Description

4,6-Bis[1-(4-Hydroxyphenyl)-1-Methylethyl]-1,3-Benzenediol is a high-purity phenolic compound of significant industrial interest. Its unique molecular structure, featuring multiple phenolic hydroxyl groups, makes it a valuable intermediate and functional additive in advanced material synthesis. This product is essential for manufacturers in the polymer and specialty chemical sectors seeking to enhance material performance and stability.

Application

• Polymer Stabilizer/Antioxidant: Acts as a high-performance phenolic antioxidant in engineering plastics, synthetic rubbers, and elastomers to prevent thermal and oxidative degradation.
• Epoxy Resin Modifier: Serves as a curing agent or toughening modifier to improve the thermal and mechanical properties of epoxy resin systems.
• Pharmaceutical Intermediate: Utilized in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) due to its reactive phenolic sites.
• UV Absorber/Stabilizer Precursor: Used in the production of additives for coatings, adhesives, and films to protect against ultraviolet light-induced degradation.
• Specialty Chemical Synthesis: Functions as a key building block for synthesizing dyes, pigments, and other fine chemicals.
• Cross-linking Agent: Employed in the formulation of high-temperature resistant polymers and composite materials.

Basic Information

Product Name	4,6-Bis[1-(4-Hydroxyphenyl)-1-Methylethyl]-1,3-Benzenediol
CAS No.	147504-92-5
Molecular Formula	C30H30O4
Molecular Weight	454.56 g/mol
Synonyms	4,6-Bis(alpha,α-dimethyl-4-hydroxybenzyl)resorcinol; 4,6-Bis(2-(4-hydroxyphenyl)propan-2-yl)benzene-1,3-diol; Phenolic Antioxidant 300; Bisphenol-Type Resorcinol Derivative; 1,3-Benzenediol, 4,6-bis[1-(4-hydroxyphenyl)-1-methylethyl]-; AO-300 (common industry abbreviation); Tetramethyl bisphenol resorcinol
EINECS	Contact for details

Quality Control

Our production of 4,6-Bis[1-(4-Hydroxyphenyl)-1-Methylethyl]-1,3-Benzenediol 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 industry standards. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, prolonged storage under an inert atmosphere (e.g., nitrogen) is recommended for optimal long-term stability. 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°C - 195°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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