Sulfamethazine sodium salt
Sulfamethazine sodium salt (CAS: 1981-58-4), with the molecular formula C12H13N4O2SNa and a molecular weight of 300.31, is a sulfonamide antibiotic. It is primarily utilized for its antibacterial properties in treating various infections. This compound also finds application in research settings, particularly in disposition and depletion kinetic studies, and in the development of analytical methods for its detection in biological and food matrices.
- IUPAC
- 4-Amino-N-(4,6-dimethyl-2-pyrimidinyl)benzenesulfonamide

Antibacterial Treatment
Sulfamethazine sodium salt serves as an antibiotic for the clinical management of conditions such as bronchitis, prostatitis, and urinary tract infections. Its efficacy targets bacterial pathogens.
Kinetic Studies
This compound is employed in scientific research for disposition and depletion kinetic studies. These investigations help understand drug absorption, distribution, metabolism, and excretion.
Analytical Method Development
Sulfamethazine sodium salt is used in the development of techniques for its accurate quantification in various biological and food samples, including cow's milk, honey, and swine urine.
| Molecular weight | 300.31 |
|---|---|
| Linear formula | C12H13N4O2SNa |
| Assay | ≥98% |
| Storage temperature | 2-8°C |
| Application | Sulfamethazine is an antibiotic used to clinically treat bronchitis, prostatitis and urinary tract infections1. It is used in disposition and depletion kinetic studies2,3. It is used to develop detection techniques for quantification in fluids such as cows’ milk, honey and swine urine4. |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sulfamethazine sodium salt used for?
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Sulfamethazine sodium salt is used as an antibiotic to treat infections like bronchitis, prostatitis, and urinary tract infections. It is also used in disposition and depletion kinetic studies and for developing detection techniques in various matrices.
What are the CAS number and molecular formula?
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The CAS number for Sulfamethazine sodium salt is 1981-58-4 and its molecular formula is C12H13N4O2SNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sulfamethazine sodium salt with an assay of ≥98%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the safety considerations for handling Sulfamethazine sodium salt?
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Sulfamethazine sodium salt is classified as harmful if swallowed (H302). It should be handled with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is Sulfamethazine sodium salt shipped and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, ensuring appropriate packaging and adherence to international shipping regulations for chemicals like Sulfamethazine sodium salt.
How can I request a quote or sample?
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To request a quote or sample of Sulfamethazine sodium salt, please contact our sales team through the TSS website or your designated account manager.
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