High quality Dibutyl Sebacate (DBS) CAS 109-43-3 for Plasticizer

Butyl sebacate (CAS number: 109-43-3) is a colorless or pale yellow transparent oily liquid with a faint fruity aroma and oily odor. Its chemical formula is C₁₈H₃₄O₄, and its molecular weight is 314.46. This product is synthesized through esterification of sebacic acid and butanol, and is widely used in various industrial applications.

Main properties and characteristics:

Appearance: Colorless to pale yellow transparent liquid

Solubility: Insoluble in water, readily soluble in organic solvents such as ethanol, ether, and acetone.

Density: approximately 0.936–0.94 g/cm³ (at 20°C)

Flash point: approximately 178–180°C (open cup test), classified as flammable liquid

Boiling point: 344–345°C (at atmospheric pressure); 178–179°C (at 3 mmHg)

refractive index: n²⁰/D 1.441

Toxicity: Low toxicity, with an oral LD50 of 16,000 mg/kg in rats. Approved by the FDA for use in food contact materials.

Core use:

Cold-resistant plasticizer: Widely used in PVC, synthetic rubbers (such as nitrile rubber and chloroprene rubber), and cellulose resins, significantly enhancing the flexibility and oil resistance of products in low-temperature environments.

Usage Precautions:

Flammable; may ignite upon exposure to open flames, high temperatures, or strong oxidizers, producing irritating smoke.

During storage, it should be kept sealed, protected from light, and placed in a cool, well-ventilated area, away from sources of ignition and oxidizers.

Protective equipment is recommended during operation to avoid direct contact with skin and eyes. 

Product Parameter

Company Profile   

Shandong Changyuan Chemical Co.Ltd. is mainly manufacturing and dealing in sales of fine chemical products. It was built in 2022 and mainly focuses on innovation, reseach and development. We have ccoperation with many customers at home and abroad. The company has a professional production base. The main products: Acryiic acid, vinyl acetate, methyl methacrylateetc. It has been popular around. We will strive for greater success with products, prices,services and quality. Quality is our culture.                                                 

Packaging and Transportation

‌Packaging‌: Typically packed in ‌200 kg drums‌ or ‌190 kg/200 kg iron drums‌

‌Storage and Handling‌: Should be stored in a ‌cool, ventilated, and dry place‌, away from heat sources, open flames, and oxidizing agents. Keep containers tightly closed when not in use。

‌Transportation‌: Transported via professional logistics teams with attention to ‌fire safety and moisture protection‌. It is recommended to use covered vehicles to prevent exposure to rain or direct sunlight during transit。

‌Handling Precautions‌: Handle with care to avoid leakage or spillage. Use appropriate personal protective equipment (PPE) such as gloves and goggles during loading and unloading

Maritime transportation: Can be transported as general cargo without special packaging or isolation, suitable for bulk cargo transportation, with low cost and high capacity.

Air transport: As there is no United Nations dangerous goods number (UN number is blank) and no transport hazard classification, it can be transported as non-restricted chemicals, resulting in high customs clearance efficiency. 

FAQ

Q1: What is the purity of this product, and can you provide COA?

A1: Our product typically has a purity of ≥99.0%. We can provide a Certificate of Analysis (COA) for each batch, detailing the assay, moisture content, and other key parameters. Please refer to our attached file or contact us for a copy.

Q2: What is your Minimum Order Quantity (MOQ) and Lead Time?

A2: For this product, our MOQ is 1 ton. The lead time is approximately 15-20 days after order confirmation and payment. If you have a trial order, we can also offer smaller packaging.

Q3: What is the packaging option for this chemical?

A3: Standard packaging is 190 kg net in iron drums. We can also customize packaging according to your requirements.

Q4: What payment terms do you accept?

A4: We typically accept T/T (Telegraphic Transfer) and L/C at sight.