3,3'-Thiodipropionic Acid (CAS 111-17-1): Your Premier Antioxidant Solution
Discover the exceptional antioxidant properties of 3,3'-Thiodipropionic Acid (TDPA), a vital compound for enhancing the stability and longevity of lubricants, oils, and polymers. As a leading manufacturer and supplier in China, we provide high-purity TDPA to meet your industrial needs.
Get a Quote & SampleEnhance Product Stability with High-Purity Thiodipropionic Acid

Thiodipropionic Acid (CAS 111-17-1)
As a trusted supplier of industrial chemicals, we offer high-quality Thiodipropionic Acid (TDPA). Its potent antioxidant capabilities make it an indispensable component in the production of thioester antioxidants for lubricants and oils. Additionally, it serves as a critical stabilizer for polymers, protecting them from degradation. Our commitment as a manufacturer in China ensures competitive pricing and reliable supply for your bulk purchase needs.
- Potent Antioxidant: Neutralize free radicals and prevent oxidative damage in a wide range of industrial products.
- Lubricant and Oil Enhancement: Essential for producing high-performance thioester antioxidants, extending the lifespan of lubricants.
- Polymer Stabilization: Protect polymers like polypropylene and polyethylene from degradation, ensuring product durability.
- High Purity & Reliability: Source your TDPA from a reputable manufacturer for consistent quality and supply chain security.
Key Advantages of Thiodipropionic Acid
Superior Antioxidant Efficacy
TDPA effectively scavenges free radicals and reactive oxygen species, offering robust protection against oxidative degradation for your valuable materials.
Synergistic Performance
When used in combination with phenolic antioxidants, TDPA exhibits synergistic effects, significantly boosting overall antioxidant performance in critical applications.
Versatile Industrial Applications
From stabilizing lubricants and oils to protecting polymers, TDPA offers broad utility across various manufacturing sectors, making it a key buy for industrial formulators.
Applications of Thiodipropionic Acid
Lubricant and Oil Formulation
TDPA is a crucial intermediate for manufacturing thioester antioxidants, enhancing the stability and performance of lubricants and oils against oxidative breakdown.
Polymer Stabilization
As a potent polymer stabilizer, TDPA protects materials like polypropylene and polyethylene from degradation, thereby extending their service life and maintaining their physical properties.
Rubber Industry Use
The antioxidant properties of TDPA are also beneficial in the rubber industry, helping to prevent premature aging and degradation of rubber products.
Food and Feed Applications (as Stabilizer)
TDPA can be used to prevent fats and oils from going rancid, acting as an effective antioxidant in food and feed formulations to maintain quality and shelf life.