Molekula
MOPSO (3-Morpholino-2-hydroxypropanesulfonic acid)
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
MOPSO (3-Morpholino-2-hydroxypropanesulfonic acid) is a zwitterionic buffering agent used in biochemical and analytical applications, particularly in electrophoresis and protein studies. It has a CAS number of 68399-77-9, a molecular formula of C7H15NO5S, and a molecular weight of 225.26 g/mol. It is stable at ambient storage conditions and carries a warning signal word due to potential hazards. Molekula supplies MOPSO 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 — £30.90 per pack ex VAT · £37.08 inc. VAT
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100 g — £76.20 per pack ex VAT · £91.44 inc. VAT
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500 g — £279.60 per pack ex VAT · £335.52 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 |
| Water | ≤ 1.0% (KF) |
| Heavy metals | ≤ 5ppm |
| pH | 3.9 - 4.5 (25°C, 1% in H2O) |
| Solubility | Clear, Colourless (0.1M in H2O) |
| Assay | ≥ 99% (Titration) |
| Residue on Ignition | ≤ 0.1% |
| Iron (Fe) | ≤ 5ppm |
| Identification (IR) | Conforms to reference |
| UV Absorption (280nm) | ≤ 0.030 |
| 260nm | ≤ 0.040 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 59874779 |
| CAS Number | 68399-77-9 |
| IUPAC Name | 2-hydroxy-3-morpholin-4-ylpropane-1-sulfonic acid |
| EC Number | 269-989-6 |
| Molecular Formula | C7H15NO5S |
| Molecular Weight | 225.26 |
| Exact Mass | 225.0671 |
| SMILES | C1COCCN1CC(CS(=O)(=O)O)O |
| InChIKey | NUFBIAUZAMHTSP-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H15NO5S/c9-7(6-14(10,11)12)5-8-1-3-13-4-2-8/h7,9H,1-6H2,(H,10,11,12) |
| PubChem CID | 109333 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2934999001 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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-hydroxy-3-(morpholin-4-yl)propane-1-sulfonic acid
- 2-Hydroxy-3-morpholinopropane-1-sulfonic acid
- 2-Hydroxy-3-morpholinopropanesulfonic Acid
- 2-Hydroxy-4-morpholinepropanesulphonic acid
- 3-(4-Morpholino)-2-Hydroxypropanesulfonic Acid
- 3-(N-Morpholino)-2-hydroxy-1-propanesulfonic acid
- 3-(N-Morpholino)-2-hydroxypropanesulfonic Acid
- 3-(n-morpholinyl)-2-hydroxypropanesulfonic acid
- 4-Morpholinepropanesulfonic acid, beta-hydroxy-
- Mopso
Frequently asked questions
What is MOPSO used for?
MOPSO is primarily used as a buffering agent in biochemical and analytical applications, particularly in electrophoresis and enzyme assays.
What is the chemical formula and molecular weight of MOPSO?
The formula is C7H15NO5S with a molecular weight of 225.26 g/mol.
How should MOPSO be stored?
MOPSO should be stored at ambient temperature, protected from moisture and light.
What grade of MOPSO is available?
MOPSO is available in analytical grade, suitable for laboratory and research use.
Can Molekula supply MOPSO in bulk?
Yes, Molekula can supply MOPSO in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a MOPSO order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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.