Molekula
Benzenesulfonic acid sodium salt
Benzenesulfonic acid sodium salt is a water-soluble organic sodium salt used as a catalyst, intermediate, and pH adjuster in chemical synthesis. 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.
Overview
Benzenesulfonic acid sodium salt is a water-soluble organic sodium salt used as a catalyst, intermediate, and pH adjuster in chemical synthesis. 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.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Single Impurity | ≤ 0.1% |
| Loss on Drying | ≤ 0.5% |
| Water Content | ≤ 2.0% |
| Sulfate (SO4) | ≤ 0.01% |
| Purity | ≥ 98.0% |
| Water insoluble | ≤ 0.01% |
| Chloride | ≤ 1.0% |
| Iron (Fe) | ≤ 0.002% |
| Lead (Pb) | ≤ 0.002% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 515-42-4 |
| Molecular Formula | C6H5SO3Na |
| Molecular Weight | 180.16 |
| SMILES | C1=CC=C(C=C1)S(=O)(=O)[O-].[Na+] |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29041037 |
| Tariff Code | 2904100090 |
Safety & GHS
-
Explosive
GHS01
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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is benzenesulfonic acid sodium salt used for?
It is commonly used as a sulfonating agent and 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.