【CAS】540-42-1
Alias: Propionic acid (2-methylpropyl) ester;Propionic acid 2-methylpropyl ester
Formule moléculaire : C7H14O2 Masse moléculaire relative : 130,18
Formule structurelle :
1.Propriété du produit
Colorless to pale yellow liquid. It has the aroma of rum and pineapple. The boiling point is 137 – 138℃, and the freezing point is -71.4℃. It is highly soluble in ethanol and ether, but insoluble in water.
2.
| Paramètres | Spécifications |
| Pureté (GC-FID) | ≥98.0% |
| Apparence | Liquide incolore |
| Odeur | Fruité, semblable au rhum |
| Indice de réfraction (20°C) | 1.390 – 1.394 |
| Densité (20°C) | 0,860 - 0,870 g/cm³ |
| Acidité (en tant qu'acide propionique) | ≤0.03% |
| Teneur en eau | ≤0.1% |
| Métaux lourds (Pb) | ≤2 ppm |
3. Champ d'application et utilisation
It is commonly used as an edible spice, mainly for preparing rum, strawberry and other fruit-based essences. It can also be used as a solvent for paints and an intermediate in organic synthesis.
4. l'emballage et le stockage
Isobutyl propionate is packaged in 25kg aluminum drums or HDPE plastic drums (protected by nitrogen). It is lined with food-grade PE film. It should be stored in a cool and ventilated place (< 25℃), away from fire sources and oxidants. The shelf life is 24 months. After opening, it is recommended to be used within 6 months.






