Molekula
TES 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
TES Sodium salt (N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid sodium salt) is the sodium salt of TES, one of Good's zwitterionic biological buffers. It is widely used to prepare buffers in the physiological pH range of about 6.8 to 8.2 for biochemical assays, enzyme studies, and cell culture media. It is also employed in the stabilization of proteins and antibodies during formulation. This chemical has a CAS number of 70331-82-7, with the molecular formula C6H14NO6NaS and a molecular weight of 251.23. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies TES 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.
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25 g — £59.00 per pack ex VAT · £70.80 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White Powder |
| Water | < or = 7% |
| Heavy metals | < or = 1ppm |
| pH | 9.5 - 10.1 |
| Solubility | Clear and colorless solution |
| Residue on Ignition | < or = 0.1% |
| Assay (Titration) | > or = 99.0% |
| A290, 25% W/W | < or = 0.10 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 26908968 |
| CAS Number | 70331-82-7 |
| IUPAC Name | sodium 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethanesulfonate |
| Molecular Formula | C6H14NO6NaS |
| Molecular Weight | 251.23 |
| Exact Mass | 251.044 |
| SMILES | C(CS(=O)(=O)[O-])NC(CO)(CO)CO.[Na+] |
| InChIKey | GUXMFAHOYNRHBI-UHFFFAOYSA-M |
| InChI | InChI=1S/C6H15NO6S.Na/c8-3-6(4-9,5-10)7-1-2-14(11,12)13;/h7-10H,1-5H2,(H,11,12,13);/q;+1/p-1 |
| PubChem CID | 23702152 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2922199690 |
| Tariff Code | 2922190090 |
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.
Synonyms
- 2-[(tris(hydroxymethyl)-methyl)amino]-1-ethanesulfonic acid sodium salt
- C6H14NNaO6S
- GUXMFAHOYNRHBI-UHFFFAOYSA-M
- N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
- N-Ey(oC(1/4)x>>u)(1/4)x>>u-2- degrees +/->>uOOIe>>CEa AAENI
- potassium 2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethanesulfonate
- Sodium 2-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)ethane-1-sulfonate
- Sodium 2-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)ethanesulfonate
- TES (sodium)
- TES sodium salt (TES-Na)
Frequently asked questions
What is TES Sodium salt (CAS 70331-82-7) commonly used for?
TES Sodium salt is primarily used as a buffering agent in biochemical applications, including cell culture media, molecular biology, and protein stabilization.
What is the molecular formula and molecular weight of TES Sodium salt?
The molecular formula is C₆H₁₄NO₆NaS and the molecular weight is 251.23 g/mol.
How should TES Sodium salt be stored?
Store TES Sodium salt at ambient temperature in a tightly sealed container, away from moisture and strong oxidizing agents.
What grades of TES Sodium salt does Molekula supply?
Molekula supplies analytical and biochemical grades of TES Sodium salt, meeting high-purity standards for research and industrial use.
Can Molekula supply TES Sodium salt in bulk quantities?
Yes, Molekula can provide TES Sodium salt in bulk quantities upon request, depending on availability and customer needs.
What documentation comes with an order of TES 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.