Description

1,1-Dimethyl-2-Propenylbenzene is a specialized aromatic hydrocarbon derivative with a unique gem-dimethyl substituted propenyl side chain. This structural motif makes it a valuable intermediate in organic synthesis, particularly for introducing sterically hindered aromatic units. It is primarily sought after by research and development laboratories and fine chemical manufacturers for applications in pharmaceuticals, agrochemicals, and advanced material science. The compound with CAS number 18321-36-3 is supplied to meet the stringent purity requirements of these industries.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring bulky, lipophilic aromatic groups.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can contribute to specific biological activity and stability.
• Material Science Research: Acts as a monomer or precursor in the development of specialty polymers, resins, and liquid crystals with tailored properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Friedel-Crafts alkylation, cross-coupling reactions, and other transformations to create complex molecular architectures.
• Fragrance and Flavor Chemistry: Investigated as a potential intermediate for synthesizing unique aromatic compounds due to its substituted benzene core.

Basic Information

Product Name	1,1-Dimethyl-2-Propenylbenzene
CAS No.	18321-36-3
Molecular Formula	C11H14
Molecular Weight	146.23 g/mol
Synonyms	α,α-Dimethylstyrene; 2-Methyl-1-phenyl-1-propene; 1,1-Dimethyl-2-phenylethene; Isopropenylbenzene, 2-methyl-; (1-Methylvinyl)benzene, α-methyl-; Benzene, (1-methylvinyl)-, α-methyl-; α-Methyl-α-vinyltoluene
EINECS	Contact for details

Quality Control

Our 1,1-Dimethyl-2-Propenylbenzene is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with key parameters such as assay (by GC or HPLC), identity confirmation (by IR or NMR), and impurity profile. Specifications can be aligned with research-grade or custom synthesis requirements upon request.

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, sparks, and open flames. For long-term storage, consider under an inert atmosphere to maintain purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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