3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt
3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt (CAS 54970-72-8) is a specialised organic compound with the linear formula Cl₂C₆H₂(OH)SO₃Na and a molecular weight of 265.05 g/mol. This chemical serves as a valuable building block in organic synthesis. Its applications are primarily within chemical research and development, contributing to the creation of more complex molecular structures. TSS offers this compound with a high purity of 99%.
- IUPAC
- Sodium 3,5-dichloro-2-hydroxybenzenesulfonate
- Synonyms
- Cl2C6H2(OH)SO3NaSodium 3,5-dichloro-2-hydroxybenzenesulfonate

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its specific functional groups allow for diverse chemical transformations in research and development settings.
Research and Development
Employed in laboratory research for the exploration of new chemical entities and reaction pathways. Serves as a versatile reagent for academic and industrial R&D.
Building Block for Fine Chemicals
Acts as a fundamental building block for the production of fine chemicals. The dichlorinated and sulfonated structure offers unique properties for further chemical modifications.
| Molecular weight | 265.05 |
|---|---|
| Linear formula | Cl2C6H2(OH)SO3Na |
| Assay | 99% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt used for?
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3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt (CAS 54970-72-8) is primarily used as a building block in organic synthesis and for research and development purposes in the chemical industry.
What is the CAS number and formula for this compound?
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The CAS number is 54970-72-8, and its linear formula is Cl₂C₆H₂(OH)SO₃Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt with an assay of 99%. This is a technical/research grade material and is not represented as USP, BP, or EP grade.
How should this chemical be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter such as type N95 (US) or P1 (EN143) is recommended. The compound has a WGK Germany classification of 3, indicating it is hazardous to water.
Is this product available for international export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, including 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt.
How can I request a sample or quote?
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To request a sample or a quote for 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt, please contact the Tech Serve Solutions sales team through our website or by calling our office.
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