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Organic Acids

Butyl levulinate

CAS: 2052-15-5

Overview

Butyl levulinate (CAS 2052-15-5 ), also known by its FEMA 2207 designation, is a levulinic acid ester used commercially as a plasticizer, solvent, and flavoring agent.

Derived from renewable feedstocks, it bridges bio-based chemistry with industrial performance across multiple end-use sectors. In plastics and polymer formulations, it functions as a plasticizer and softener.

It improves flexibility and processability in PVC and biopolymer compounds. As a solvent and carrier, it supports coating, ink, and adhesive formulations where moderate evaporation rate and good solvency are required.

Food and beverage manufacturers use it as a flavoring agent under FEMA 2207, where it contributes fruity, caramel-like notes to confectionery, baked goods, and beverages.

Lubricant and metalworking formulators also incorporate it as a bio-based carrier fluid or diluent in specialty blends targeting sustainability requirements for modern industrial applications.

Butyl levulinate is supplied as a clear liquid in standard drum and IBC quantities, with bulk tanker options available for larger procurement volumes across global supply chains.

Food-grade material is available meeting FEMA specifications, while technical-grade product serves industrial solvent and plasticizer applications with high efficiency and reliability.

Purity levels typically range from 98% upward, with certificate of analysis documentation standard across both grades to ensure compliance with rigorous internal quality control protocols.

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Physical Properties

Boiling Point248 °C @ Press: 750 Torr
Density0.974 g/cm³ @ Temp: 25 °C; Press: 750 Torr
Flash Point197 °F
AppearanceCLEAR YELLOW TO ORANGE-BROWN LIQUID
ColorColorless to Almost colorless
Odorat 100.00 %. fruity herbal waxy caramel savory
Formclear liquid
Water SolubilitySlightly soluble in water.
Vapor Pressure5Pa at 25℃
Refractive Indexn 20/D 1.427(lit.)
Log P1.435 at 20℃

Safety & Handling

Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation Precautionary Statements P264 Wash … thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P321 Specific treatment (see … on this label). P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29183000
Storage Class10 - Combustible liquids
WGK (Germany)2

Other Names

Butyl 4-oxopentanoate | Pentanoic acid4-oxo-butyl ester | n-Butyl levulinate | Butyl laevulinate | n-Butyl laevulinate | LEVULINIC ACIDBUTYL ESTER | Butyl 4-ketovalerate | Butyl acetylpropionate

Related Products

Chemical Properties

CAS Number
2052-15-5
EC Number
218-143-4
Mol. Weight
172.22
HS Code
29183000

Industries

Documentation