Molekula
MOPS (3-Morpholinopropanesulfonic 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
MOPS (3-Morpholinopropanesulfonic acid) is a zwitterionic buffer widely used in biochemistry and molecular biology for pH stabilization in protein assays, electrophoresis, and cell culture media. It maintains effective buffering between pH 6.5 and 7.9, making it ideal for sensitive biological applications. CAS 1132-61-2, molecular formula C7H15NO4S with a molecular weight of 209.3 g/mol. Stored at ambient conditions, it carries a signal word of Warning for safety. Molekula supplies MOPS 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.
Often bought together
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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100 g — £64.00 per pack ex VAT · £76.80 inc. VAT
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500 g — £174.00 per pack ex VAT · £208.80 inc. VAT
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1 kg — £270.00 per pack ex VAT · £324.00 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 |
| Identification | Conforms to reference |
| pH | 3.6 - 4.4 |
| Water (KF) | ≤ 0.5% |
| Assay (Titration) on dried basis | ≥ 99.5% |
| Solubility 10% in water | ≤5 ppm |
| A260 (1M aq) | ≤0.05 |
| A280 (1M water ) | ≤0.03 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 14868563 |
| CAS Number | 1132-61-2 |
| IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
| EC Number | 214-478-5 |
| Molecular Formula | C7H15NO4S |
| Molecular Weight | 209.3 |
| Exact Mass | 209.0722 |
| SMILES | C1COCCN1CCCS(=O)(=O)O |
| InChIKey | DVLFYONBTKHTER-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11) |
| PubChem CID | 70807 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.9001 |
| Tariff Code | 2934999090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- 3-(4-Morpholino)propanesulfonic acid
- 3-(N-Morpholino)propanesulfonic acid
- 3-morpholin-4-ylpropane-1-sulfonic acid
- 3-Morpholinopropane-1-sulfonic acid
- 3-Morpholinopropanesulfonic acid
- 4-Morpholinepropanesulfonic acid
- MOPS
- morpholine propanesulphonic acid
- Morpholinopropane sulfonic acid
- Morpholinopropanesulfonic acid; WAS 15
Frequently asked questions
What is MOPS (3-Morpholinopropanesulfonic acid) commonly used for?
MOPS is primarily used as a buffering agent in biochemical and molecular biology applications, such as electrophoresis, cell culture media, and enzyme assays, due to its stable pH across a range of temperatures.
What is the chemical formula and molecular weight of MOPS?
The chemical formula of MOPS is **C₇H₁₅NO₄S**, and its molecular weight is **209.3 g/mol**.
How should MOPS be stored?
MOPS should be stored at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades of MOPS does Molekula supply?
Molekula supplies MOPS in **analytical and biochemical grades**, suitable for laboratory and research applications.
Can Molekula supply MOPS in bulk quantities?
Yes, Molekula can supply MOPS in bulk, with quantities tailored to meet your specific requirements—please contact us for pricing and availability.
What documentation comes with a MOPS order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, identity, and safety information.
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.