Molekula
POPSO Disodium 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
POPSO Disodium salt is the disodium salt of piperazine-N,N'-bis(2-hydroxypropanesulfonic acid), a piperazine-based zwitterionic Good's buffer belonging to the aminosulfonic acid class. It is used as a biological buffer with a useful pH range of about 7.2–8.5 in biochemical, analytical and diagnostic applications. Available with CAS number 108321-07-9, molecular formula C10H20N2Na2O8S2, and molecular weight 406.38. Stored at ambient temperature with no signal word. Molekula supplies POPS0 Disodium 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.
-
25 g — £30.90 per pack ex VAT · £37.08 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 powder |
| Identification | Conforms to reference |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 48108075 |
| CAS Number | 108321-07-9 |
| IUPAC Name | disodium;2-hydroxy-3-[4-(2-hydroxy-3-sulfonatopropyl)piperazin-1-yl]propane-1-sulfonate |
| Molecular Formula | C10H20N2Na2O8S2 |
| Molecular Weight | 406.38 |
| Exact Mass | 406.0456 |
| SMILES | C1CN(CCN1CC(CS(=O)(=O)[O-])O)CC(CS(=O)(=O)[O-])O.[Na+].[Na+] |
| InChIKey | XMRCLLXGMGEVHS-UHFFFAOYSA-L |
| InChI | InChI=1S/C10H22N2O8S2.2Na/c13-9(7-21(15,16)17)5-11-1-2-12(4-3-11)6-10(14)8-22(18,19)20;;/h9-10,13-14H,1-8H2,(H,15,16,17)(H,18,19,20);;/q;2*+1/p-2 |
| PubChem CID | 53393457 |
| REACH Code | Y113 |
| HTS Code | 2933599500 |
| Tariff Code | 2933599590 |
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, Russian, 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
- 3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid), disodium salt
- C10H20N2Na2O8S2
- Piperazine-N,N/'-bis(2-hydroxypropanesulphonic acid) disodium salt
- popso disodium
- POPSO sodium
- sodium 3,3'-(piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonate)
Frequently asked questions
What is POPSO Disodium salt used for?
POPSO Disodium salt is used as a Good's buffer in biochemical and diagnostic work, maintaining pH in the range of about 7.2–8.5 in biological buffer systems, analytical reagents and diagnostic formulations.
What is the chemical formula and molecular weight of POPSO Disodium salt?
The formula is C10H20N2Na2O8S2 with a molecular weight of 406.38 g/mol.
How should POPSO Disodium salt be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of POPSO Disodium salt is available?
Molekula supplies POPSO Disodium salt in laboratory grade.
Can Molekula supply POPSO Disodium salt in bulk?
Yes, Molekula can supply POPSO Disodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of POPSO Disodium salt?
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.