Description

Phenol, 3,5-Dimethyl-4-(1-Methylethyl)- (9Ci) is a substituted phenol derivative, valued for its sterically hindered phenolic structure which provides excellent antioxidant and stabilizing properties. This compound is a critical intermediate in the synthesis of high-performance antioxidants, polymer stabilizers, and specialty fine chemicals. It is primarily sought by manufacturers in the polymer, lubricant, and agrochemical industries for developing products with enhanced durability and resistance to oxidative degradation.

Application

• Primary Intermediate for Antioxidants: Key building block in the synthesis of sterically hindered phenolic antioxidants (e.g., BHT analogs) for plastics, rubber, and fuels.
• Polymer Stabilizer Precursor: Used to manufacture additives that prevent thermal and oxidative degradation in polyolefins, PVC, and engineering polymers.
• Lubricant and Oil Additive: Serves as a precursor for additives that improve the oxidation stability and extend the service life of industrial lubricants and hydraulic fluids.
• Agrochemical Synthesis: Intermediate in the production of certain pesticides, herbicides, and plant growth regulators.
• Pharmaceutical Intermediate: Used in research and development for synthesizing novel bioactive molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical and Fragrance Ingredient: Employed in the synthesis of complex organic molecules for flavors, fragrances, and other specialty applications.

Basic Information

Product Name	Phenol, 3,5-Dimethyl-4-(1-Methylethyl)- (9Ci)
CAS No.	87074-74-6
Molecular Formula	C11H16O
Molecular Weight	164.24 g/mol
Synonyms	4-Isopropyl-3,5-dimethylphenol; 3,5-Dimethyl-4-isopropylphenol; 2,6-Dimethyl-4-isopropylphenol; Phenol, 4-(1-methylethyl)-3,5-dimethyl-; Thymol isomer; 4-Isopropyl-3,5-xylenol; 3,5-Dimethyl-4-(propan-2-yl)phenol (IUPAC); 87074-74-6
EINECS	Contact for details

Quality Control

Our Phenol, 3,5-Dimethyl-4-(1-Methylethyl)- (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for fine chemical intermediates. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

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.