Description

Octyl [3,5-Bis(tert-Butyl)-4-Hydroxyphenyl]Carbamate is a high-performance hindered phenolic antioxidant and light stabilizer. This compound is engineered to provide exceptional long-term thermal and oxidative stability to polymeric materials, preventing degradation and extending product lifespan. It is a critical additive for manufacturers in the plastics, rubber, and coatings industries seeking to enhance the durability and performance of their formulations under demanding environmental conditions.

Application

• Primary antioxidant and light stabilizer for polyolefins such as polyethylene (PE) and polypropylene (PP).
• Stabilizing agent for engineering plastics and thermoplastic elastomers to prevent thermal-oxidative degradation during processing and end-use.
• Additive in adhesives, sealants, and synthetic lubricants to improve oxidative stability.
• Protective component in polymer-based coatings and films to inhibit yellowing and embrittlement caused by UV exposure and heat.
• Stabilizer for rubber compounds to maintain elasticity and prevent cracking.
• Used in the formulation of masterbatches and concentrates for efficient dispersion in polymer matrices.

Basic Information

Product Name	Octyl [3,5-Bis(tert-Butyl)-4-Hydroxyphenyl]Carbamate
CAS No.	58114-34-4
Molecular Formula	C24H41NO3
Molecular Weight	391.59 g/mol
Synonyms	Octyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (common misnomer); 2,6-Di-tert-butyl-4-(octyloxycarbonylamino)phenol; UV-312; Tinuvin 312; CyaSorb UV 312; Phenol, 4-[[(octylamino)carbonyl]oxy]-2,6-bis(1,1-dimethylethyl)-; Light Stabilizer 312; Antioxidant 312
EINECS	Contact for details

Quality Control

Our production of Octyl [3,5-Bis(tert-Butyl)-4-Hydroxyphenyl]Carbamate adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	88 - 92 °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.