N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
Synonym(s):N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid sodium salt
- CAS NO.：70331-82-7
- Empirical Formula: C6H16NNaO6S
- Molecular Weight: 253.24
- MDL number: MFCD03066123
- EINECS: 642-884-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:33:28
What is N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt?
Chemical properties
White crystalline powder
The Uses of N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
TES, 0.2M buffer soln., is a suitable buffer for epidermal cell growth at pH 7.4 - 7.9, and is also useful for studying succinate oxidation. It is also widely used as a buffer in biological applications.
What are the applications of Application
TES, sodium salt is a buffer useful in biological applications
Properties of N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
| storage temp. | Sealed in dry,Room Temperature |
| solubility | H2O: 0.35 g/mL, clear, colorless |
| form | Powder |
| color | White to Almost white |
| pka | 7.5(at 25℃) |
| PH Range | 6.8 - 8.2 |
| Water Solubility | Soluble in water (350 g/L) at 20°C, and methanol(very faint turbidity). |
| CAS DataBase Reference | 70331-82-7(CAS DataBase Reference) |
| EPA Substance Registry System | Ethanesulfonic acid, 2-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]-, monosodium salt (70331-82-7) |
Safety information for N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
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