Methyl 2-sulfamoyl benzoate is used as a pharmaceutical intermediate, for synthesized herbicide or medicines. Stable supplying of pharmaceutical intermediate, for synthesized herbicide or medicines, with an annual production of 5000 tons. The first plant of such type in Northeast China. High purity, accurate content percentage measured by the HPLC method. Advanced production technology forming a complete automated production line from the initial raw material to the final product. High utility of raw materials and side products, environmentally friendly products with the proper water management system.
CAS number : 57683-71-3
Chemical name: 2-Carbomethoxybenzene sulfonamide
Molecular formula: C8H9NO4S
Molecular Weight: 215.22
Appearance: White or near-white powder, odorless, insoluble in water, and soluble in acetone or ethanol.
Purity (dried content): ≥98%
Weight loss on drying: ≤0.5%
Applications: Methyl 2 aminosulfonyl benzoate is used in pharmaceutical intermediate, for synthesized herbicide such as tribenuron-methyl, and metsulfuron-methyl.
Keep the storage container sealed and stored in a cool, dry place. Ensure good ventilation or exhaust in the workshop
The preparation method is to put saccharin, methanol and a small amount of concentrated sulfuric acid as catalyst in three bottles, stir, heat reflux for 6 hours, steam and remove methanol, add NaHCO3 solution, stir at 50℃ for 30min, reaction pH=8, cool to room temperature, filter, and dry the finished product.
Do not allow undiluted or large quantities of products to come into contact with groundwater, waterways, or sewage systems. Do not discharge materials into the surrounding environment without government's permission.
If used and stored in accordance with specifications, it will not decompose and there is no known risk response.
We are a leading factory of methyl 2 aminosulfonyl benzoate in the market, supplying to 90% of the Chinese market； This product is also adopted by the outsourced manufacturers for DuPont.