N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt

Also known as: BES sodium salt, BES-Na, sodium 2-[bis(2-hydroxyethyl)amino]ethanesulfonate, 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid sodium salt, MFCD00067425

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt (CAS 66992-27-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C6H14NNaO5S and a molecular weight of 235.234 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66992-27-6
Jingsj CID: J-1106725-2
Molecular Formula: C₆H₁₄NNaO₅S
Molecular Weight: 235.234 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	235.049042
PSA	109.28000
Storage Conditions	Store at RT.
Additional Property	H2O: 0.35 g/mL, clear, colorless

Customs & Trade Information

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt?

The CAS number of N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt is 66992-27-6.

What are the molecular formula and molecular weight of N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt?

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt has molecular formula C6H14NNaO5S and molecular weight 235.234 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt (CAS 66992-27-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106725-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.