MOPSO sodium salt
MOPSO sodium salt (CAS 79803-73-9), with the empirical formula C7H14NNaO5S and a molecular weight of 247.24 g/mol, is a biological buffer. It belongs to the Good's buffers and is primarily utilised in diagnostic assay manufacturing. Its useful pH range makes it suitable for various biochemical applications requiring stable pH conditions.
- IUPAC
- 3-(N-Morpholinyl)-2-hydroxypropanesulfonic acid sodium salt,3-Morpholino-2-hydroxypropanesulfonic acid sodium salt
- Synonyms
- 3-(N-Morpholinyl)-2-hydroxypropanesulfonic acid sodium salt3-Morpholino-2-hydroxypropanesulfonic acid sodium salt

Biological Buffering Agent
MOPSO sodium salt is employed as a buffering agent in biological and biochemical research. It maintains a stable pH, crucial for enzyme activity, cell culture, and other sensitive biological processes. Its pKa of 6.9 at 25°C provides effective buffering in the slightly acidic to neutral pH range.
Diagnostic Assay Manufacturing
This compound serves as a key component in the manufacturing of diagnostic assays. Its reliable buffering capacity ensures the consistency and accuracy of biochemical reactions within these assays, contributing to dependable diagnostic results.
Research and Development
In research laboratories, MOPSO sodium salt is used in various experimental setups where precise pH control is essential. Its chemical properties make it a valuable reagent for studies in molecular biology, biochemistry, and related scientific disciplines.
| Molecular weight | 247.24 |
|---|---|
| Empirical formula | C7H14NNaO5S |
| Assay | ≥99% (titration) |

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.
| Pka 25 °C | 6.9 |
|---|---|
| Market Segment | Diagnostic Assay Manufacturing |
| Useful Ph Range | 6.2 - 7.6 |
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 MOPSO sodium salt used for?
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MOPSO sodium salt is primarily used as a biological buffering agent in research and in the manufacturing of diagnostic assays, maintaining stable pH in biochemical systems.
What is the CAS number and formula for MOPSO sodium salt?
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The CAS number for MOPSO sodium salt is 79803-73-9. Its empirical formula is C7H14NNaO5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies MOPSO sodium salt with an assay of ≥99% (titration). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should MOPSO sodium salt be handled safely?
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MOPSO sodium salt is a Warning substance that can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. In case of contact, follow precautionary statements (P261, P305 + P351 + P338).
How is MOPSO sodium salt packed and shipped?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures that MOPSO sodium salt is appropriately packed and shipped in compliance with all relevant regulations for chemical transport.
How can I request a sample or quote for MOPSO sodium salt?
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To request a sample or a quote for MOPSO sodium salt, please contact our sales team through the website or direct contact details provided.
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