Description

Dmst CAS NO 66840-71-9 is a high-purity chemical intermediate known for its specific reactivity and functional properties. This compound is valued for its role in facilitating complex synthetic pathways, enabling the production of advanced materials and fine chemicals. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for research, development, and commercial-scale synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other drug substances.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor in the manufacture of dyes, pigments, and performance chemicals.
• Material Science Research: Employed in R&D for developing novel polymers and advanced organic materials.
• Laboratory Reagent: Utilized as a specialized reagent in analytical and synthetic chemistry laboratories.

Basic Information

Product Name	Dmst
CAS No.	66840-71-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Dmst; 66840-71-9; 2,4-Dimethylstyrene; 1-Ethenyl-2,4-dimethylbenzene; 2,4-Dimethylvinylbenzene; 2,4-Dimethylstyrol; Vinyl-2,4-dimethylbenzene; (2,4-Dimethylphenyl)ethene
EINECS	Contact for details

Quality Control

Our Dmst CAS NO 66840-71-9 is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	≤ 2.0% total

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