Intermediates

1-Phenylsemicarbazide

  • CAS No.103-03-7
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-Phenylsemicarbazide (CAS 103-03-7), a key intermediate in the synthesis of organophosphorus pesticides such as Triazophos.

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Product Technical Details

Product Overview

1-Phenylsemicarbazide (CAS 103-03-7) is a high-purity organic compound widely utilized as a critical chemical intermediate in agrochemical manufacturing. Also known by its synonym anilinourea, this white to off-white crystalline powder serves as a foundational building block in the synthesis of triazole-derived pesticides, particularly Triazophos (CAS 24017-47-8). Our product meets stringent quality standards with an assay of ≥98.0%, ensuring reliability and consistency for industrial-scale applications.

Specifications

Molecular FormulaC₇H₉N₃O
Molecular Weight151.17 g/mol
Melting Point171–174 °C (lit.)
Density1.275 g/cm³
Refractive Index1.601
AppearanceWhite to off-white powder
Assay≥98.0%

Industrial Applications

As a specialized intermediate in pesticide chemistry, 1-Phenylsemicarbazide plays an essential role in the multi-step synthesis of Triazophos—an organophosphate insecticide used in crop protection. Its reactivity and structural features make it suitable for condensation and cyclization reactions in heterocyclic compound formation. This compound is not intended for direct use in final formulations but is integral to efficient, scalable manufacturing processes in the agrochemical sector.

  • High chemical purity ensures optimal reaction yields
  • Consistent physical properties support reliable downstream processing
  • Compliant with international standards for industrial intermediates
  • Available in flexible packaging options to meet diverse logistical needs

Handling and Storage

Store in a cool, dry, and well-ventilated area away from incompatible materials. Keep container tightly closed to prevent moisture absorption. Standard industrial hygiene practices should be followed during handling.