Description

(E)-4-Undecenoic Acid CAS NO 35329-55-6 is a high-purity, unsaturated fatty acid derivative characterized by its specific trans-configuration at the double bond. This compound serves as a valuable chemical intermediate and building block for synthesizing more complex molecules in advanced research and industrial applications. It is primarily utilized by pharmaceutical, agrochemical, and specialty chemical manufacturers for the development of active ingredients, fragrances, and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of specialized pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for musk-like odorants and other specialty aroma chemicals.
• Organic Synthesis & Research: A versatile building block in organic chemistry for creating complex lipids, polymers, and fine chemicals.
• Lubricant & Surfactant Additive: Used in the formulation of high-performance synthetic lubricants and specialty surfactants.
• Material Science: Employed in the development of novel monomers for polymers and advanced functional materials.

Basic Information

Product Name	(E)-4-Undecenoic Acid
CAS No.	35329-55-6
Molecular Formula	C₁₁H₂₀O₂
Molecular Weight	184.28 g/mol
Synonyms	(E)-4-Undecenoic Acid; trans-4-Undecenoic Acid; (E)-4-Hendecenoic Acid; 4-Undecenoic Acid, (E)-; 4-trans-Undecenoic Acid; FA(11:1n-7); (E)-Undec-4-enoic Acid; 4-Undecenoic Acid
EINECS	Contact for details

Quality Control

Our (E)-4-Undecenoic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent isomeric composition. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. This material is easily oxidized; avoid exposure to air and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 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.