2-Acrylamido-2-Methylpropane Sulfonic Acid (AMPS®)

CAS No.: 15214-89-8

Product Overview

2-Acrylamido-2-methylpropane sulfonic acid (commonly known as AMPS) is a high-performance sulfonic acid monomer widely used in polymer synthesis. Due to its strong anionic sulfonate group and excellent hydrolytic stability, AMPS provides outstanding salt resistance, thermal stability, and pH tolerance to polymers.

It is extensively applied in water treatment chemicals, oilfield additives, coatings, adhesives, textiles, and specialty polymers.

Chemical Identification

• Product Name: 2-Acrylamido-2-Methylpropane Sulfonic Acid

• Abbreviation: AMPS

• CAS Number: 15214-89-8

• Molecular Formula: C₇H₁₃NO₄S

• Molecular Weight: 207.25 g/mol

• Appearance: White crystalline powder

• Solubility: Soluble in water

  
  

Key Features & Advantages

• Excellent thermal and hydrolytic stability

• Superior salt and electrolyte resistance

• Stable across a wide pH range

• Strong anionic sulfonic acid functionality

• Enhances viscosity and dispersion performance

• Improves polymer durability under harsh conditions

  
  

Typical Applications

• Water Treatment Chemicals
  Scale inhibitors, dispersants, and flocculants

• Oil & Gas Industry
  Oilfield polymers, drilling fluid additives, EOR chemicals

• Polymer & Resin Manufacturing
  Copolymers for improved salt and heat resistance

• Textile & Paper Chemicals
  Functional finishing agents and dispersants

• Coatings & Adhesives
  Performance modifiers for stability and adhesion

  
  

Packaging & Storage

• Standard Packaging: 25 kg woven bags with inner liner

• Storage Conditions:
  Store in a cool, dry, and well-ventilated area.
  Keep away from moisture and direct sunlight.

  
  

Safety & Handling

• Handle according to standard chemical safety practices

• Use appropriate personal protective equipment (PPE)

• Detailed safety information is available in the Material Safety Data Sheet (MSDS) upon request

  
  

Frequently Asked Questions (FAQs)

What is AMPS mainly used for?

AMPS is mainly used as a functional monomer in polymers for water treatment, oilfield chemicals, coatings, and specialty industrial applications requiring high salt and temperature resistance.

Is 2-Acrylamido-2-methylpropane sulfonic acid water soluble?

Yes, AMPS is highly soluble in water, making it suitable for aqueous polymer systems.

What makes AMPS different from other acrylic monomers?

The sulfonic acid group provides exceptional stability in high-salinity, high-temperature, and extreme pH environments.

What is the typical packaging size?

AMPS is commonly supplied in 25 kg bags, with other packaging options available upon request.

Can technical data and MSDS be provided?

Yes, Technical Data Sheets (TDS) and MSDS are available upon request.

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