o-Carbomethoxybenzyl sulfonamide NEW

Appearance and properties: white crystal

Density: 1.361 g/cm3

Boiling point: 429.8ºC at 760 mmHg

Melting point: 100 °C

Flash point: 213.7ºC

Refractive index: 1.566

Vapor pressure: 1.37E-07mmHg at 25°C

Production method

The preparation method is to add benzene and toluene in the reaction kettle, stir, and then add o-methoxycarbonyl benzyl  sulfonyl chloride, and cool to below 10℃, through ammonia gas, the reaction is maintained below 30℃, through ammonia gas for about 3h, sampling analysis, the end of the ammonia gas, discharge filtration, filter cake further washing, filtering, drying finished products.

Use

O-methoxycarbonyl benzyl sulfonamide is an intermediate of the herbicide benzsulfuron.