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Product Line: Pharmaceutical Chemicals

Sodium sulfadiazine

CAS 547-32-0

Molecular structure of Sodium sulfadiazine

CAS · 547-32-0

01

Product Overview

Sodium sulfadiazine 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

Item Specification
Grade USP43
Appearance White or almost white crystalline or powder
Assay (calculated on the dried basis) 99% to 100.5%
Identification A The infrared absorption spectrum concordant with the spectrum of sulfadiazine CRS
Identification B Test for sodium
Solubility Freely soluble in water, slightly soluble in alcohol
Heavy Metals 10 ppm max
Melting Range 250°C to 254°C
Clarity of the Solution Clear
pH 9.6 to 10.5
Selenium 30 ppm max
Loss on Drying 0.5% max
03

Applications

1. Human Medicine

a. Antibacterial Agent

● Sodium sulfadiazine丨CAS 547-32-0 is effective against a wide range of Gram-positive and Gram-negative bacteria, especially Streptococcus, E. coli, and some strains of Haemophilus.

● Often used in urinary tract infections, respiratory infections, and toxoplasmosis when combined with pyrimethamine.

b. Alternative to Silver Sulfadiazine

● In certain formulations, sodium sulfadiazine may be used where silver-based creams are contraindicated.

● Also explored in systemic infections requiring soluble sulfonamide forms.

2. Veterinary Medicine

● Used to treat bacterial infections in livestock (e.g., pigs, cattle, poultry) and companion animals.

● Often included in feed additives or injectable solutions for treating enteritis, pneumonia, and wound infections in animals.

3. Pharmaceutical Formulations

● Acts as an active pharmaceutical ingredient (API) in the production of:
Injectable antibiotics
Oral sulfonamide tablets
Eye drops and topical antimicrobial preparations

04

Benefits

√ Broad-Spectrum Antibacterial Activity

● Effective against a wide variety of bacterial pathogens by inhibiting folic acid synthesis, an essential process in bacterial metabolism.

√ Water-Soluble Salt Form

● The sodium salt improves bioavailability and allows parenteral (injectable) administration, particularly in patients who cannot take oral medication.

√ Useful in Combination Therapy

● Used with pyrimethamine to treat toxoplasmosis and malaria, taking advantage of synergistic inhibition of microbial folate pathways.

√ Cost-Effective and Widely Available

● Generic and affordable, making it a staple antibiotic in resource-limited settings or veterinary practices.

√ Veterinary and Agricultural Uses

● Helps maintain livestock health and prevent economic losses due to bacterial outbreaks in animal farming.

Conclusion

Sodium sulfadiazine丨CAS 547-32-0 is a potent sulfonamide antibiotic valued for its water solubility, broad-spectrum activity, and effectiveness in systemic and topical applications. It remains a useful and cost-effective solution for both human and veterinary medicine, particularly in treating bacterial infections and protozoal diseases such as toxoplasmosis.

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05

Conclusion

A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.