Description

3-Methyl-2-Butenal is a highly versatile, unsaturated aldehyde with a characteristic pungent odor. This compound serves as a critical building block and intermediate in the synthesis of fine chemicals, flavors, and fragrances. It is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to create complex molecular structures.

Application

• Flavor and Fragrance Intermediate: A key precursor in the synthesis of various fruity and green aroma compounds.
• Agrochemical Synthesis: Used as a building block in the production of certain pesticides and herbicides.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Organic Synthesis: A valuable reagent for aldol condensations and other reactions to form carbon-carbon bonds.
• Resin and Polymer Modification: Can be used to introduce aldehyde functionality into polymers.
• Chemical Research & Development: Serves as a standard or starting material in laboratory-scale organic synthesis.

Basic Information

Product Name	3-Methyl-2-Butenal
CAS No.	107-86-8
Molecular Formula	C5H8O
Molecular Weight	84.12 g/mol
Synonyms	3-Methylcrotonaldehyde; 3-Methylbut-2-enal; Isopentenal; 2-Butenal, 3-methyl-; β,β-Dimethylacrolein; Senecialdehyde; NSC 66412
EINECS	203-528-1

Quality Control

Our 3-Methyl-2-Butenal is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets exacting standards for industrial and fine chemical applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat sources and incompatible materials. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep container tightly sealed when not in use to prevent evaporation and moisture ingress.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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