Description

(E)-1,1-Diethoxy-4-Methyl-Pent-2-Ene CAS NO 81149-91-9 is a high-purity, specialty chemical intermediate characterized by its unique acetal-protected aldehyde functionality. This compound matters for its versatility in organic synthesis, serving as a crucial building block for constructing complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fragrance sectors for applications such as the synthesis of active pharmaceutical ingredients (APIs), novel crop protection agents, and specialty aroma chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, insecticides, and fungicides.
• Fragrance & Flavor Chemistry: Serves as a precursor for the creation of specific aroma compounds and specialty flavors.
• Organic Synthesis Research: A valuable reagent in academic and industrial labs for constructing carbon chains and exploring new synthetic methodologies.
• Material Science: Potential intermediate in the development of specialty polymers and functional organic materials.
• Chemical Reference Standard: Used as a high-purity standard for analytical method development and quality control in related chemical processes.

Basic Information

Product Name	(E)-1,1-Diethoxy-4-Methyl-Pent-2-Ene
CAS No.	81149-91-9
Molecular Formula	C₁₀H₂₀O₂
Molecular Weight	172.26 g/mol
Synonyms	4-Methyl-2-pentenal diethyl acetal; (E)-4-Methyl-2-pentenal diethyl acetal; 1,1-Diethoxy-4-methyl-2-pentene; Diethyl (E)-4-methyl-2-pentenylidene acetal; 2-Pentenal, 4-methyl-, diethyl acetal, (E)-; (E)-4-Methylpent-2-enal diethyl acetal
EINECS	Contact for details

Quality Control

Our (E)-1,1-Diethoxy-4-Methyl-Pent-2-Ene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality commitment ensures the material is suitable for demanding applications in research and scale-up synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. The container should be kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Isomeric Purity ((E)-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.