Intermediates

1-Methyl-3-phenylthiourea

  • CAS No.2724-69-8
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-Methyl-3-phenylthiourea (CAS 2724-69-8), a key intermediate in the synthesis of herbicidal active ingredients such as methabenzthiazuron.

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Product Technical Details

Product Overview

1-Methyl-3-phenylthiourea is a high-value organic thiourea derivative widely employed as a chemical intermediate in agrochemical synthesis. With a molecular formula of C8H10N2S and a molecular weight of 166.24 g/mol, this compound exhibits excellent reactivity and selectivity in heterocyclic transformations. It serves as a critical building block in the production of 2-methylaminobenzothiazole, which is subsequently used to manufacture the selective herbicide methabenzthiazuron (CAS 18691-97-9).

Specifications

Molecular FormulaC8H10N2S
Molecular Weight166.24 g/mol
CAS Number2724-69-8
Melting Point113°C
Boiling Point247.4°C at 760 mmHg
Density1.194 g/cm³
LogP2.07
Vapor Pressure0.0257 mmHg at 25°C
AppearanceFlake crystal
Assay≥99.0%
Loss on Drying≤0.5%

Industrial Applications

This compound is exclusively utilized as a synthetic intermediate in the agrochemical industry. Its primary application lies in the multi-step preparation of benzothiazole-based herbicides. Due to its defined reactivity profile and high purity, it enables efficient and scalable manufacturing processes under controlled industrial conditions.

  • Serves as a precursor to 2-methylaminobenzothiazole
  • Enables cost-effective synthesis of methabenzthiazuron
  • Compatible with standard batch reactor systems
  • Supplied with full analytical documentation including COA

Handling and Storage

Store in a cool, dry, and well-ventilated area. Keep container tightly closed to prevent moisture absorption and degradation. Standard industrial hygiene practices should be followed during handling. Packaging is typically provided in 25 kg drums, with custom configurations available upon request.