Description

3,4,5-Trimethylphenol is a versatile alkylated phenol derivative, serving as a critical intermediate in the synthesis of high-value fine chemicals and functional materials. Its sterically hindered phenolic structure makes it a valuable building block for antioxidants, polymer stabilizers, and specialty resins. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and polymer additive industries seeking to develop products with enhanced performance and stability.

Application

• Antioxidant & Stabilizer Precursor: A key intermediate in the synthesis of high-performance phenolic antioxidants for plastics, rubber, and fuels to prevent oxidative degradation.
• Agrochemical Synthesis: Used in the manufacture of certain herbicides, fungicides, and plant growth regulators, leveraging its phenolic core for bioactive molecule construction.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Resin & Polymer Modification: Employed in the production of specialty phenolic resins, epoxy hardeners, and other polymers to modify properties like cross-linking density and thermal stability.
• Dye & Pigment Intermediate: Utilized in the synthesis of certain dyes and organic pigments due to its reactive phenolic group.
• Chemical Research & Development: Acts as a standard or starting material in organic synthesis and catalysis research within R&D laboratories.

Basic Information

Product Name	3,4,5-Trimethylphenol
CAS No.	70969-66-3
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	3,4,5-Trimethylphenol; 1-Hydroxy-3,4,5-trimethylbenzene; Phenol, 3,4,5-trimethyl-; 3,4,5-TMP; Trimethylhydroxybenzene; Vicinal-Trimethylphenol; Sym-Trimethylphenol
EINECS	Contact for details

Quality Control

Our 3,4,5-Trimethylphenol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed results from GC, HPLC, and NMR analyses. Our quality commitment aligns with cGMP principles where applicable, ensuring the material meets the stringent requirements of advanced synthesis and manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature as an easily oxidized compound, 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 structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	90 - 94 °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.