Molekula
Sulfadiazine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sulfadiazine is a sulfonamide antibiotic used in the treatment of bacterial infections, particularly in veterinary medicine and for certain protozoal infections. It functions by inhibiting bacterial folic acid synthesis. Available in powder form with a purity of ≥98%, it has a molecular weight of 250.28 g/mol, a CAS number of 68-35-9, and a molecular formula of C10H10N4O2S. Store at 2 to 8 °C. Molekula supplies Sulfadiazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £44.60 per pack ex VAT · £53.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white slightly yellow powder |
| Assay/Purity | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 76 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| pKa | pKa = 6.36 |
Source: PubChem CID 5215 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 15675731 |
| CAS Number | 68-35-9 |
| IUPAC Name | 4-amino-N-pyrimidin-2-ylbenzenesulfonamide |
| EC Number | 200-685-8 |
| Molecular Formula | C10H10N4O2S |
| Molecular Weight | 250.28 |
| Exact Mass | 250.0524 |
| SMILES | C1=CN=C(N=C1)NS(=O)(=O)C2=CC=C(C=C2)N |
| InChIKey | SEEPANYCNGTZFQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H10N4O2S/c11-8-2-4-9(5-3-8)17(15,16)14-10-12-6-1-7-13-10/h1-7H,11H2,(H,12,13,14) |
| PubChem CID | 5215 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29359095 |
| Tariff Code | 2935909099 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-Sulfanilamidopyrimidine
- 2-Sulfanilylaminopyrimidine
- 4-amino-N-pyrimidin-2-ylbenzenesulfonamide
- Adiazine
- Benzenesulfonamide, 4-amino-N-2-pyrimidinyl-
- Coco-Diazine
- Sulfadiazin
- Sulfapyrimidine
- Sulfolex
- Sulphadiazine
Frequently asked questions
What is sulfadiazine used for?
Sulfadiazine is an antibacterial agent used in the treatment of bacterial infections, particularly in veterinary medicine and some human applications such as urinary tract infections and toxoplasmosis.
What is the chemical formula and molecular weight of sulfadiazine?
The chemical formula of sulfadiazine is C10H10N4O2S, and its molecular weight is 250.28 g/mol.
How should sulfadiazine be stored?
Sulfadiazine should be stored at temperatures between 2 and 8 °C to maintain stability and prevent degradation.
What grade of sulfadiazine does Molekula supply?
Molekula supplies sulfadiazine in research grade, suitable for laboratory and non-pharmaceutical applications.
Can Molekula supply sulfadiazine in bulk quantities?
Yes, Molekula can supply sulfadiazine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a sulfadiazine order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.