Description

9-Methylundecanoic Acid is a branched-chain fatty acid with a unique structure that imparts valuable chemical and physical properties. This compound is significant as a versatile intermediate and building block in the synthesis of complex organic molecules, including pharmaceuticals, agrochemicals, and specialty polymers. It is primarily needed by R&D laboratories, fine chemical manufacturers, and producers of advanced lubricants and plasticizers.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Used in the production of specialized pesticides, herbicides, and plant growth regulators.
• Lubricant & Plasticizer Additive: Imparts desirable low-temperature and viscosity properties when incorporated into synthetic lubricants and polymer plasticizers.
• Flavor & Fragrance Ingredient: Acts as a precursor for the synthesis of esters and other compounds used in creating specific flavor and fragrance profiles.
• Organic Synthesis Reagent: Employed in research and development for constructing complex molecular architectures, particularly in asymmetric synthesis.
• Surface Active Agent (Surfactant) Precursor: Used to manufacture specialized surfactants with tailored branching for improved performance.

Basic Information

Product Name	9-Methylundecanoic Acid
CAS No.	17001-17-1
Molecular Formula	C₁₂H₂₄O₂
Molecular Weight	200.32 g/mol
Synonyms	9-Methylundecanoic Acid; 9-Methylhendecanoic Acid; Undecanoic acid, 9-methyl-; (+)-9-Methylundecanoic acid; (R)-9-Methylundecanoic acid; (S)-9-Methylundecanoic acid; 9-Methylundecanoic acid, (R)-; 9-Methylundecanoic acid, (S)-
EINECS	241-091-3

Quality Control

Our 9-Methylundecanoic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended long-term storage temperature is between 2°C and 8°C. Allow the container to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Optical Purity (Chiral GC/HPLC)	Contact for details
Water Content (KF)	≤ 0.5%

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