Sodium 3-sulfobenzoate
Sodium 3-sulfobenzoate (CAS: 17625-03-5, Formula: NaO3SC6H4CO2H, MW: 224.17) is a specialised organic compound. This sulfonic acid salt serves as a valuable building block in chemical synthesis. Its structure, featuring both a carboxylate and a sulfonate group, makes it useful in various organic transformations and as a potential intermediate in the development of novel materials and pharmaceuticals. Tech Serve Solutions supplies this reagent for research and development purposes.
- IUPAC
- 3-Carboxybenzenesulfonic acid sodium salt,3-Sulfobenzoic acid sodium salt
- Synonyms
- 3-Carboxybenzenesulfonic acid sodium salt3-Sulfobenzoic acid sodium salt

Organic Synthesis Intermediate
Sodium 3-sulfobenzoate acts as a versatile intermediate in the synthesis of more complex organic molecules. Its dual functionality allows for diverse reaction pathways in the development of fine chemicals and potential pharmaceutical precursors.
Building Block for Specialty Chemicals
This compound functions as a key building block in the creation of specialty chemicals. Its unique combination of a sulfonate and a carboxylate group offers opportunities for developing novel materials with specific properties.
Research and Development
Utilised in laboratory settings for exploratory chemistry and process development, Sodium 3-sulfobenzoate aids researchers in investigating new chemical reactions and potential applications within academia and industry.
| Molecular weight | 224.17 |
|---|---|
| Linear formula | NaO3SC6H4CO2H |
| Assay | 97% |
| Melting point | ≥300 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium 3-sulfobenzoate used for?
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Sodium 3-sulfobenzoate is primarily used as a building block and intermediate in organic synthesis for research and development purposes, and in the creation of specialty chemicals.
What is the CAS number and chemical formula for Sodium 3-sulfobenzoate?
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The CAS number is 17625-03-5 and the chemical formula is NaO3SC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 3-sulfobenzoate with an assay of 97%. This is a technical grade suitable for research and development, and is not represented as USP, BP, or EP.
What are the safety considerations when handling Sodium 3-sulfobenzoate?
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Sodium 3-sulfobenzoate is classified as a warning substance. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Ensure good ventilation.
How is Sodium 3-sulfobenzoate packed and shipped?
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Tech Serve Solutions ensures appropriate packaging for safe handling, storage, and export of chemicals in compliance with international regulations.
How can I request a quote or sample?
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Please contact our sales team via the website or direct email to request a quote or a sample of Sodium 3-sulfobenzoate for your evaluation.
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