Molekula
MES Sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
MES Sodium salt is a zwitterionic buffer widely used in biochemical research, cell culture, and protein stabilization due to its pH stability across a broad range. It maintains consistent buffering capacity from pH 5.5 to 6.7, making it ideal for enzyme assays, crystallization, and electrophoresis. CAS 71119-23-8, molecular formula C6H12NNaO4S, molecular weight 217.22 g/mol, stored at ambient conditions with no signal word required. Molekula supplies MES Sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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100 g — £69.50 per pack ex VAT · £83.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Heavy metals | ≤ 5ppm |
| pH | 5.5 - 6.7 |
| Loss on Drying | ≤ 1.0% |
| Assay | ≥ 99.0% |
| Solubility (0.1M aq.) | Clear, Colourless soltuion |
| UV Absorption (280nm) | ≤ 0.03 |
| 260nm | ≤ 0.05 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 17253441 |
| CAS Number | 71119-23-8 |
| IUPAC Name | sodium 2-morpholin-4-ylethanesulfonate |
| EC Number | 275-203-2 |
| Molecular Formula | C6H12NNaO4S |
| Molecular Weight | 217.22 |
| Exact Mass | 217.0385 |
| SMILES | C1COCCN1CCS(=O)(=O)[O-].[Na+] |
| InChIKey | IRHWMYKYLWNHTL-UHFFFAOYSA-M |
| InChI | InChI=1S/C6H13NO4S.Na/c8-12(9,10)6-3-7-1-4-11-5-2-7;/h1-6H2,(H,8,9,10);/q;+1/p-1 |
| PubChem CID | 23673676 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-(N-Morpholino)ethanesulfonic acid sodium salt
- 4-Morpholineethanesulfonic acid, sodium salt
- 4-Morpholineethanesulfonic acid, sodium salt (1:1)
- MES-Na
- sodium 2-(morpholin-4-yl)ethane-1-sulfonate
- sodium 2-(N-morpholino)ethanesulfonate
- sodium 2-morpholin-4-ylethanesulfonate
- Sodium 2-Morpholinoethanesulfonate
- Sodium 4-morpholin-1-ylethylsulphonate
- sodium MES
Frequently asked questions
What is MES sodium salt primarily used for?
MES sodium salt is commonly used as a buffering agent in biological research, pharmaceutical formulations, and cell culture media to maintain pH stability.
What is the chemical formula and molecular weight of MES sodium salt?
The chemical formula is **C₆H₁₂NNaO₄S**, and the molecular weight is **217.22 g/mol**.
How should MES sodium salt be stored?
Store at **ambient temperature** in a dry, well-ventilated area, away from strong oxidizing agents.
What grades of MES sodium salt does Molekula supply?
Molekula supplies **analytical and reagent-grade** MES sodium salt, suitable for research and industrial applications.
Can Molekula supply MES sodium salt in bulk quantities?
Yes, we offer MES sodium salt in bulk packaging upon request—contact our sales team for custom quantities and pricing.
What documentation comes with an order of MES sodium salt?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.