Description

3-Methyl-2,5-Diisopropylphenol is a specialized phenolic compound valued for its sterically hindered structure, which imparts unique chemical properties. This compound is a critical intermediate in the synthesis of high-performance antioxidants and polymer stabilizers, where its ability to scavenge free radicals is essential. It serves the needs of manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance the longevity and stability of their products.

Application

• Primary Antioxidant Intermediate: A key building block in the synthesis of hindered phenolic antioxidants (e.g., BHT analogs) for plastics and rubber.
• Polymer Stabilizer: Used to produce additives that prevent thermal and oxidative degradation in polyolefins, such as polyethylene and polypropylene.
• Lubricant & Fuel Additive: Incorporated into formulations to inhibit oxidation and sludge formation in industrial oils and fuels, extending service life.
• Chemical Synthesis: Serves as a versatile precursor in organic synthesis for creating more complex, functionalized phenolic compounds.
• Pharmaceutical Intermediates: Potential use in the synthesis of certain active pharmaceutical ingredients (APIs) requiring sterically hindered phenol motifs.

Basic Information

Product Name	3-Methyl-2,5-Diisopropylphenol
CAS No.	76138-70-0
Molecular Formula	C13H20O
Molecular Weight	192.30 g/mol
Synonyms	2,5-Diisopropyl-3-methylphenol; 3-Methyl-2,5-bis(1-methylethyl)phenol; Phenol, 3-methyl-2,5-diisopropyl-; 2,5-Diisopropyl-m-cresol; m-Cresol, 2,5-diisopropyl-; 76138-70-0; 3-Methyl-2,5-diisopropyl-phenol
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-2,5-Diisopropylphenol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting key specifications are provided as standard, ensuring full traceability and compliance with customer and industry requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.