Description

Cyclobutane-1,2-Dicarboxylic Acid Di(8-Methylnonyl) Ester is a high-purity, synthetic diester derived from cyclobutane dicarboxylic acid and branched-chain alcohols. This compound serves as a specialized intermediate and functional additive, valued for its unique molecular geometry and tailored physicochemical properties. It is primarily utilized by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to modify material characteristics such as flexibility, compatibility, and thermal stability.

Application

• Polymer Plasticizer: Imparts flexibility and low-temperature performance to PVC, synthetic rubbers, and other polymer matrices.
• Synthetic Lubricant Base Stock/Additive: Used in formulating high-performance lubricants and functional fluids requiring excellent viscosity-temperature characteristics and thermal-oxidative stability.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex molecules for pharmaceuticals, agrochemicals, and advanced materials.
• Solvent and Carrier: Acts as a high-boiling-point solvent or carrier medium in coatings, inks, and adhesive formulations.
• Cosmetic and Personal Care Ingredient: Functions as an emollient or skin-feel modifier in premium cosmetic formulations.
• Functional Fluid: Employed in heat transfer fluids, hydraulic fluids, and dielectric fluids where specific chemical inertness is required.

Basic Information

Product Name	Cyclobutane-1,2-Dicarboxylic Acid Di(8-Methylnonyl) Ester
CAS No.	64011-40-1
Molecular Formula	C28H52O4
Molecular Weight	452.71 g/mol
Synonyms	Di(8-methylnonyl) cyclobutane-1,2-dicarboxylate; Bis(8-methylnonyl) 1,2-cyclobutanedicarboxylate; 8-Methylnonyl cyclobutane-1,2-dicarboxylate; Cyclobutane-1,2-dicarboxylic acid bis(8-methylnonyl) ester; Diisononyl cyclobutane-1,2-dicarboxylate (isomer mixture); DINCH analogue (cyclobutane-based); Specialty diester plasticizer CB-1,2-DA; 1,2-Cyclobutanedicarboxylic acid, di(8-methylnonyl) ester
EINECS	Contact for details

Quality Control

Our Cyclobutane-1,2-Dicarboxylic Acid Di(8-Methylnonyl) Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are provided and available upon request, supporting 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 away from strong acids, strong oxidizers, and heat sources. Recommended storage temperature is 15-25°C. The product is compatible with common container materials such as high-density polyethylene (HDPE) or stainless steel.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Acid Value	≤ 0.5 mg KOH/g
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.450 - 1.460

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