Description

p-(3,4-Dihydro-2,2,4-Trimethyl-2H-1-Benzopyran-4-Yl)Phenol is a specialized phenolic compound belonging to the chroman family, valued for its unique molecular structure that serves as a key building block in advanced synthesis. This chemical matters for its role as a versatile intermediate in the production of high-performance antioxidants and light stabilizers, which are critical for enhancing the durability and lifespan of polymers and other materials. Industries involved in polymer manufacturing, specialty chemical synthesis, and material science require this compound to develop products with superior resistance to oxidative and UV degradation.

Application

• Polymer Additive Intermediate: A crucial precursor for synthesizing high-efficiency hindered phenol antioxidants used in plastics, rubbers, and synthetic fibers to prevent thermal and oxidative degradation.
• Light Stabilizer Synthesis: Serves as a key starting material in the manufacture of UV absorbers and Hindered Amine Light Stabilizers (HALS) for coatings, automotive parts, and agricultural films.
• Pharmaceutical Intermediate: Utilized in the research and development of novel therapeutic agents, particularly those exploring the biological activity of chroman derivatives.
• Specialty Chemical Manufacturing: Employed in the synthesis of complex molecules for agrochemicals, dyes, and other fine chemicals requiring a substituted phenolic core.
• Lubricant and Fuel Additive: Used to develop antioxidant additives that improve the stability and performance of industrial lubricants and fuels.
• Material Science Research: Acts as a model compound or monomer in academic and industrial research focused on new polymeric materials with enhanced properties.

Basic Information

Item	Detail
Product Name	p-(3,4-Dihydro-2,2,4-Trimethyl-2H-1-Benzopyran-4-Yl)Phenol
CAS No.	472-41-3
Molecular Formula	C18H20O2
Molecular Weight	268.35 g/mol
Synonyms	4-(3,4-Dihydro-2,2,4-trimethyl-2H-1-benzopyran-4-yl)phenol; 4-(2,2,4-Trimethylchroman-4-yl)phenol; Phenol, p-(3,4-dihydro-2,2,4-trimethyl-2H-1-benzopyran-4-yl)-; 2H-1-Benzopyran-4-ol, 3,4-dihydro-2,2,4-trimethyl-4-(4-hydroxyphenyl)-; Chroman-4-ylphenol derivative; Antioxidant Intermediate AO-80; Light Stabilizer Precursor
EINECS	207-447-5

Quality Control

Our p-(3,4-Dihydro-2,2,4-Trimethyl-2H-1-Benzopyran-4-Yl)Phenol is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., 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	118°C - 122°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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