Butyl isovalerate
Product Description
| Product | Butyl isovalerate |
| CAS | 109-19-3 |
| Formula | C9H18O2 |
| Synonym | Butyl 3-methylbutanoate, Butanoic acid, 3-methyl-, butyl ester, Butyl 3-methylbutanoate |
Typical Product Specifications
| Density | 0.851-0.857 |
| Slightly Soluble | in propylene glycol |
| Specific gravity | 0.85600 to 0.85900 @ 25.00 ยฐC |
| Pounds/Gallon | 7.123 to 7.148 |
| Refractive Index | 1.40700 to 1.41100 @ 20.00 ยฐC |
| Boiling Point | 174.00 to 175.00 ยฐC. @ 760.00 mm Hg |
| Vapor Pressure | 1.090000 mm/Hg @ 25.00 ยฐC |
| Vapor Density | 5.4 |
| Flash Point | 132.00 ยฐF. TCC |
| logP (o/w) | 3.18 |
| Shelf Life | 24 month(s) or longer if stored properly |
| Storage | store in cool, dry place in tightly sealed containers, protected from heat and light |
| Odor Type | fruity |
| Odor | Fruity, sweet, pineapple, pungent, green, apple and peach nuances |
| Taste | Fruity, sweet, ripe pineapple, green with peach nuances |
| Appearance | colorless to pale yellow clear liquid |
| Assay | 99.00 to 100.00 % |
| Acid Value | 1.00 max. KOH/g |
| Insolubility | in water |
| Molecular weight | 158.27 |
| Color | colorless to pale yellow liquid |
| Chemical Structure | ![]() |
| Notes | FEMA# 2218 Use: PERFUMING |
| Class | Flavor and Fragrance Chemical Compounds |

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