【CAS】539-88-8
Alias: Ethyl ketovalerate;Ethyl levulate;ethylketovalerate;ethyllevulate
Formule moléculaire : C7H12O3
Relative molecular mass: 144.17
Formule structurelle :
1.Propriété du produit
Ethyl Levulinate, as a potential green biomass-based platform compound, contains a carbonyl group and an ester group. It has good reactivity and can undergo various chemical reactions such as hydrolysis, reduction, condensation, and nucleophilic addition.
2.
| Paramètres | Qualité industrielle | Food Grade (FEMA 2442) |
| La pureté | ≥97.0% | ≥98.5% |
| Apparence | Liquide incolore | Liquide incolore |
| Odeur | Mild, caramel-like | Doux, fruité |
| Valeur acide | ≤1,0 mg KOH/g | ≤0,5 mg KOH/g |
| Indice de réfraction (20°C) | 1.423-1.427 | 1.424-1.426 |
| Densité (20°C) | 1.010-1.020 g/cm³ | 1.012-1.018 g/cm³ |
| Métaux lourds (Pb) | ≤5 ppm | ≤2 ppm |
3. Champ d'application et utilisation
Ethyl Levulinate is a multifunctional ester compound. It is mainly used as a food flavoring agent (FEMA 2442, for blending caramel, fruit flavors), a pharmaceutical intermediate (for drug synthesis), a cosmetic solvent (for perfumes, lotions), and a biofuel additive (to improve combustion performance).
4. l'emballage et le stockage
Acetoin ethyl ester is packaged in 25kg plastic drums (HDPE) or aluminum drums. For food-grade products, it should be lined with PE film. Store in a cool and dry place (<25℃), keep tightly sealed to prevent moisture, and keep away from fire sources and oxidants. The shelf life is 24 months.
