Description

3,5-Di-tert-Butyl-4-Hydroxybenzylamine is a sterically hindered phenolic amine derivative, serving as a versatile intermediate and functional additive. Its molecular structure provides excellent antioxidant and stabilizing properties, making it valuable for protecting materials from oxidative degradation. This compound is primarily utilized by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and light stabilizer in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, and fuels to inhibit sludge formation, reduce viscosity increase, and extend operational life.
• Chemical Intermediate: A key building block for synthesizing more complex hindered amine light stabilizers (HALS), other phenolic antioxidants, and specialty surfactants.
• Adhesive & Sealant Formulations: Incorporated to improve the thermal stability and prevent embrittlement of hot-melt adhesives, epoxy resins, and polyurethane systems.
• Coating Additive: Enhances the weatherability and color retention of industrial and automotive coatings by scavenging free radicals formed upon UV exposure.
• Elastomer Protection: Protects synthetic elastomers like SBR and NBR from ozone and oxygen-induced cracking and loss of mechanical properties.

Basic Information

Product Name	3,5-Di-tert-Butyl-4-Hydroxybenzylamine
CAS No.	724-46-9
Molecular Formula	C15H25NO
Molecular Weight	235.37 g/mol
Synonyms	4-(Aminomethyl)-2,6-di-tert-butylphenol; Benzenemethanamine, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-; 2,6-Di-tert-butyl-4-(aminomethyl)phenol; 4-Hydroxy-3,5-di-tert-butylbenzylamine; DTBA; Antioxidant 703; CAS 724-46-9
EINECS	211-983-0

Quality Control

Our 3,5-Di-tert-Butyl-4-Hydroxybenzylamine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. A Certificate of Analysis (COA) detailing key specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 (e.g., nitrogen) to maintain optimal quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	138°C - 142°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.