Description

Benzene,1-(1-Methylethenyl)-2 is a specialized aromatic hydrocarbon derivative, identified by CAS No. 5557-93-7. This compound serves as a valuable intermediate in fine chemical synthesis, prized for its reactive vinyl group attached to the benzene ring. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Chemistry: Acts as a monomer or co-monomer in the production of specialty polymers, coatings, and adhesives.
• Fine Chemical Manufacturing: Employed in the multi-step synthesis of dyes, fragrances, and other high-value organic compounds.
• Material Science Research: Serves as a precursor in the development of novel organic electronic materials and liquid crystals.
• Cross-coupling Reactions: A useful substrate in palladium-catalyzed reactions like Heck, Suzuki, or Stille couplings for C-C bond formation.

Basic Information

Product Name	Benzene,1-(1-Methylethenyl)-2
CAS No.	5557-93-7
Molecular Formula	C10H10
Molecular Weight	130.19 g/mol
Synonyms	2-Vinyltoluene; o-Methylstyrene; 1-Methyl-2-vinylbenzene; 2-Methylstyrene; ortho-Methylstyrene; Vinyltoluene, mixed isomers (primary component); Toluene, 2-vinyl-; Benzene, 1-ethenyl-2-methyl-
EINECS	226-905-7

Quality Control

Our Benzene,1-(1-Methylethenyl)-2 is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.5%
Water Content (KF)	≤ 0.1%
Related Substances (GC)	Total impurities ≤ 2.0%
Refractive Index	1.540 - 1.545
Density (20°C)	0.900 - 0.910 g/mL

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