sodium 2-[(2-aminoethyl)amino]ethanesulphonate

• CAS: 34730-59-1
• Catalog Number: ACM34730591
• Category: Main Products
• Molecular Weight: 190.19
• Molecular Formula: C4H11N2NaO3S
• Synonyms: SodiuM 2-[(2-aMinoethyl)aMino]ethanesulphona
• Appearance: Yellow Liquid

Case Study

Sodium 2-[(2-aminoethyl)amino]ethanesulphonate as a Key Component in Advanced Waterborne Polyurethane Synthesis

Mou, Jing, et al. Journal of Applied Polymer Science 138.18 (2021): 50353.

Sulfonated waterborne polyurethanes (SWPUs) are attractive for environmentally friendly coatings and adhesives because their ionic groups provide water dispersibility without volatile organic solvents. This study incorporated sodium 2-[(2-aminoethyl)amino]ethanesulphonate (AAS-Na) efficiently and uniformly into an NCO-terminated aliphatic polyurethane prepolymer to produce stable, high-performance SWPU dispersions - while avoiding poor solubility and aggregation of the sulfonate in organic cosolvents during chain extension.
Two-step, acetone/water co-solvent strategy
· First step (partial chain extension in acetone): Add AAS-Na to the NCO-terminated prepolymer dissolved in acetone at 45 °C. AAS-Na does not fully react at this point (~ <50% conversion; residual unreacted AAS-Na forms polar aggregates, rendering the mixture turbid (P-SPU). (A typical batch used 4.8 g AAS-Na, 2.0 wt% relative to prepolymer NCO.)
· Cosolvent addition and second step: A timed addition of acetone/water mixture rapidly dissolves residual AAS-Na aggregates and allows for second-step chain extension, increasing total AAS-Na conversion to >90% and resulting in a clear U-SPU prepolymer.
Material performance: Reducing AAS salt content from 2.0% to 1.2% improved water resistance, with contact angles increasing from 73.5° to 99.2° and water absorption decreasing from 12.3% to 3.8%. he resulting polyester-based SWPU dispersions demonstrated excellent hydrolytic stability, maintaining mechanical properties and molecular integrity after hydrolysis testing.

Sodium 2-[(2-aminoethyl)amino]ethanesulphonate as a Critical Structural Modifier in Biomimetic Olfactory Sensor Development

Ahmad, Waqar, et al. Advanced Intelligent Systems 5.6 (2023): 2200396.

Designing artificial olfactory surfaces that reproduce the high sensitivity, fast response and durable operation of biological olfactory neuroepithelium (ONe) requires materials that combine stable electronic properties with abundant, uniformly distributed active sites. In this reported 3D biomimetic olfactory neuroepithelium (BONe), single-stranded DNA (ssDNA) and exfoliated single-layer reduced graphene oxide (SL-rGO) form the structural/electronic scaffold, while palladium oxide sub-nanoclusters (PdO2-sNCs) act as the sensing centers. Sodium 2-[(2-aminoethyl)amino]ethanesulphonate (AAS-Na) was used as a key formulation component to promote homogeneous in-situ anchoring of the Pd species and to support the assembly process.
BONe Synthesis with AAS-Na
A representative laboratory procedure used to prepare the BONe material (designated BONe-240) illustrates AAS-Na's integration into the formulation: 1. Dissolve salmon sperm ssDNA in deionized water to form a concentrated DNA solution. 2. Prepare an AAS-Na solution by mixing 3 g of a 50% aqueous AAS with 500 μL glacial acetic acid (this mixture is the AAS stock). 3. Combine the DNA and AAS solutions and stir to produce a homogeneous intermediate. 4. Add graphene oxide dispersion and allow the mixture to equilibrate, then introduce a PdCl2/acetic acid colloid to deposit palladium precursors in situ. 5. Reduce the assembly (NaOH + hydrazine hydrate, heating) to convert GO to SL-rGO and to form PdO2 sub-nanoclusters anchored via interactions mediated by ssDNA/AAS-Na. 6. Collect the resulting suspension, wash and lyophilize; the drying step generates the wrinkled, high-surface-area 3D BONe architecture.

Custom Q&A

What is the molecular formula of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The molecular formula is C4H11N2NaO3S.

What is the molecular weight of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The molecular weight is 190.20 g/mol.

What are some synonyms for Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

Some synonyms include 34730-59-1, Sodium 2-((2-aminoethyl)amino)ethanesulfonate, and Ethanesulfonic acid, 2-[(2-aminoethyl)amino]-, monosodium salt.

When was Sodium 2-[(2-aminoethyl)amino]ethanesulphonate created and last modified?

It was created on 2008-02-05 and last modified on 2023-12-30.

What is the IUPAC name of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The IUPAC name is sodium;2-(2-aminoethylamino)ethanesulfonate.

What is the InChI of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The InChI is InChI=1S/C4H12N2O3S.Na/c5-1-2-6-3-4-10(7,8)9;/h6H,1-5H2,(H,7,8,9);/q;+1/p-1.

What is the Canonical SMILES of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The Canonical SMILES is C(CNCCS(=O)(=O)[O-])N.[Na+].

What is the CAS number for Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The CAS number is 34730-59-1.

How many hydrogen bond donor counts does Sodium 2-[(2-aminoethyl)amino]ethanesulphonate have?

It has 2 hydrogen bond donor counts.

What is the topological polar surface area of Sodium 2-[(2-aminoethyl)amino]ethanesulphonate?

The topological polar surface area is 104 Å2.