Description

Butanedioic Acid, Methylene-, 4-Octyl Ester is a specialized organic ester compound, also known by its CAS number 3133-16-2. This chemical serves as a versatile intermediate and functional additive, valued for its unique combination of a succinate core and a lipophilic octyl chain. It is primarily sought after by manufacturers in the polymer, lubricant, and specialty chemical industries for its role in modifying material properties and facilitating synthesis.

Application

• Polymer Plasticizer and Modifier: Imparts flexibility and low-temperature performance to PVC and other polymer systems.
• Lubricant and Fuel Additive Intermediate: Used in the synthesis of esters that enhance lubricity, stability, and detergency.
• Chemical Synthesis Building Block: Acts as a key intermediate for producing surfactants, emulsifiers, and other functional chemicals.
• Coalescing Agent for Coatings: Facilitates film formation in paints, adhesives, and latex applications.
• Personal Care and Cosmetic Formulations: Functions as an emollient or solvent in specialty cosmetic products.

Basic Information

Product Name	Butanedioic Acid, Methylene-, 4-Octyl Ester
CAS No.	3133-16-2
Molecular Formula	C13H22O4
Molecular Weight	242.31 g/mol
Synonyms	4-Octyl 2-methylene succinate; 2-Methylenesuccinic acid 4-octyl ester; Di-n-octyl methylenesuccinate (common name); Octyl methylenesuccinate; Methylene succinic acid octyl ester; Butanedioic acid, methylene-, dioctyl ester (related); CAS 3133-16-2
EINECS	221-527-1

Quality Control

Our production of Butanedioic Acid, Methylene-, 4-Octyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.2%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	0.98 - 1.02 g/mL

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