2-Morpholinoethanesulfonic acid
Also known as: 4-Morpholineethanesulfonic acid, MES, 2-(N-Morpholino)ethanesulfonic acid, MES free acid, 2-(4-Morpholinyl)ethanesulfonic acid, 2-(morpholin-4-yl)ethanesulfonic acid
2-Morpholinoethanesulfonic acid (CAS 4432-31-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H13NO4S and a molecular weight of 195.237 g/mol. Key properties include a melting point of >300 °C(lit.) and a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 4432-31-9
- Jingsj CID
- J-33741-8
- Molecular Formula
- C6H13NO4S
- Molecular Weight
- 195.237 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Exact Mass | 195.056534 |
| PSA | 75.22000 |
| LogP | -2.13 |
| Refractive Index | 1.517 |
| Additional Property | H2O: 0.5 M at 20 °C, clear |
Activity & Biological Data
| Additional Information | [1]. Kagenishi T, et al. MES Buffer Affects Arabidopsis Root Apex Zonation and Root Growth by Suppressing Superoxide Generation in Root Apex. Front Plant Sci. 2016;7:79. Published 2016 Feb 18. [2]. Mash HE, et al. Complexation of copper by zwitterionic aminosulfonic (good) buffers. Anal Chem. 2003;75(3):671-677. |
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Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Morpholinoethanesulfonic acid?
The CAS number of 2-Morpholinoethanesulfonic acid is 4432-31-9.
What are the molecular formula and molecular weight of 2-Morpholinoethanesulfonic acid?
2-Morpholinoethanesulfonic acid has molecular formula C6H13NO4S and molecular weight 195.237 g/mol.
What are the upstream and downstream products of 2-Morpholinoethanesulfonic acid?
For 2-Morpholinoethanesulfonic acid, Upstream Products: 4-(2-Chloroethyl)morpholine; Downstream Products: morpholine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Morpholinoethanesulfonic acid (CAS 4432-31-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33741-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.