Sodium 3-nitrobenzenesulfonate
Sodium 3-nitrobenzenesulfonate (CAS: 127-68-4; Formula: O2NC6H4SO3Na; Molar Mass: 225.15) is a chemical compound offered by Tech Serve Solutions. This substance, also known as 3-Nitrobenzenesulfonic acid sodium salt, is primarily utilized as a building block in organic synthesis. Its applications include its use in the preparation of other chemical compounds, contributing to various research and development processes within the chemical industry.
- IUPAC
- 3-Nitrobenzenesulfonic acid sodium salt

Organic Synthesis Intermediate
Sodium 3-nitrobenzenesulfonate serves as a valuable intermediate in the synthesis of complex organic molecules. Its functional groups allow for diverse chemical transformations, making it useful in the development of novel compounds for various research applications.
Research and Development
This compound is employed in laboratory settings for research and development purposes. It aids chemists in exploring new synthetic pathways and creating innovative materials or molecules.
Quinoline Synthesis
Specifically documented for its use in the synthesis of quinoline, Sodium 3-nitrobenzenesulfonate is a key reagent in this particular cyclization reaction, contributing to heterocyclic chemistry research.
| Molecular weight | 225.15 |
|---|---|
| Linear formula | O2NC6H4SO3Na |
| Assay | 98% |
| Solubility | water: soluble50 mg/mL, clear to slightly hazy, faintly yellow to yellow |
| Application | Sodium 3-nitrobenzenesulfonate (3-Nitrobenzenesulfonic acid sodium salt) was used in the synthesis of quinoline1. |

Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 100 °C / 212 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36-43 |
| Safety statements (S) | 24-26-37 |
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-nitrobenzenesulfonate used for?
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Sodium 3-nitrobenzenesulfonate is used as a building block and intermediate in organic synthesis, notably in the preparation of quinoline.
What is the CAS number and chemical formula for Sodium 3-nitrobenzenesulfonate?
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The CAS number is 127-68-4, and the chemical formula is O2NC6H4SO3Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 3-nitrobenzenesulfonate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety precautions for handling Sodium 3-nitrobenzenesulfonate?
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This compound is a warning substance (GHS07) and can cause skin irritation (H317) and serious eye irritation (H319). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, should be worn. Handle in a well-ventilated area and avoid dust formation.
Is Sodium 3-nitrobenzenesulfonate available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Sodium 3-nitrobenzenesulfonate.
How can I request a sample or quote for Sodium 3-nitrobenzenesulfonate?
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Please contact our sales team directly through the website to request a sample or a formal quotation for Sodium 3-nitrobenzenesulfonate.
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