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Product Attributes
Model No.: 547-32-0
Product Description
Sulfadiazine sodium is a sulfonamide veterinary active pharmaceutical ingredient (API) used in animal health formulations where antimicrobial activity is required. It is commonly supplied as a high-purity powder for veterinary pharmaceutical manufacturers producing oral, injectable, and other animal health dosage forms.
Sulfadiazine sodium is the sodium salt form of sulfadiazine, designed to improve water solubility compared with the free acid form. As a veterinary API, it is valued for consistent quality, reliable assay performance, and compatibility with regulated animal health manufacturing processes.
Sulfadiazine sodium is a synthetic sulfonamide compound used as an active ingredient in veterinary pharmaceutical applications. It belongs to the sulfonamide class of antimicrobial agents and has been widely studied and used in animal health products.
The sodium salt form provides improved dissolution characteristics, making it suitable for formulation development where solubility and processing performance are important considerations. Veterinary manufacturers typically evaluate sulfadiazine sodium based on identity, assay, purity profile, and compliance with applicable pharmacopeial or regulatory requirements.
| Item | Specification |
|---|---|
| Product Name | Sulfadiazine Sodium Veterinary API |
| Category | Veterinary APIs / Animal Health Ingredients |
| CAS Number | 547-32-0 |
| Molecular Formula | C10H9N4NaO2S |
| Molecular Weight | 272.26 g/mol |
| Appearance | White or almost white crystalline powder |
| Assay Grade | Common pharmaceutical grades with high purity; specifications can be customized according to application requirements |
| Identification Method | HPLC, UV and other pharmacopeial identification methods |
| Purity Testing | HPLC assay and related substance analysis |
| Solubility Profile | Water-soluble sodium salt form with improved dissolution characteristics compared with sulfadiazine |
| Shelf Life | Typically 24 months when properly stored |
| Storage | Store in a cool, dry place, protected from moisture, heat, and direct sunlight |
| Packaging | Common packaging includes 1kg or 5kg aluminum foil bags and 25kg fiber drums; customized packaging available |
| Applications | Veterinary pharmaceutical formulations, animal health products, and API manufacturing |
Sulfadiazine sodium is used by veterinary pharmaceutical companies as an active ingredient in animal health formulations. Applications may include:
For veterinary pharmaceutical procurement, selection should focus on more than nominal assay value. Formulators and purchasing teams usually evaluate API suitability through identity confirmation, impurity profile, solubility characteristics, and documentation quality.
| Evaluation Point | Why It Matters | Procurement Consideration |
|---|---|---|
| Assay and Purity | Ensures consistent active ingredient content in finished formulations | Review batch-specific assay results, related substances, and analytical methods |
| Salt Form Selection | The sodium form improves dissolution behavior compared with sulfadiazine base | Choose the form compatible with the intended dosage form and manufacturing process |
| Analytical Documentation | Supports incoming quality inspection and regulatory preparation | Request COA, TDS, SDS, and relevant quality testing records |
Veterinary companies may use sulfadiazine sodium as part of broader animal health product development programs. Support can include customized specifications, documentation packages, formulation cooperation, and flexible bulk packaging solutions according to project requirements.
Quality evaluation of sulfadiazine sodium veterinary API commonly includes:
Sulfadiazine sodium is commonly packed in sealed aluminum foil bags or fiber drums suitable for pharmaceutical ingredient transportation and storage. Custom packaging formats can be arranged according to bulk handling and customer requirements.
Sulfadiazine sodium veterinary API is a pharmaceutical-grade sulfonamide ingredient designed for animal health formulation applications requiring a soluble sodium salt form and consistent quality performance. With appropriate quality documentation and specification control, it supports reliable veterinary product development.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for sulfadiazine sodium veterinary API.

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