Description

(2E)-2-Butenyl Butyrate is a high-purity ester compound with a characteristic fruity, apple-like aroma. This chemical is valued for its role as a versatile flavor and fragrance intermediate, offering consistent quality and reliable performance in demanding formulations. It is primarily sought after by manufacturers in the flavor & fragrance, food, and cosmetic industries for creating complex aromatic profiles.

Application

• Flavor & Fragrance Industry: A key building block for synthesizing and enhancing fruity, apple, and berry notes in perfumes, colognes, and air fresheners.
• Food Flavoring: Used as a synthetic flavoring agent to impart or reinforce apple, pear, and tropical fruit flavors in beverages, candies, and baked goods.
• Cosmetics & Personal Care: Incorporated as a fragrance component in soaps, lotions, shampoos, and other scented personal care products.
• Chemical Synthesis: Serves as a valuable intermediate or starting material in organic synthesis for pharmaceuticals and specialty chemicals.
• Household Products: Utilized in the formulation of scented cleaning agents, detergents, and fabric softeners.

Basic Information

Product Name	(2E)-2-Butenyl Butyrate
CAS No.	20279-26-9
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	trans-2-Buten-1-yl butyrate; (E)-2-Butenyl butanoate; Crotyl butyrate; Butanoic acid, 2-butenyl ester, (E)-; 2-Butenyl butyrate; FEMA 3392
EINECS	243-693-9

Quality Control

Our (2E)-2-Butenyl Butyrate is produced under strict quality management systems to ensure batch-to-batch consistency and purity. It is manufactured to meet the requirements of the Food Chemicals Codex (FCC) and is compliant with relevant regulations for use as a flavoring agent. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.422 - 1.426
Specific Gravity (20/20°C)	0.880 - 0.890
Acid Value	≤ 1.0 mg KOH/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.