Description

Ethyl 3-Methylbut-3-Enoate is a versatile ester compound valued for its unique chemical structure and organoleptic properties. This specialty chemical serves as a crucial intermediate and building block in the synthesis of complex molecules across several high-value industries. It is particularly sought after by manufacturers in the fragrance, flavor, and pharmaceutical sectors for its utility in creating specific scent profiles and active pharmaceutical ingredients.

Application

• Fragrance & Flavor Ingredient: Used as a key intermediate or modifier in the synthesis of fruity, green, and floral aroma chemicals for perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediate: Serves as a valuable building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Employed in the production pathway for certain pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or co-monomer in specialty polymerizations to impart specific properties to resins and coatings.
• Organic Synthesis & Research: A useful reagent in academic and industrial R&D laboratories for constructing complex organic molecules, including natural products.
• Specialty Solvent & Plasticizer: Finds application as a high-boiling-point solvent or a plasticizing agent in niche formulations.

Basic Information

Product Name	Ethyl 3-Methylbut-3-Enoate
CAS No.	1617-19-2
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Ethyl 3-Methyl-3-butenoate; 3-Methyl-3-butenoic Acid Ethyl Ester; Ethyl 3-Methylbut-3-enoate; Ethyl β,β-Dimethylacrylate; 3-Methylbut-3-enoic Acid Ethyl Ester; Ethyl 3-Methylcrotonate (related isomer); Ethyl 3,3-Dimethylacrylate
EINECS	216-574-6

Quality Control

Our Ethyl 3-Methylbut-3-Enoate is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC or HPLC analysis, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key specifications such as assay, identity, and impurity profiles. Our quality commitment supports compliance with relevant standards for use in fragrance, flavor, and industrial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.418 - 1.422
Density (20°C)	0.910 - 0.920 g/mL
Water Content (KF)	≤ 0.5%

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