Overview of Dioctyl Sebacate (CAS 122-62-3)
It is synthesized via the esterification reaction between sebacic acid and 2-ethylhexanol (octanol).
This reaction yields a compound with exceptional compatibility, low volatility, and superior plasticizing efficiency.
Dioctyl Sebacate (CAS 122-62-3) is renowned for its mild odor, excellent thermal stability, and resistance to hydrolysis.
It is a preferred choice for a wide range of industrial applications, particularly in polymer processing and medical fields.
Applications of Dioctyl Sebacate (CAS 122-62-3)
Dioctyl Sebacate (CAS 122-62-3) is a versatile, high-performance plasticizer with extensive applications across polymer processing and other key industries, leveraging its excellent compatibility, low volatility, and superior plasticizing properties. Its primary applications are outlined below:
1. Plastic and Polymer Industry
It is primarily used as a plasticizer for polyvinyl chloride (PVC), the most widely utilized synthetic polymer globally. It effectively enhances the flexibility, toughness, and low-temperature resistance of PVC products, making it ideal for manufacturing flexible PVC items such as medical tubes, hoses, cables, films, artificial leather, and toys. Additionally, it improves the processability of PVC during extrusion, calendering, and injection molding, reducing production costs while boosting product quality.
2. Medical and Pharmaceutical Field
Due to its non-toxic, odorless, and biocompatible properties, Dioctyl Sebacate is widely adopted in the medical and pharmaceutical industry. It serves as a critical plasticizer for medical-grade PVC products, including infusion tubes, blood transfusion sets, catheters, medical films, and disposable medical devices. It meets strict international medical standards, ensuring no harmful substances are released during use, and maintains the flexibility, sterility, and biocompatibility of medical equipment, making it safe for clinical applications.
3. Coatings and Adhesives
In the coatings and adhesives industry, Dioctyl Sebacate functions as a plasticizer and softener, significantly improving the flexibility, adhesion, and weather resistance of coatings and adhesives.
4. Rubber and Elastomers
As a softener and plasticizer for synthetic rubbers (including nitrile rubber, styrene-butadiene rubber, and neoprene), Dioctyl Sebacate improves the processing performance and low-temperature flexibility of rubber products. It reduces the hardness of rubber, enhances its elongation at break, and boosts its resistance to aging, oxidation, and wear, making it suitable for producing rubber seals, gaskets, hoses, and automotive rubber components.
5. Other Applications
It also finds use as a lubricant and plasticizer in cosmetics (e.g., lipsticks, lotions, and creams), improving product texture, spreadability, and moisturizing properties. Additionally, it serves as a solvent in organic synthesis, a plasticizer for cellulose derivatives, and a key component in hydraulic fluids and lubricating oils, thanks to its good thermal stability and low volatility.
Frequently Asked Questions (FAQs)
Q1: What is the CAS number of Dioctyl Sebacate?
A1: The CAS number of Dioctyl Sebacate is 122-62-3, a unique identifier used to classify and track this chemical compound in global chemical databases, regulatory systems, and industrial applications.
Q2: What is the purity of your Dioctyl Sebacate?
A2: Our Dioctyl Sebacate has a minimum purity of 99.0% (tested by GC), ensuring high performance, reliability, and consistency for various industrial, medical, and cosmetic applications. We also offer customized purity levels based on specific customer needs.
Q3: How should Dioctyl Sebacate be stored?
A3: It should be stored in a sealed, corrosion-resistant container in a cool, dry, and well-ventilated area. It should be kept away from direct sunlight, heat sources, and incompatible substances (such as strong acids, bases, and oxidizing agents). When stored properly, it has a shelf life of 24 months from the date of manufacture.
Q4: Is Dioctyl Sebacate soluble in water?
A4: No, it is insoluble in water. It is highly soluble in common organic solvents such as ethanol, ether, benzene, chloroform, and acetone, which is essential for its application in polymer processing, organic synthesis, and coating formulation.
Q5: What are the main applications of Dioctyl Sebacate?
A5: The main applications of Dioctyl Sebacate include serving as a plasticizer for PVC and other polymers, a softener for synthetic rubbers, a component in medical devices, a plasticizer in coatings and adhesives, and a lubricant in cosmetics and industrial fluids. It is widely used in the plastic, medical, coating, rubber, and cosmetic industries.
Q6: Do you provide a Certificate of Analysis (COA) for each batch?
A6: Yes, we provide a detailed Certificate of Analysis (COA) for every batch of Dioctyl Sebacate. The COA includes key specifications such as purity, acid value, appearance, molecular weight, and solubility, ensuring full traceability and quality assurance for our customers.
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