Description

3-Butenoyl Chloride, 2,2-Dimethyl- is a highly reactive, branched-chain acid chloride derivative. This compound is a valuable specialty chemical intermediate used in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists in fine chemical and active ingredient manufacturing. Its unique structure offers a versatile handle for introducing functionalized butenoyl moieties into target compounds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those requiring a sterically hindered, unsaturated side chain.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or co-monomer precursor for specialty polymers with tailored properties.
• Organic Synthesis & Research: A versatile reagent for acylations and the introduction of the 2,2-dimethyl-3-butenoyl functional group in academic and industrial research settings.
• Material Science: Intermediate in the creation of advanced materials, including liquid crystals and performance additives.
• Flavor & Fragrance Industry: Potential precursor for synthesizing specific aroma compounds and esters.

Basic Information

Product Name	3-Butenoyl Chloride, 2,2-Dimethyl-
CAS No.	57690-96-7
Molecular Formula	C6H9ClO
Molecular Weight	132.59 g/mol
Synonyms	2,2-Dimethyl-3-butenoyl chloride; 3-Butenoyl chloride, 2,2-dimethyl-; 2,2-Dimethylbut-3-enoyl chloride; 3-Butenoic acid, 2,2-dimethyl-, chloride; 2,2-Dimethylvinylacetyl chloride
EINECS	Contact for details

Quality Control

Our 3-Butenoyl Chloride, 2,2-Dimethyl- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of GMP and ISO standards for chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, ignition sources, and incompatible materials. Due to its nature as a strong acid/organic solvent and highly volatile compound, it should be handled under an inert atmosphere (e.g., nitrogen or argon) in a dedicated chemical fume hood. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	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.