Description

4-Amino-2,6-Di-tert-Butylphenol is a sterically hindered phenolic amine, widely recognized for its dual functionality as an antioxidant and a key synthetic intermediate. This compound matters for its ability to inhibit oxidative degradation in polymers and fuels, thereby extending material lifespan and performance stability. It is primarily needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product durability.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and anti-aging agent in polyolefins (e.g., polyethylene, polypropylene), synthetic rubbers, and engineering plastics to prevent thermal and oxidative degradation during processing and service life.
• Fuel & Lubricant Additive: Used in gasoline, diesel, and industrial lubricants to inhibit gum formation, control viscosity increase, and protect against oxidation, ensuring engine cleanliness and operational efficiency.
• Chemical Intermediate: Serves as a crucial building block for synthesizing more complex hindered amine light stabilizers (HALS), other phenolic antioxidants, and specialty dyes.
• Rubber Industry: Protects synthetic and natural rubber compounds from ozone cracking and flex-cracking by scavenging free radicals generated during exposure to heat and oxygen.
• Adhesive & Sealant Formulations: Incorporated to improve the long-term thermal stability and prevent the embrittlement of hot-melt and reactive adhesives.
• Cosmetic & Personal Care Stabilizer: Employed in specific formulations to stabilize ingredients susceptible to oxidative rancidity, though subject to regional regulatory approvals.

Basic Information

Product Name	4-Amino-2,6-Di-tert-Butylphenol
CAS No.	950-58-3
Molecular Formula	C14H23NO
Molecular Weight	221.34 g/mol
Synonyms	2,6-Di-tert-butyl-4-aminophenol; DBAP; 4-Amino-2,6-di-tert-butylphenol; Phenol, 4-amino-2,6-bis(1,1-dimethylethyl)-; Antioxidant 705; Butylated hydroxyaniline; 2,6-Di-tert-butyl-p-aminophenol; 4-Hydroxy-3,5-di-tert-butylaniline
EINECS	213-448-7

Quality Control

Our production of 4-Amino-2,6-Di-tert-Butylphenol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 maintaining under an inert atmosphere (e.g., nitrogen) to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	96 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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