Description

Dilauryl Thiodipropionate is a high-performance antioxidant and stabilizer widely used in polymer and food packaging applications. Its primary value lies in its ability to effectively inhibit oxidative degradation, thereby extending the service life and maintaining the properties of sensitive materials. This compound is essential for manufacturers in the plastics, rubber, and food contact material industries seeking to enhance product durability and safety.

Application

• Primary antioxidant and stabilizer for polyolefins, including polyethylene (PE) and polypropylene (PP).
• Synergistic component in stabilizer systems for synthetic rubbers and elastomers to prevent heat aging.
• Additive in food-grade polymers and adhesives for packaging to meet regulatory compliance for indirect food contact.
• Stabilizing agent for lubricants and greases to prevent oxidation under high-temperature operating conditions.
• Used in the production of polyurethane (PU) foams and other specialty polymers to maintain color and physical properties.
• Component in cable and wire insulation compounds to protect against thermal and oxidative stress.

Basic Information

Product Name	Dilauryl Thiodipropionate
CAS No.	53571-83-8
Molecular Formula	C30H58O4S
Molecular Weight	514.8 g/mol
Synonyms	DLTDP; Didodecyl 3,3'-thiodipropionate; Dilauryl 3,3'-thiodipropionate; Thiodipropionic acid dilauryl ester; Bis(lauryl) 3,3'-thiodipropionate; Antioxidant DLTDP; Laurox; CAS 53571-83-8
EINECS	258-597-5

Quality Control

Our Dilauryl Thiodipropionate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance specifications. A comprehensive Certificate of Analysis (COA) detailing assay, purity, and physical parameters is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized and should be kept under an inert atmosphere after opening to maintain efficacy. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White flakes or powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	39 - 42 °C
Acid Value	≤ 1.0 mg KOH/g
Sulfur Content	5.8 - 6.4 %
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5 %

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