Description

2,2-Dimethyl-1,2-Dihydro-Quinoline is a versatile quinoline derivative with a partially hydrogenated structure, serving as a key intermediate and functional additive in advanced chemical synthesis. Its value lies in its ability to act as an effective antioxidant and stabilizer, protecting materials from degradation caused by oxidation and heat. This compound is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance product longevity and performance. Reliable sourcing of high-purity material is critical for ensuring consistent results in demanding applications.

Application

• Polymer & Rubber Antioxidant: Functions as a highly effective non-staining antioxidant and stabilizer in the production of synthetic rubbers, latex, and various polymers to prevent chain scission and maintain elasticity.
• Chemical Intermediate: Serves as a crucial building block in organic synthesis for the preparation of more complex quinoline-based pharmaceuticals, agrochemicals, and dyes.
• Fuel & Lubricant Additive: Used as an antioxidant additive in fuels, oils, and greases to inhibit gum formation and oxidative degradation, extending the functional life of the fluids.
• Photostabilizer: Employed in coatings, plastics, and other materials susceptible to UV light degradation to improve weatherability and color fastness.
• Corrosion Inhibitor: Applied in protective coatings and metalworking fluids to provide a protective layer and mitigate corrosion processes.

Basic Information

Product Name	2,2-Dimethyl-1,2-Dihydro-Quinoline
CAS No.	14465-61-3
Molecular Formula	C11H13N
Molecular Weight	159.23 g/mol
Synonyms	2,2,4-Trimethyl-1,2-dihydroquinoline (common name); 2,2-Dimethyl-1,2-dihydroquinoline; DMDHQ; Quinoline, 1,2-dihydro-2,2-dimethyl-; Antioxidant DMDHQ; Polymer Stabilizer 14465-61-3; Antiozonant DMDHQ; Light stabilizer 14465-61-3
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-1,2-Dihydro-Quinoline is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by HPLC and identification by FTIR, to ensure it meets precise specifications for purity and performance. Certificates of Analysis (COA) documenting all critical quality parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources, open flames, and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 0.5%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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