Sulfamethoxazole
- Createtime: 2026-04-14
- Updatetime: 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
White or off-white crystalline powder
|
| Storage |
Sealed, dry, cool place (2–8 °C); avoid light and moisture
|
| aliasen |
|
| supplyCapacity |
50000Metric Ton/Month
|
| Solubility |
Practically insoluble in water; soluble in DMSO, ethanol, acetone
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Melting Point |
169–172 °C
|
- Appearance: White or off-white crystalline powder
- Purity (HPLC): 99.0%–101.0%
- Moisture (K.F.): ≤0.5%
- Residue on Ignition: ≤0.1%
- Heavy Metals (Pb): ≤10 ppm
- Melting Point: 169–172 °C
- Related Substances: ≤0.5% (single impurity)


Applications
CAS 723-46-6 (Sulfamethoxazole) is a broad-spectrum sulfonamide antibiotic widely used in human and veterinary medicine, often combined with Trimethoprim (Co-trimoxazole, Bactrim). It inhibits bacterial dihydropteroate synthase, blocking folic acid synthesis and suppressing growth of Gram-positive (Staphylococcus) and Gram-negative (E. coli, Salmonella) bacteria. Primary uses include urinary tract infections (UTIs), respiratory infections, gastrointestinal infections, and prophylaxis for Pneumocystis pneumonia in immunocompromised patients. In veterinary, it treats livestock and poultry bacterial diseases. As a pharma API, it’s produced under GMP; also used as a research reagent in microbiology and pharmacology.
Safety Information
Classified as GHS07 (Xn, Harmful); hazard statements H302 (Harmful if swallowed), H315 (Skin Irritation), H319 (Eye Irritation), H335 (May cause respiratory irritation).
- Inhalation: Dust irritates respiratory tract; use fume hood and dust mask.
- Skin Contact: May cause irritation/allergic reaction; wear nitrile gloves, wash skin thoroughly.
- Eye Contact: Causes severe irritation; wear safety goggles, rinse eyes ≥15 min.
- Ingestion: Harmful if swallowed (LD50 oral rat ~6,200 mg/kg); do not induce vomiting, seek medical aid.
- Chemical Hazards: Stable under normal conditions; avoid strong acids, oxidants, and high temperatures (risk of decomposition).
- Storage: Keep sealed in cool, dry, dark area; separate from incompatible substances.
- Disposal: Dispose as hazardous waste per local regulations; avoid environmental release.