Molekula
PIPES (Piperazine-1,4-bis(2-ethanesulfonic acid))
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
PIPES is a zwitterionic buffering agent commonly used in biochemical and molecular biology applications to maintain stable pH conditions. It is particularly effective in the pH range of 6.0 to 8.0. CAS: 5625-37-6, Molecular Formula: C8H18N2O6S2, Molecular Weight: 302.37, Storage: Ambient, Signal Word: None. Molekula supplies PIPES 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
In stock — same-day dispatch
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 — £30.90 per pack ex VAT · £37.08 inc. VAT
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500 g — £121.40 per pack ex VAT · £145.68 inc. VAT
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1 kg — £202.50 per pack ex VAT · £243.00 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 |
| Heavy metals | ≤5ppm |
| Identification | Conforms to reference |
| Loss on Drying | ≤1.0% |
| Solubility | Clear, Colourless solution (5% 1N NaOH) |
| Assay | 98.0 - 101% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 37406078 |
| CAS Number | 5625-37-6 |
| IUPAC Name | 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid |
| EC Number | 227-057-6 |
| Molecular Formula | C8H18N2O6S2 |
| Molecular Weight | 302.37 |
| Exact Mass | 302.0606 |
| SMILES | C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O |
| InChIKey | IHPYMWDTONKSCO-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H18N2O6S2/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16/h1-8H2,(H,11,12,13)(H,14,15,16) |
| PubChem CID | 79723 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1,4-Piperazinebis(ethanesulfonic acid)
- 1,4-Piperazinediethanesulfonic acid
- 1,4-piperazinediethanesulphonic acid
- 1,4-piperazineethanesulfonate
- 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid
- 2,2'-(Piperazine-1,4-diyl)bis(ethanesulphonic) acid
- 2,2'-(Piperazine-1,4-diyl)diethanesulfonic acid
- Piperazine-N,N'-bis(2-ethanesulfonic acid)
- piperazine-N,N'-bis(2-ethanesulfonic acid), sodium salt
- PIPES
Frequently asked questions
What is PIPES used for?
PIPS is primarily used as a buffering agent in biochemical and molecular biology applications, especially in enzyme assays and electrophoresis.
What is the chemical formula and molecular weight of PIPES?
The formula is C8H18N2O6S2 and the molecular weight is 302.37 g/mol.
How should PIPES be stored?
PIPS should be stored at ambient temperature, protected from moisture and light.
What grade of PIPES is available?
Molekula supplies PIPES in high-purity grade suitable for research and laboratory use.
Can Molekula supply PIPES in bulk?
Yes, Molekula can supply PIPES in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a PIPES order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) upon request.
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.