Molekula
Nitrofurantoin
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
Nitrofurantoin is a synthetic antibacterial agent used primarily to treat urinary tract infections. It functions by inhibiting bacterial ribosomal protein synthesis. Available with CAS number 67-20-9, molecular formula C8H6N4O5, and molecular weight 238.16 g/mol, it is stored at ambient temperatures. Classified as Danger, it requires careful handling. Molekula supplies Nitrofurantoin 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.
Often bought together
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 — £21.70 per pack ex VAT · £26.04 inc. VAT
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100 g — £62.30 per pack ex VAT · £74.76 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 | Yellow Crystalline Powder |
| Loss on Drying | ≤ 1.0% |
| Specification | Conforms to BP2013 |
| Assay | 98.0%~102.0% |
| Sulphated Ash | ≤ 0.1% |
| Related Substances | ≤ 1.0% |
| Water (KF) | ≤1% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Lemon-yellow crystals or fine powder |
| Odour | Odorless |
| Melting Point | 263 °C |
| Water Solubility | 79 mg/L at 24 °C |
| Solubility (other solvents) | Very slightly soluble in alcohol and practically insoluble in ether and water |
| pKa | pKa = 7.2 |
| log P (octanol/water) | -0.47 |
Source: PubChem CID 6604200 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 43672322 |
| CAS Number | 67-20-9 |
| IUPAC Name | 1-[(E)-(5-nitrofuran-2-yl)methylideneamino]imidazolidine-2,4-dione |
| EC Number | 200-646-5 |
| Molecular Formula | C8H6N4O5 |
| Molecular Weight | 238.16 |
| Exact Mass | 238.0338 |
| SMILES | C1C(=O)NC(=O)N1/N=C/C2=CC=C(O2)[N+](=O)[O-] |
| InChIKey | NXFQHRVNIOXGAQ-YCRREMRBSA-N |
| InChI | InChI=1S/C8H6N4O5/c13-6-4-11(8(14)10-6)9-3-5-1-2-7(17-5)12(15)16/h1-3H,4H2,(H,10,13,14)/b9-3+ |
| PubChem CID | 6604200 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H360 May damage fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 5-Nitrofurantoin
- Furadantin
- Furadantoin
- Furadonin
- Furadontin
- Furalan
- Macrobid
- Macrodantin
- Nifurantin
- Orafuran
Frequently asked questions
What is Nitrofurantoin used for?
Nitrofurantoin is primarily used as an antibiotic to treat urinary tract infections. It is effective against a range of Gram-positive and Gram-negative bacteria.
What is the chemical formula and molecular weight of Nitrofurantoin?
The chemical formula is C8H6N4O5, and the molecular weight is 238.16 g/mol.
How should Nitrofurantoin be stored?
Nitrofurantoin should be stored at ambient temperature, protected from light and moisture.
What grade of Nitrofurantoin does Molekula supply?
Molekula supplies Nitrofurantoin in research grade, suitable for laboratory use.
Can Molekula supply Nitrofurantoin in bulk?
Yes, Molekula can supply Nitrofurantoin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Nitrofurantoin order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.