Description

3-Methyl-2-Butenoic Acid, Propyl Ester is a versatile organic ester with a characteristic fruity, apple-like aroma. This compound is valued for its role as a key flavor and fragrance intermediate, offering a cost-effective solution for creating complex organoleptic profiles. It is primarily sought after by manufacturers in the flavor and fragrance, food and beverage, and cosmetic industries for its reliable performance and consistent quality.

Application

• Flavor & Fragrance Industry: A crucial building block for synthesizing esters and lactones used in creating fruity (apple, pineapple) and creamy flavor and fragrance compositions.
• Food & Beverage Additives: Employed as a flavoring agent or intermediate in the production of artificial flavors for candies, beverages, and baked goods.
• Cosmetics & Personal Care: Used in the formulation of perfumes, lotions, and soaps to impart or enhance specific fruity or fresh scent notes.
• Chemical Synthesis: Serves as a valuable intermediate in organic synthesis for pharmaceuticals, agrochemicals, and other specialty chemicals.
• Industrial Applications: Can be utilized as a solvent or a component in specialty coatings and cleaning formulations.

Basic Information

Product Name	3-Methyl-2-Butenoic Acid, Propyl Ester
CAS No.	56922-71-5
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Propyl 3-Methyl-2-butenoate; Propyl Senecioate; 3-Methylbut-2-enoic Acid Propyl Ester; 2-Butenoic Acid, 3-Methyl-, Propyl Ester; Tiglic Acid Propyl Ester (common name); NSC 163045
EINECS	Contact for details

Quality Control

Our 3-Methyl-2-Butenoic Acid, Propyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC and IR analysis, to ensure it meets precise purity and organoleptic specifications. A Certificate of Analysis (COA) detailing identity, purity, and physical properties is provided with every shipment to guarantee traceability and consistency for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent evaporation and maintain quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.425 - 1.435
Specific Gravity (20/20°C)	0.900 - 0.920
Water Content (KF)	≤ 0.5%

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