Description

Dibutyl 3,3'-Thiobispropionate is a sulfur-containing organic compound widely utilized as a versatile intermediate and stabilizer. Its molecular structure makes it a valuable component in the synthesis of antioxidants and light stabilizers for polymeric materials. This product is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance the durability and performance of their formulations.

Application

• Primary Antioxidant Intermediate: A key building block in the synthesis of high-performance phenolic and sulfur-based antioxidants for polymers.
• Polymer Stabilization: Functions as a co-stabilizer or synergist in polyolefins (PP, PE), PVC, and synthetic rubbers to prevent thermal and oxidative degradation.
• Lubricant and Fuel Additive: Used in formulating additives that improve the oxidative stability of industrial lubricants and fuels.
• Specialty Chemical Synthesis: Serves as a precursor for various sulfur-containing specialty chemicals used in agrochemicals and pharmaceuticals.
• Adhesive and Sealant Formulations: Incorporated to enhance the long-term stability and performance of adhesive and sealant products.

Basic Information

Product Name	Dibutyl 3,3'-Thiobispropionate
CAS No.	6975-31-1
Molecular Formula	C14H26O4S
Molecular Weight	290.42 g/mol
Synonyms	Dibutyl 3,3'-thiodipropionate; Dibutyl thiodipropionate; DBTP; 3,3'-Thiobispropionic Acid Dibutyl Ester; Butyl 3,3'-thiodipropionate; Dibutyl β,β'-thiodipropionate; Antioxidant DBTDP; CAS 6975-31-1
EINECS	230-222-0

Quality Control

Our Dibutyl 3,3'-Thiobispropionate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and key parameters is provided with each shipment to guarantee consistency and traceability for our global B2B clients.

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 heat sources and incompatible materials. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.468 - 1.472
Density (20°C)	1.05 - 1.07 g/cm³
Acid Value	≤ 1.0 mg KOH/g
Water Content	≤ 0.1%

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