Description

3,5-Di-tert-Butyl-4-Hydroxyacetophenone is a high-purity phenolic compound widely recognized as a key intermediate and antioxidant precursor. Its molecular structure makes it valuable for synthesizing advanced polymer additives and light stabilizers, which are critical for enhancing material durability. This product is essential for manufacturers in the polymer, plastics, and specialty chemical industries seeking to improve product longevity and performance under demanding conditions.

Application

• Antioxidant Intermediate: A crucial building block for the synthesis of high-performance phenolic antioxidants used in plastics and rubber.
• Polymer Additive Precursor: Used in the manufacture of light stabilizers and other additives for polyolefins (e.g., PP, PE), PVC, and engineering plastics.
• Fine Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Lubricant & Fuel Additive: Employed in the production of additives that prevent oxidation and degradation in industrial lubricants and fuels.
• UV Stabilizer Component: Integral to the production of Hindered Amine Light Stabilizer (HALS) synergists for enhanced weatherability.
• Research & Development: Used in academic and industrial R&D for studying antioxidant mechanisms and developing new stabilization systems.

Basic Information

Product Name	3,5-Di-tert-Butyl-4-Hydroxyacetophenone
CAS No.	14035-33-7
Molecular Formula	C16H24O2
Molecular Weight	248.36 g/mol
Synonyms	1-(3,5-Di-tert-butyl-4-hydroxyphenyl)ethanone; 4'-Hydroxy-3',5'-di-tert-butylacetophenone; DBHA; Acetophenone, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-; 3,5-Di-tert-butyl-4-hydroxyacetophenone; Ethanone, 1-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-; Antioxidant Intermediate 144
EINECS	237-855-4

Quality Control

Our 3,5-Di-tert-Butyl-4-Hydroxyacetophenone is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific application requirements.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	190°C - 195°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.