Description

Benzenepropanoic Acid,3-(1,1-Dimethylethyl)-4-Hydroxy-,Octadecyl Ester is a high-purity synthetic antioxidant ester, valued for its ability to inhibit oxidative degradation in sensitive formulations. This compound is essential for manufacturers requiring long-term stability and protection against thermal and oxidative stress in their products. It is primarily utilized in the polymer, lubricant, and specialty chemical industries where premium additive performance is critical.

Application

• Primary antioxidant and stabilizer in polyolefins (e.g., PP, PE) and other polymers.
• Additive in synthetic lubricants, greases, and industrial oils to prevent oxidation and extend service life.
• Stabilizing agent in adhesives, sealants, and elastomers to maintain performance properties.
• Functional intermediate in the synthesis of more complex antioxidant systems and specialty chemicals.
• Protective additive in coatings and resins to enhance durability and prevent yellowing.
• Used in fuel and gasoline additives to improve oxidation stability.

Basic Information

Product Name	Benzenepropanoic Acid,3-(1,1-Dimethylethyl)-4-Hydroxy-,Octadecyl Ester
CAS No.	110729-26-5
Molecular Formula	C31H54O3
Molecular Weight	474.76 g/mol
Synonyms	Octadecyl 3-(tert-butyl)-4-hydroxyhydrocinnamate; Irganox 1076; 3,5-Di-tert-butyl-4-hydroxyhydrocinnamic acid octadecyl ester; Octadecyl 3,5-di-tert-butyl-4-hydroxyhydrocinnamate; Antioxidant 1076; Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, octadecyl ester; Octadecyl β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid,3-(1,1-Dimethylethyl)-4-Hydroxy-,Octadecyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for assay and purity, to ensure it meets the high standards required for industrial antioxidant applications. Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Melting Point	49 - 55 °C
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm

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