Molekula
Benzenesulfonamide
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
Benzenesulfonamide is an aromatic sulfonamide compound widely used as an intermediate in pharmaceutical synthesis, dye manufacturing, and as a reagent in organic chemistry. It serves as a precursor for sulfa drugs, agrochemicals, and specialty chemicals due to its reactive sulfonamide group. This chemical has a CAS number of 98-10-2, with the molecular formula C6H7NO2S and a molecular weight of 157.19. It is typically stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Benzenesulfonamide 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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100g — £33.00 per pack ex VAT · £39.60 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 | White powder |
| Assay | ≥ 99.0% |
| Identification (IR) | Conforms to spectrum |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.000894 mmHg |
Source: PubChem CID 7370 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90032395 |
| CAS Number | 98-10-2 |
| IUPAC Name | benzenesulfonamide |
| EC Number | 202-637-1 |
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 |
| Exact Mass | 157.0197 |
| SMILES | C1=CC=C(C=C1)S(=O)(=O)N |
| InChIKey | KHBQMWCZKVMBLN-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H7NO2S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9) |
| PubChem CID | 7370 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2935.90.4800 |
| Tariff Code | 2935909099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Benzenesulfonamde
- Benzenesulfonyl amine
- benzenesulonamide
- Benzenesulphonamide
- benzensulfonamide
- benzolsulfonamid
- Benzolsulfonamide
- Benzosulfonamide
- M and B 7973
- phenylsulfonamide
Frequently asked questions
What is benzenesulfonamide commonly used for?
Benzenesulfonamide is primarily used as an intermediate in the synthesis of pharmaceuticals, dyes, and agrochemicals, including sulfonamide antibiotics and sulfone-based compounds.
What is the chemical formula and molecular weight of benzenesulfonamide?
The chemical formula is **C6H7NO2S**, and the molecular weight is **157.19 g/mol**.
How should benzenesulfonamide be stored?
Store benzenesulfonamide at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grades or purities of benzenesulfonamide does Molekula supply?
Molekula supplies benzenesulfonamide in **technical grade** and **pharmaceutical/intermediate grade** (typically ≥98% purity).
Can Molekula supply benzenesulfonamide in bulk quantities?
Yes, Molekula can provide benzenesulfonamide in bulk, with quantities tailored to your production needs—contact us for specific packaging options.
What documentation comes with an order of benzenesulfonamide?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.