Description

Didecyl Sebacate is a high-performance, synthetic diester derived from sebacic acid and decyl alcohol. This compound serves as a premium-grade, low-volatility plasticizer and lubricant base, valued for its excellent thermal stability and compatibility with a wide range of polymers. It is essential for manufacturers in the plastics, coatings, and specialty lubricants industries seeking to enhance product flexibility, durability, and performance under demanding conditions.

Application

• Primary plasticizer for PVC, synthetic rubbers, and other polymers requiring low-temperature flexibility and high thermal resistance.
• Base fluid and synthetic lubricant component in high-temperature greases, compressor oils, and aviation fluids.
• Functional fluid in hydraulic systems and heat transfer applications due to its stability and wide liquid range.
• Additive and coalescing agent in specialty coatings, inks, and adhesives to improve film formation and durability.
• Processing aid and internal lubricant in the manufacturing of engineered plastics and elastomeric compounds.
• Intermediate in the synthesis of more complex ester-based specialty chemicals for various industrial applications.

Basic Information

Product Name	Didecyl Sebacate
CAS No.	2432-89-5
Molecular Formula	C30H58O4
Molecular Weight	482.78 g/mol
Synonyms	Bis(decyl) sebacate; Decyl sebacate; Didecyl decanedioate; Sebacic acid didecyl ester; DDSE; Di-n-decyl sebacate; 1,10-Bis(decyloxycarbonyl)decane; Decanedioic acid, didecyl ester
EINECS	219-411-2

Quality Control

Our Didecyl Sebacate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, acidity, and other critical physical-chemical parameters. Certificates of Analysis (COA) documenting these results are provided to guarantee traceability and compliance with your technical requirements.

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 alkalis and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%
Refractive Index (20°C)	1.448 - 1.452
Density (20°C)	0.910 - 0.920 g/mL
Viscosity (20°C)	~20 mPa·s

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