Description

3,6,8-Tris ( 1,1-Dimethylethyl ) -2-Naphalenol is a sterically hindered phenolic compound, valued for its role as a high-performance antioxidant and stabilizer in polymer systems. Its molecular structure provides excellent protection against thermal and oxidative degradation, extending the service life of sensitive materials. This product is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance product durability.

Application

• Primary antioxidant and stabilizer in polyolefins (e.g., polyethylene, polypropylene).
• Additive for synthetic rubbers and elastomers to prevent chain scission and cross-linking.
• Stabilizing component in lubricants, greases, and industrial fluids to inhibit oxidation.
• Intermediate in the synthesis of more complex hindered phenol antioxidants.
• Protective agent in adhesive and sealant formulations to maintain performance.
• Used in research and development of novel polymer compositions and stabilization packages.

Basic Information

Product Name	3,6,8-Tris ( 1,1-Dimethylethyl ) -2-Naphalenol
CAS No.	91928-41-5
Molecular Formula	C22H30O
Molecular Weight	310.48 g/mol
Synonyms	2-Naphthalenol, 3,6,8-tris(1,1-dimethylethyl)-; 3,6,8-Tri-tert-butyl-2-naphthol; 2,6,8-Tri-tert-butylnaphthalen-1-ol; Tris(tert-butyl)naphthol; AO-20; Antioxidant 20; Tri-tert-butyl naphthol; Hindered phenolic antioxidant AO-20
EINECS	Contact for details

Quality Control

Our 3,6,8-Tris ( 1,1-Dimethylethyl ) -2-Naphalenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting all critical quality 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 and should be stored under an inert atmosphere such as nitrogen for long-term preservation. 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	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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