Description

2-Butenoyl Chloride, 2-Methyl-, (2Z)- is a specialized, high-purity acid chloride derivative used as a critical building block in advanced organic synthesis. This compound matters for its role in introducing the (Z)-configured 2-methyl-2-butenoyl moiety, enabling the synthesis of complex molecules with precise stereochemistry. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring stereospecific side chains.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides with tailored activity profiles.
• Fine Chemical Production: Serves as an acylating agent in the manufacture of specialty chemicals, dyes, and flavor/fragrance compounds.
• Polymer Chemistry: Employed as a monomer or modifying agent for creating polymers with specific functional groups and properties.
• Academic & Industrial Research: A valuable reagent for methodological development and exploring new chemical spaces in synthetic organic chemistry.
• Material Science: Used in surface modification and the creation of advanced organic materials with customized functionalities.

Basic Information

Product Name	2-Butenoyl Chloride, 2-Methyl-, (2Z)-
CAS No.	62529-65-1
Molecular Formula	C5H7ClO
Molecular Weight	118.56 g/mol
Synonyms	(Z)-2-Methyl-2-butenoyl chloride; (2Z)-2-Methyl-2-butenoyl chloride; Tiglyl chloride, (Z)-; (Z)-Tiglyl chloride; 2-Butenoyl chloride, 2-methyl-, (Z)-; 2-Methylcrotonoyl chloride (Z-isomer); (Z)-2-Methylcrotonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Butenoyl Chloride, 2-Methyl-, (2Z)- is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and isomeric integrity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

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). This product is hygroscopic (moisture-sensitive) and reacts vigorously with water, strong bases, and alcohols. Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture and to maintain purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Isomeric Purity (Z-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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