Molekula
Toluene-4-sulphonamide
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
Toluene-4-sulphonamide is a sulfonamide compound used in organic synthesis and pharmaceutical research. Documented applications also include use as a plasticizer in resins and hot-melt adhesives, a mildew and fungus inhibitor in paints and coatings, and a precursor to chloramine T. It serves as an intermediate in the production of dyes, agrochemicals, and medicinal compounds. Available in powder form, it has a molecular weight of 171.22 g/mol, a CAS number of 70-55-3, and is stable at ambient temperatures. No signal word is assigned. Molekula supplies Toluene-4-sulphonamide 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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1 kg — £77.70 per pack ex VAT · £93.24 inc. VAT
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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 to off-white crystalline powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 202 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White leaflets |
| Melting Point | 138 °C |
| Water Solubility | 3.16 g/L at 25 °C |
| Solubility (other solvents) | Soluble in alcohol |
| Vapour Pressure | 0.000096 mmHg |
| pKa | pKa = 10.17 |
| log P (octanol/water) | 0.82 |
Source: PubChem CID 6269 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90029004 |
| CAS Number | 70-55-3 |
| IUPAC Name | 4-methylbenzenesulfonamide |
| EC Number | 200-741-1 |
| Molecular Formula | CH3C6H4SO2NH2 |
| Molecular Weight | 171.22 |
| Exact Mass | 171.0354 |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)N |
| InChIKey | LMYRWZFENFIFIT-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H9NO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H2,8,9,10) |
| PubChem CID | 6269 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2935.90.7500 |
| Tariff Code | 2935909099 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- 4-Methylbenzenesulfonamide
- 4-Toluenesulfonamide
- Benzenesulfonamide, 4-methyl-
- P-TOLUENESULFONAMIDE
- p-Toluenesulfonylamide
- p-Tolylsulfonamide
- p-Tosylamide
- para-Toluenesulfonamide
- Toluene-4-sulfonamide
- Tosylamide
Frequently asked questions
What is Toluene-4-sulphonamide used for?
It is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds.
What is the chemical formula and molecular weight of Toluene-4-sulphonamide?
The formula is CH3C6H4SO2NH2 and the molecular weight is 171.22 g/mol.
How should Toluene-4-sulphonamide be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for Toluene-4-sulphonamide?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply Toluene-4-sulphonamide in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with a purchase of Toluene-4-sulphonamide?
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.