Description

1,2-Dihydro-2,2,4-Trimethylquinoline CAS NO 147-47-7 is a versatile quinoline derivative widely recognized as a highly effective antioxidant and antiozonant in polymer science. Its primary value lies in its ability to protect rubber and plastic materials from oxidative and ozone-induced degradation, thereby significantly extending product lifespan. This compound is essential for manufacturers in the rubber, polymer, and specialty chemical industries seeking to enhance the durability and performance of their formulations.

Application

• Rubber Antioxidant/Antiozonant: A key additive in the production of synthetic rubbers (e.g., SBR, NBR) and natural rubber to prevent cracking and aging caused by oxygen and ozone exposure.
• Polymer Stabilizer: Used to protect various plastics and polymeric materials from thermal and oxidative degradation during processing and in-service use.
• Fuel & Lubricant Additive: Functions as an antioxidant in fuels, oils, and greases to inhibit gum formation and maintain fluid stability.
• Chemical Intermediate: Serves as a precursor in the synthesis of more complex quinoline-based compounds for agrochemicals and pharmaceuticals.
• Adhesive & Sealant Formulations: Incorporated to improve the aging resistance and long-term elasticity of adhesive and sealant products.
• Wire & Cable Insulation: Protects the polymeric insulation materials in electrical cables from environmental degradation.

Basic Information

Product Name	1,2-Dihydro-2,2,4-Trimethylquinoline
CAS No.	147-47-7
Molecular Formula	C12H15N
Molecular Weight	173.25 g/mol
Synonyms	2,2,4-Trimethyl-1,2-dihydroquinoline; TMQ; Polymerized 2,2,4-Trimethyl-1,2-dihydroquinoline; Antiozonant TMQ; Flectol TMQ; Flectol H; Vulkanox HS; Antioxidant RD; 1,2-Dihydro-2,2,4-trimethylquinoline oligomer
EINECS	205-691-0

Quality Control

Our 1,2-Dihydro-2,2,4-Trimethylquinoline is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key 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, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Light yellow to amber flakes or powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Melting Point	80 - 95 °C
Ash Content	≤ 0.5%
Volatile Matter	≤ 1.0%

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