Description

Sebacic Acid Di-n-Octyl Ester is a high-purity diester derived from sebacic acid and n-octanol, valued for its excellent solvency and plasticizing properties. This compound serves as a versatile intermediate and functional additive, offering superior thermal stability and low volatility. It is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Primary plasticizer for PVC and other polymers, providing flexibility and durability.
• High-performance lubricant base oil and additive for synthetic lubricants and greases.
• Intermediate in the synthesis of specialty chemicals, including surfactants and corrosion inhibitors.
• Functional fluid in hydraulic systems and heat transfer applications.
• Solvent and carrier for dyes, pigments, and active ingredients in various formulations.
• Additive in coatings and inks to improve flow, gloss, and adhesion properties.

Basic Information

Product Name	Sebacic Acid Di-n-Octyl Ester
CAS No.	2432-87-3
Molecular Formula	C₂₆H₅₀O₄
Molecular Weight	426.68 g/mol
Synonyms	Dioctyl Sebacate; Sebacic Acid Dioctyl Ester; DOS; Bis(2-ethylhexyl) Sebacate (common, but note isomer); Di-n-octyl Sebacate; Octyl Sebacate; Sebacate Dioctylique; Dioctylester Kyseliny Sebakové; EINECS 219-411-2
EINECS	219-411-2

Quality Control

Our Sebacic Acid Di-n-Octyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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 acids, oxidizing agents, and heat sources. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.1%
Refractive Index (20°C)	1.447 - 1.451
Density (20°C)	0.910 - 0.915 g/mL
Color (APHA)	≤ 50

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