Molekula
Benzenesulfonic acid sodium salt
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
Benzenesulfonic acid sodium salt is a water-soluble organic sodium salt used as a catalyst, intermediate, and pH adjuster in chemical synthesis. Its documented applications also include use as an anionic surfactant in detergent formulations and as an ingredient in disinfectant products. It appears as a white to off-white crystalline powder. CAS: 515-42-4, Molecular formula: C6H5SO3Na, Molecular weight: 180.16 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Benzenesulfonic acid sodium salt 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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100 g — £45.10 per pack ex VAT · £54.12 inc. VAT
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500 g — £77.70 per pack ex VAT · £93.24 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 crystalline powder |
| Water | ≤ 2.0% |
| Single Impurity | ≤ 0.1% |
| Loss on Drying | ≤ 0.5% |
| Chloride (Cl-) | ≤ 1.0% |
| Purity | ≥ 98.0% |
| Water insoluble matter | ≤ 0.01% |
| Iron (Fe) | ≤ 0.002% |
| Lead (Pb) | ≤ 0.002% |
| Identification (IR) | Conforms to Reference |
| Sulphates (SO4)(2-) | ≤ 0.01% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
Source: PubChem CID 517327 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 87557861 |
| CAS Number | 515-42-4 |
| IUPAC Name | sodium benzenesulfonate |
| EC Number | 208-198-2 |
| Molecular Formula | C6H5SO3Na |
| Molecular Weight | 180.16 |
| Exact Mass | 179.9857 |
| SMILES | C1=CC=C(C=C1)S(=O)(=O)[O-].[Na+] |
| InChIKey | MZSDGDXXBZSFTG-UHFFFAOYSA-M |
| InChI | InChI=1S/C6H6O3S.Na/c7-10(8,9)6-4-2-1-3-5-6;/h1-5H,(H,7,8,9);/q;+1/p-1 |
| PubChem CID | 517327 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2904.10.3200 |
| Tariff Code | 2904100090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- Benzenesulfonate (sodium)
- Benzenesulfonic acid, sodium salt (1:1)
- Dispersant GN
- Sodium benzene monosulfate
- Sodium benzene monosulfonate
- Sodium benzenesulfonate
- Sodium benzenesulphonate
- SODIUM BENZOSULFONATE
- Sodium phenylsulfonate
- SUPRAGIL GN
Frequently asked questions
What is benzenesulfonic acid sodium salt used for?
It is commonly used as a hydrotrope and dispersant, and as an intermediate in the synthesis of dyes, pharmaceuticals, and surfactants.
What is the chemical formula and molecular weight?
The formula is C6H5SO3Na with a molecular weight of 180.16 g/mol.
How should benzenesulfonic acid sodium salt be stored?
Store at ambient temperature, protected from moisture and heat.
What grade is available?
Available in technical grade; custom grades may be requested.
Can Molekula supply it in bulk?
Yes, Molekula can supply benzenesulfonic acid sodium salt in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.