N-(3-sulphopropyl)-N-methacroyloxyethyl-N,N-dimethylammonium betaine 95%

Lieferant: Merck

Synonyme: N,N-Dimethyl-N-(2-methacryloxyethyl)-N-(3-sulphopropyl)ammonium betaine, 3-((2-(Methacryloyloxy)ethyl)dimethylammonio)propane-1-sulphonate, 3-[[2-(Methacryloyloxy)ethyl]dimethylammonio]propane-1-sulphonate, SPE, DMAPS, [2-(Methacryloyloxy)ethyl]dimethyl(3-sulphopropyl)ammonium Hydroxide Inner salt

M-Clarity™ Qualitätsstufe = MQ200

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N-(3-sulphopropyl)-N-methacroyloxyethyl-N,N-dimethylammonium betaine 95%
N-(3-sulphopropyl)-N-methacroyloxyethyl-N,N-dimethylammonium betaine

[2-(Methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide (DMAPS) is a hygroscopic, zwitterionic monomer used in the synthesis of polysulfobetaines. Polysulfobetaines are electrically neutral polymers that contain both cationic and anionic groups within a single monomer unit and feature interesting properties such as antielectrolyte behavior in aqueous salt solutions, biocompatibility, and hemocompatibility. Based upon these properties, polysulfobetaines are useful in many biomedical applications such as drug delivery and drug formulation.


Due to its hygroscopic nature, [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide (DMAPS) can contain up to one molecule of water per monomer unit. This material should be stored in a cool, dry place and depending on the reaction conditions, water may need to be removed prior to polymerisation.

Formel: C₁₁H₂₁NO₅S
Molecular Weight: 279,351 g/mol
Schmelzpunkt: 150,..155 °C (Lit.)
MDL: MFCD00040574
CAS-Nummer: 3637-26-1

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Spezifikation Testergebnisse

Appearance (Colour) White
Appearance (Form) Powder or Crystals
Infrared Spectrum Conforms to Structure
Carbon Content 44.7 - 47.3%
Hydrogen Content 7.2 - 8.0%
Nitrogen Content 4.7 - 5.0%
Sulphur Content 10.9 - 11.5%
Solubility (Turbidity) Clear
Solubility (Colour) 25 mg/ml, H₂O Colourless

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