Description

Bis(3-Methylbutyl) Sebacate is a high-performance diester plasticizer derived from sebacic acid and isoamyl alcohol. This compound is valued for its excellent low-temperature flexibility, thermal stability, and compatibility with a wide range of polymers, offering a superior alternative to traditional phthalates. It is an essential raw material for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and meet stringent regulatory requirements.

Application

• Primary plasticizer for polyvinyl chloride (PVC), polyurethane (PU), and other synthetic resins to impart flexibility and durability.
• High-performance lubricant base stock and additive for synthetic oils and greases, providing excellent viscosity-temperature properties.
• Functional fluid component in high-temperature hydraulic systems and compressor lubricants.
• Intermediate in the synthesis of specialty polymers, resins, and fine chemicals.
• Plasticizer for adhesives, sealants, and coatings to improve film formation and elasticity.
• Additive in cosmetic and personal care formulations as an emollient and solvent.

Basic Information

Product Name	Bis(3-Methylbutyl) Sebacate
CAS No.	10340-42-8
Molecular Formula	C20H38O4
Molecular Weight	342.52 g/mol
Synonyms	Diisoamyl Sebacate; DIAS; Sebacic Acid Diisoamyl Ester; Bis(isoamyl) Sebacate; Di(3-methylbutyl) Decanedioate; Isoamyl Sebacate; Decanedioic Acid, Bis(3-methylbutyl) Ester
EINECS	233-754-4

Quality Control

Our Bis(3-Methylbutyl) Sebacate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include identity confirmation, assay, acid value, and color. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, acids, and heat sources 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
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%
Refractive Index (20°C)	1.440 - 1.445
Density (20°C)	0.920 - 0.930 g/mL

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