Intermediates

Methyl 3-Isocyanatosulfonylthiophene-2-Carboxylate

  • CAS No.79277-18-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity Methyl 3-Isocyanatosulfonylthiophene-2-Carboxylate (CAS 79277-18-2) designed for efficient pesticide intermediate synthesis. Available in bulk quantities with comprehensive quality documentation.

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Product Technical Details

Product Overview

Methyl 3-Isocyanatosulfonylthiophene-2-Carboxylate is a specialized organic compound primarily utilized in the agrochemical industry. This thiophene derivative serves as a critical building block for the synthesis of sulfonylurea herbicides, specifically Thifensulfuron. Our manufacturing process ensures exceptional purity levels, making it an ideal choice for large-scale industrial applications where consistency and reliability are paramount.

As a leading supplier in the fine chemicals sector, we understand the stringent requirements of pesticide formulation. This intermediate is engineered to facilitate efficient reaction pathways, reducing overall production time and waste. The compound features a reactive isocyanate group coupled with a stable ester functionality, allowing for versatile chemical transformations under controlled conditions.

Technical Specifications

ParameterSpecification
CAS Number79277-18-2
Molecular FormulaC7H5NO5S2
Molecular Weight247.25 g/mol
AppearanceColorless oily liquid
Assay (Purity)≥99.0%
Density1.57 g/cm3
Boiling Point381.2°C at 760 mmHg
Flash Point184.3°C
Loss on Drying≤0.5%

Industrial Applications

The primary application of this chemical lies in the production of advanced herbicides. It acts as a key precursor in the manufacturing of Thifensulfuron, a widely used sulfonylurea herbicide effective against broadleaf weeds in soybean crops. The high reactivity of the isocyanatosulfonyl group enables precise coupling reactions necessary for constructing the final active ingredient.

  • Essential intermediate for sulfonylurea herbicide synthesis
  • Used in agricultural chemical manufacturing processes
  • Supports custom organic synthesis projects
  • Compatible with standard industrial reaction vessels

Quality Assurance and Safety

We adhere to strict quality control protocols throughout the production cycle. Every batch undergoes rigorous testing using high-performance liquid chromatography (HPLC) and nuclear magnetic resonance (NMR) to verify identity and purity. A Certificate of Analysis (COA) is provided with every shipment to ensure compliance with international standards.

Regarding safety, this compound should be handled in a well-ventilated environment using appropriate personal protective equipment. Due to the presence of the isocyanate functionality, moisture sensitivity must be managed during storage to prevent degradation. Our packaging solutions are designed to maintain integrity during global transit.

Packaging and Storage

Standard packaging includes 25kg drums, though we offer flexible customization to meet specific logistical requirements. Storage recommendations include keeping the container tightly closed in a cool, dry place away from direct sunlight and moisture sources. Proper storage ensures the material retains its specified properties over extended periods.