Skip to content
Product Line: Pharmaceutical Chemicals

Sulfamethazine sodium salt

CAS 1981-58-4

Molecular structure of Sulfamethazine sodium salt

CAS · 1981-58-4

01

Product Overview

Sulfamethazine sodium salt is a high-purity a-api supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Grade BP2002
Appearance White or creamy white crystals or powder
Assay (dried basis) 99.0%–101.0%
Solubility Freely soluble in water, sparingly soluble in ethanol (96%)
Identification A The IR spectrum of the sample corresponds to the IR spectrum of the RS
Identification B Is the first identification of aromatic amines
Identification C Test for sodium
Melting Range 197°C–200°C
Clarity of Solution Clear
Color of Solution Not more than Reference solution Y
pH 10.0–11.0
Related Substances – Total Impurities 0.5% max
Loss on Drying 2.0% max
03

Applications

Sulfamethazine sodium salt is a water-soluble sulfonamide antibiotic widely used in veterinary medicine, animal husbandry, and pharmaceutical research. It is primarily applied to prevent and treat bacterial infections in livestock and poultry, particularly those caused by Gram-positive and Gram-negative bacteria. Its rapid solubility in water makes it suitable for oral administration via drinking water or feed, enabling efficient dosing and uniform distribution in large-scale animal populations. In pharmaceutical research, sulfamethazine sodium salt serves as a reference compound for studying sulfonamide mechanisms, drug interactions, and resistance patterns. It is also used in combination with other antibiotics to enhance antimicrobial spectrum or efficacy, and in microbiological studies for selective inhibition of bacterial strains in culture systems. Additionally, it can be incorporated into formulations designed for controlled release, allowing extended therapeutic effects while minimizing frequent dosing.

04

Benefits

The benefits of sulfamethazine sodium salt stem from its high solubility, stability, and broad antimicrobial activity. Its water solubility allows for flexible administration in liquid formulations and ensures rapid absorption, resulting in effective systemic distribution. The compound exhibits strong inhibitory activity against a variety of bacterial pathogens by interfering with folic acid synthesis, a key process for bacterial growth and replication. Its sodium salt form enhances chemical stability and shelf-life, reducing degradation during storage and handling. The compound is compatible with other pharmaceutical excipients and can be incorporated into combination therapies or veterinary formulations. These properties make it highly efficient in preventing bacterial infections, improving animal health, and supporting optimized dosing strategies in livestock management.

05

Conclusion

Sulfamethazine sodium salt is a highly versatile sulfonamide antibiotic used in veterinary medicine, pharmaceutical research, and microbiological applications. Its water solubility, stability, and broad-spectrum antibacterial activity enable effective prevention and treatment of infections, while allowing flexible formulation options for oral administration and combination therapies. By supporting improved animal health, efficient drug delivery, and reliable research outcomes, sulfamethazine sodium salt remains an essential compound in veterinary pharmaceuticals and scientific studies related to antimicrobial therapy.

Previous

Prednisolone Phosphate Sodium丨CAS 125-02-0

Next

Amoxicillin丨CAS 26787-78-0