The 3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid sodium salt, with the CAS registry number 105140-25-8, is also known as TAPSO sodium salt. This chemical's molecular formula is C₇H₁₆NNaO₇S and molecular weight is 281.26. Its systematic name is called sodium 2-hydroxy-3-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]propane-1-sulfonate.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: C(C(CS(=O)(=O)[O-])O)NC(CO)(CO)CO.[Na+]
(2)InChI: InChI=1/C7H17NO7S.Na/c9-3-7(4-10,5-11)8-1-6(12)2-16(13,14)15;/h6,8-12H,1-5H2,(H,13,14,15);/q;+1/p-1
(3)InChIKey: XRADYQRMWVBZEH-REWHXWOFAR