Sodium 4-hydroxybenzenesulfonate dihydrate
Sodium 4-hydroxybenzenesulfonate dihydrate (CAS: 10580-19-5), with the chemical formula HOC6H4SO3Na·2H2O and a molecular weight of 232.19 g/mol, is a hydrated organic salt. This compound serves as a valuable building block in chemical synthesis, particularly for creating complex organic molecules. Its applications span the development of novel materials, including coordination polymers and ionomers, making it a key intermediate for research and industrial chemistry.
- IUPAC
- 4-Hydroxybenzenesulfonic acid sodium salt,Phenol-4-sulfonic acid sodium salt dihydrate
- Synonyms
- 4-Hydroxybenzenesulfonic acid sodium saltPhenol-4-sulfonic acid sodium salt dihydrate

Preparation of Layered Metal Benzenesulfonates
Sodium 4-hydroxybenzenesulfonate dihydrate is utilised in the synthesis of layered divalent transition metal benzenesulfonates, contributing to the development of new inorganic-organic hybrid materials with potential layered structures.
Synthesis of Luminescent Coordination Polymers
The compound acts as a ligand in the creation of luminescent ladder-like lanthanide coordination polymers, which are of interest for their optical properties and potential applications in sensing or lighting.
Development of Polynorbornene Ionomers
It is employed in the preparation of novel polynorbornene ionomers that incorporate fluorinated pendant benzenesulfonate groups, advancing research into advanced polymer materials with specific functional properties.
| Molecular weight | 232.19 |
|---|---|
| Linear formula | HOC6H4SO3Na·2H2O |
| Assay | 98% |
| Application | Sodium 4-hydroxybenzenesulfonate dihydrate has been used in the preparation of:• series of layered divalent transition metal benzenesulfonates1• luminescent ladder-like lanthanide coordination polymers of 4-hydroxybenzenesulfonate1• new polynorbornene ionomers bearing fluorinated pendant benzenesulfonate groups2 |

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 |
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 4-hydroxybenzenesulfonate dihydrate used for?
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Sodium 4-hydroxybenzenesulfonate dihydrate is used as a building block in chemical synthesis, including the preparation of layered metal benzenesulfonates, luminescent lanthanide coordination polymers, and polynorbornene ionomers.
What are the CAS number and formula for Sodium 4-hydroxybenzenesulfonate dihydrate?
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The CAS number is 10580-19-5, and the chemical formula is HOC6H4SO3Na·2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 4-hydroxybenzenesulfonate dihydrate with an assay of 98%. This product is suitable for research and chemical synthesis; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should Sodium 4-hydroxybenzenesulfonate dihydrate be handled safely?
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This compound is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, and ensure adequate ventilation.
Is Sodium 4-hydroxybenzenesulfonate dihydrate a controlled substance?
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Based on the provided data, Sodium 4-hydroxybenzenesulfonate dihydrate is not classified as a controlled substance.
How is Sodium 4-hydroxybenzenesulfonate dihydrate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals with adherence to all relevant national and international regulations for safe transport. Specific packaging details are available upon request.
How can I request a sample or quote for Sodium 4-hydroxybenzenesulfonate dihydrate?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (10580-19-5).
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