Description

4,4-Diethoxy-2-Methylbut-1-Ene is a versatile chemical intermediate featuring a protected carbonyl group in the form of a diethyl acetal. This compound matters for its role as a key building block in organic synthesis, offering a reactive alkene moiety adjacent to a masked aldehyde functionality. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures, including the synthesis of vitamins, fragrances, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial precursor in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for specialty chemicals, including flavors, fragrances, and dyes.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing carbon chains and introducing functional groups via its reactive double bond and acetal group.
• Polymer Modification: Can be used as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.

Basic Information

Product Name	4,4-Diethoxy-2-Methylbut-1-Ene
CAS No.	54340-95-3
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	2-Methyl-1,1-diethoxybut-1-ene; 2-Methyl-1,1-diethoxy-1-butene; 1-Butene, 4,4-diethoxy-2-methyl-; 4,4-Diethoxy-2-methyl-1-butene; Diethyl (2-methyl-1-buten-1-yl) acetal; 1,1-Diethoxy-2-methyl-1-butene
EINECS	Contact for details

Quality Control

Our 4,4-Diethoxy-2-Methylbut-1-Ene is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for sensitive synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere when appropriate. Keep away from heat, sparks, and open flame.

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.