Sodium acryloyldimethyltaurate

CAS Number
5165-97-9
EC Number
225-948-4

What is Sodium acryloyldimethyltaurate?

Sodium acryloyldimethyltaurate, also known as Sodium AMPS, is a reactive monomer used as a building block in the synthesis of specialty polymers and copolymers.

Where is Sodium acryloyldimethyltaurate used?

  • Personal care: polymerized into thickening and stabilizing agents for creams, lotions and sunscreens where conventional thickeners underperform at extreme pH or electrolyte levels
  • Oil and gas: polymers for drilling fluids and recovery formulations that maintain viscosity under high-temperature and high-salinity conditions
  • Water treatment: scale inhibitors and dispersants in cooling towers and industrial water systems
  • Textile and paper processing: surface modification coatings that improve wet strength, dye uptake and fiber adhesion
  • It helps modify surfaces and stabilize emulsions.

Good to know: Buyers should confirm inhibitor levels and storage conditions, as the monomer requires stabilization against premature polymerization.

Commercial specifications

  • Aqueous solution, typically 50% active content
  • Solid forms available
  • High-purity grades for personal care and cosmetic formulation

Other Names (Synonyms)

1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, monosodium salt|2T9Q6EKI0G|SODIUM AMPS|2-Acrylamido-2-methylpropanesulfonic acid sodium salt|1-Propanesulfonic acid, 2-acrylamido-2-methyl-, sodium salt|Sodium 2-acrylamido-2-methylpropanesulfonate

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What are the physical properties of Sodium acryloyldimethyltaurate?

Boiling Point 110°C at 101.325kPa
Density 1.2055 g/mL at 25 °C(lit.)
Color Colorless to light yellow liquid
Form 50% Solution in water
Vapor Pressure 0Pa at 25℃
Refractive Index n 20/D 1.4220(lit.)
Log P -4.34

Which trade and regulatory codes apply to Sodium acryloyldimethyltaurate?

Storage Class 10 - Combustible liquids
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