Overview
Isoamyl octanoate (CAS 2035-99-6 ), also known as isoamyl caprylate, is a synthetic ester used as a flavoring agent and fragrance ingredient across food and personal care markets. With a characteristic fruity, waxy odor profile, it functions as both a flavor component and a carrier solvent in finished formulations.
In food and beverage manufacturing, it contributes fruity top notes to confectionery, baked goods, and flavored beverages. It is recognized under FEMA 2080 for use in approved flavor systems across the global food industry.
Personal care formulators incorporate it as an emollient carrier in skin and hair products. Its ester structure supports spreadability and ingredient delivery without leaving a heavy residue on the skin or hair surface.
It also functions as a solvent and diluent in fragrance concentrate blending, helping to adjust viscosity. This helps extend aromatic profiles in both fine fragrance and functional fragrance applications for industrial use.
Flavor houses use it as a building block in tropical and stone fruit flavor constructs. These applications primarily target confectionery and dairy end products requiring specific fruity aromatic profiles for consumer appeal.
Isoamyl octanoate is supplied as a clear, mobile liquid in drum and IBC quantities suited to industrial purchasing volumes. Food-grade material is the primary commercial specification for most global buyers.
Supply is typically aligned to FEMA and FCC standards for flavor ingredient use. Technical-grade material is also available for fragrance and cosmetic applications where food compliance is not strictly required.
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Physical Properties
| Melting Point | -34.8°C (estimate) |
| Boiling Point | 267-268 °C |
| Density | 0.861 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
| Color | Colorless to Light yellow |
| Odor | at 100.00 %. sweet oily fruity green soapy pineapple coconut |
| Form | neat |
| Water Solubility | Soluble in water |
| Refractive Index | n 20/D 1.426(lit.) |
| Log P | 5.31 |
Safety & Handling
Warning GHS07 Hazard Statements H315 H315 H319 H319 H335 H335 Precautionary Statements P261 P261 P264 P264 P271 P271 P280 P280 P319 P319 P321 P321 P405 P405 P501 P501 P264+P265 P264+P265 P302+P352 P302+P352 P304+P340 P304+P340 P332+P317 P332+P317 P337+P317 P337+P317 P362+P364 P362+P364 P403+P233 P403+P233 P305+P351+P338 P305+P351+P338
Trade & Regulatory
| HS Code | 29156000 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 2035-99-6
- EC Number
- 218-004-8
- Mol. Weight
- 214.34
- HS Code
- 29156000
- Category
- Oils, Fats & Waxes