Sample: Available
Appearance: White crystalline powder
Delivery: within 3 days after payment
Application:used for animal,Aquatic products, Poultry
Certifications: ISO
Package: Drum: 20,25kg,50kg
- Product Description
Sulfamethoxazole Powder - High-Purity Veterinary & Pharmaceutical Grade API
Xi'an Linnas Biotech Co., Ltd. manufactures pharmaceutical-grade Sulfamethoxazole Powder Specifically designed for veterinary and animal health applications, it is 99% pure. This white crystalline antibiotic powder, which is a member of the sulfonamide class, effectively inhibits the production of folic acid by bacteria, hence controlling broad-spectrum infections in livestock, poultry, and aquatic goods. With a stable melting point between 168°C and 172°C, our product satisfies ISO 9001 quality standards. Our product guaranties improved dissolving rates in water-soluble formulations and feed premixes due to its advanced micronization capabilities (D90 < 20 microns). Linnas offers reliable batch quality supported by thorough analytical testing and worldwide regulatory compliance experience. It is available in drums of 20 kilogram, 25 kg, and 50 kg and can be delivered in three days.
Technical Specifications & Quality Standards
For veterinary uses, our pharmaceutical raw material satisfies worldwide pharmacopeia criteria. To guaranty formulation consistency, every production batch is subjected to stringent quality control.
|
Parameter |
Specification |
|
Purity |
99% Min. |
|
Appearance |
White crystalline powder |
|
Molecular Formula |
C10H11N3O3S |
|
CAS Number |
723-46-6 |
|
Melting Point |
168°C - 172°C |
|
Solubility |
Soluble in acetone; slightly soluble in ethanol |
|
Particle Size |
Micronized grade available (D90 < 20 microns) |
|
Storage Conditions |
Cool, dry place; shelf life up to 5 years |
|
Certification |
ISO 9001 |

Veterinary Applications & Use Cases
In contemporary animal production systems, this bacteriostatic antibiotic tackles important disease management issues. It is crucial for numerous industry sectors due to its broad-spectrum efficacy.
Aquaculture Disease Management:
Your fish farming operations benefit from effective control of Aeromonas and Vibrio infections. The Sulfamethoxazole Powder maintains potency in medicated feed coatings even in aqueous environments. In high-density stocking circumstances, this stability lowers mortality rates.
Programs for Poultry Health:
You can fight bacterial enteritis and coccidiosis in commercial poultry by incorporating this component into feed premixes. The product does not deteriorate when exposed to pelletization heat and pressure. Throughout the manufacturing process, your production maintains therapeutic levels.
Supplementing Livestock Feed:
The powder mixes easily with other feed additives in swine and cattle operations. Large batches are distributed uniformly thanks to its chemical stability while mixing. With little waste, you can dose entire herds consistently.
Manufacturing Advantages & Quality Assurance
Xi'an Linnas Biotech operates under strict pharmaceutical manufacturing protocols. Our automated production lines deliver batch-to-batch consistency essential for your formulation requirements.
Advanced Processing Technology:
We utilize sophisticated micronization equipment to optimize particle size distribution. Smaller particles enhance bioavailability in your final products. This technical capability solves common dissolution challenges in suspension formulations.
Comprehensive Testing Protocols:
Each batch is subjected to comprehensive analytical testing, which includes microbiological testing, heavy metal screening, and HPLC purity analysis. Every package comes with comprehensive Certificates of Analysis. Your needs for regulatory compliance in many markets are supported by our high-quality paperwork.
Stable Supply Chain:
With production capacity exceeding 50 tons annually, we maintain consistent inventory levels. Your orders ship within 3 days of payment confirmation. This quick fulfillment ensures production continuity while reducing the cost of keeping inventory on hand.
Storage & Handling Recommendations
The product's remarkable shelf stability is maximized under ideal storage settings. You can preserve pharmaceutical efficacy and safeguard your investment by adhering to these rules.
Containers should be kept out of direct sunlight in dry, cold warehouses. Keep the temperature below 25°C and the relative humidity below 60%. Under these circumstances, sealed drums maintain chemical integrity for up to five years.
Keep the Sulfamethoxazole Powder away from incompatible substances and oxidizing agents. To avoid cross-contamination, use specialized handling equipment. Make that the weighing and mixing processes at your plant adhere to GMP guidelines..
Packaging & Logistics Solutions
We offer flexible packaging configurations to match your production scale and handling capabilities. All packaging materials comply with pharmaceutical-grade standards for API transportation.
Standard Packaging Options:
- 20kg fiber drums with double PE inner bags
- 25kg fiber drums with moisture barrier liners
- 50kg fiber drums for large-scale manufacturers
Each container is clearly labeled with batch numbers, manufacturing dates, and storage instructions. We provide comprehensive shipping documentation including Material Safety Data Sheets and phytosanitary certificates for international shipments.
Our logistics partners specialize in pharmaceutical cold chain management. Your shipments arrive with intact seals and complete documentation for customs clearance.

Frequently Asked Questions
Q: Can your powder be combined with Trimethoprim for synergistic effects?
A: Yes, our product is specifically engineered for co-formulation with Trimethoprim in standard 5:1 ratios. This combination creates bactericidal action suitable for treating complex infections. We can provide technical guidance for your specific formulation requirements.
Q: What particle size grades do you offer?
A: We manufacture both standard crystalline powder and micronized grades with D90 < 20 microns. The micronized version significantly improves dissolution rates in oral suspensions and water-soluble formulations. Please specify your particle size requirements when ordering.
Q: Do you provide samples for formulation testing?
A: Yes, we offer sample quantities for your R&D and quality evaluation purposes. Samples ship with full analytical documentation. Contact us to arrange sample delivery with expedited shipping options.
Q: How do you ensure batch consistency for large orders?
A: Our automated manufacturing lines maintain precise process controls throughout production. We conduct in-process testing at multiple checkpoints and retain reference samples from every batch. This systematic approach ensures your specifications are met consistently across all deliveries.
Partner With a Reliable API Manufacturer
Contact us today for quotations, technical data sheets, or formulation consultation. Email cathy@linnas.com.cn to discuss your Sulfamethoxazole Powder specific needs and experience our commitment to quality partnerships.









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