol 699.14 tert-butanol 924.2 MTBE 473.63 2-butoxyethanol 396.06 propionic acid 844.06 o-xylene 126.57 formic acid 1893.51 diethyl ether 546.46 m-xylene 115.91 p-xylene 100.54 chlorobenzene 279.02 dimethyl carbonate 112.23 n-octane 18.95 formamide 1478.69 cyclopentanone 570.54 2-pentanone 343.32 anisole 172.65 cyclopentyl methyl ether 378.81 gamma-butyrolactone 693.83 1-methoxy-2-propanol 891.43 pyridine 543.86 3-pentanone 260.75 furfural 660.06 n-dodecane 15.0 diethylene glycol 643.95 diisopropyl ether 107.02 tert-amyl alcohol 803.55 acetylacetone 255.18 n-hexadecane 15.92 acetophenone 141.15 methyl propionate 325.95 isopentyl acetate 153.13 trichloroethylene 841.77 n-nonanol 174.79 cyclohexanol 571.23 benzyl alcohol 258.75 2-ethylhexanol 189.17 isooctanol 162.18 dipropyl ether 147.72 1,2-dichlorobenzene 200.66 ethyl lactate 120.75 propylene carbonate 323.55 n-methylformamide 925.09 2-pentanol 612.23 n-pentane 109.55 1-propoxy-2-propanol 372.54 1-methoxy-2-propyl acetate 174.53 2-(2-methoxypropoxy) propanol 214.38 mesitylene 59.26 ε-caprolactone 431.61 p-cymene 57.08 epichlorohydrin 713.17 1,1,1-trichloroethane 511.65 2-aminoethanol 1412.38 morpholine-4-carbaldehyde 670.49 sulfolane 516.24 2,2,4-trimethylpentane 50.06 2-methyltetrahydrofuran 752.63 n-hexyl acetate 228.29 isooctane 24.99 2-(2-butoxyethoxy)ethanol 311.08 sec-butyl acetate 115.92 tert-butyl acetate 169.84 decalin 30.21 glycerin 898.05 diglyme 502.7 acrylic acid 739.13 isopropyl myristate 70.4 n-butyric acid 873.31 acetyl acetate 250.04 di(2-ethylhexyl) phthalate 88.66 ethyl propionate 134.5 nitromethane 1224.84 1,2-diethoxyethane 244.19 benzonitrile 267.02 trioctyl phosphate 61.74 1-bromopropane 455.82 gamma-valerolactone 713.52 n-decanol 117.04 triethyl phosphate 66.47 4-methyl-2-pentanol 252.3 propionitrile 536.51 vinylene carbonate 319.53 1,1,2-trichlorotrifluoroethane 644.56 DMS 119.14 cumene 59.96 2-octanol 143.53 2-hexanone 185.01 octyl acetate 105.13 limonene 89.11 1,2-dimethoxyethane 585.71 ethyl orthosilicate 71.18 tributyl phosphate 74.56 diacetone alcohol 258.44 N,N-dimethylaniline 132.12 acrylonitrile 551.96 aniline 422.24 1,3-propanediol 1298.43 bromobenzene 228.53 dibromomethane 935.86 1,1,2,2-tetrachloroethane 656.32 2-methyl-cyclohexyl acetate 99.38 tetrabutyl urea 89.76 diisobutyl methanol 85.26 2-phenylethanol 214.81 styrene 91.89 dioctyl adipate 90.93 dimethyl sulfate 157.3 ethyl butyrate 128.56 methyl lactate 226.38 butyl lactate 140.63 diethyl carbonate 80.4 propanediol butyl ether 289.52 triethyl orthoformate 97.67 p-tert-butyltoluene 55.84 methyl 4-tert-butylbenzoate 156.93 morpholine 873.17 tert-butylamine 627.12 n-dodecanol 82.16 dimethoxymethane 454.06 ethylene carbonate 265.12 cyrene 185.19 2-ethoxyethyl acetate 212.21 2-ethylhexyl acetate 117.07 1,2,4-trichlorobenzene 247.36 4-methylpyridine 529.91 dibutyl ether 136.04 2,6-dimethyl-4-heptanol 85.26 DEF 396.5 dimethyl isosorbide 238.84 tetrachloroethylene 544.45 eugenol 182.3 triacetin 160.52 span 80 194.95 1,4-butanediol 592.36 1,1-dichloroethane 708.04 2-methyl-1-pentanol 493.96 methyl formate 520.71 2-methyl-1-butanol 826.85 n-decane 26.26 butyronitrile 597.19 3,7-dimethyl-1-octanol 172.44 1-chlorooctane 91.64 1-chlorotetradecane 34.03 n-nonane 26.97 undecane 18.61 tert-butylcyclohexane 32.26 cyclooctane 24.97 cyclopentanol 703.55 tetrahydropyran 565.08 tert-amyl methyl ether 346.98 2,5,8-trioxanonane 309.36 1-hexene 205.56 2-isopropoxyethanol 471.81 2,2,2-trifluoroethanol 673.99 methyl butyrate 189.2 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 |
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Category 2
Products applied to the axillae
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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
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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
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No restriction |
Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
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No restriction |