Description

1,2-Dihydro-1,2,2,4-Tetramethylquinoline is a versatile quinoline derivative valued for its role as a key intermediate and stabilizer in high-performance industrial applications. Its chemical structure provides excellent antioxidant and antiozonant properties, making it critical for protecting materials from degradation. This compound is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Polymer Stabilizer: Acts as an effective antioxidant and light stabilizer in plastics and synthetic polymers to prevent thermal and UV-induced degradation.
• Rubber Antiozonant: Used in the production of tires and industrial rubber goods to protect against ozone cracking and extend service life.
• Chemical Intermediate: Serves as a crucial building block in the synthesis of more complex agrochemicals, pharmaceuticals, and dyes.
• Fuel and Lubricant Additive: Functions as an antioxidant additive in fuels, oils, and greases to inhibit oxidation and sludge formation.
• Adhesive and Sealant Formulations: Incorporated to improve the aging resistance and durability of high-performance adhesives and sealants.
• Research & Development: Utilized in academic and industrial R&D for studying quinoline chemistry and developing new stabilization technologies.

Basic Information

Item	Detail
Product Name	1,2-Dihydro-1,2,2,4-Tetramethylquinoline
CAS No.	46255-82-7
Molecular Formula	C₁₃H₁₇N
Molecular Weight	187.28 g/mol
Synonyms	1,2,2,4-Tetramethyl-1,2-dihydroquinoline; TMQ; 6-Ethyl-2,2,4-trimethyl-1,2-dihydroquinoline; Antiozonant TMQ; Polymer Stabilizer 46255-82-7; Quinoline, 1,2-dihydro-1,2,2,4-tetramethyl-; ETMQ (common abbreviation)
EINECS	Contact for details

Quality Control

Our 1,2-Dihydro-1,2,2,4-Tetramethylquinoline is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee compliance with your technical requirements.

Storage

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

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.580 - 1.590
Density (20°C)	0.98 - 1.02 g/cm³

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