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AMPS CAS 15214-89-8
2-Acrylamido-2-methylpropane sulfonic acid AMPS CAS 15214-89-8
  • CAS No.:

    15214-89-8
  • Molecular Formula:

    C7H13NO4S
  • Quality Standard:

    98.5%min.
  • Packing:

    25kg/bag
  • Mininmum Order:

    1,000kg

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  • Product Details

 

2-Acrylamido-2-methylpropane sulfonic acid AMPS CAS 15214-89-8 is a reactive, hydrophilic, sulfonic acid acrylic monomer used to alter the chemical properties of wide variety of anionic polymers. AMPS is a kind of vinyl monomer with sulfonic acid group, which has a good thermal stability. The decomposition temperature can be up to 210℃ and the temperature of sodium salt copolymer can reach 329℃.  Its hydrolysis is very slow in aqueous solution. Sodium salt solution has good anti-hydrolysis performance with high PH value.  Under acid condition, the hydrolysisresistant performance of its copolymer is better than that of polyacrylamide.  The monomer can be made into crystal or sodium salt solution. AMPS is used in many areas including water treatment, oil field, construction chemicals, hydrogels for medical applications, personal care products, emulsion coatings, adhesives, and rheology modifiers.

 

Properties

Hydrolytic and thermal stability: The geminal dimethyl group and the sulfomethyl group combine to sterically hinder the amide functionality and provide both hydrolytic and thermal stabilities to AMPS-containing polymers.
Polarity and hydrophilicity: The sulfonate group gives the monomer a high degree of hydrophilicity and anionic character at wide range of pH. In addition, AMPS is absorbing water readily and also imparts enhanced water absorption and transport characteristics to polymers.
Solubility: AMPS is very soluble in water and dimethylformamide (DMF) and also shows limited solubility in most polar organic solvents.
Inhibition of divalent cation precipitation: Sulfonic acid in AMPS is a very strong ionic group and ionizes completely in aqueous solutions. In applications where the precipitation of mineral salts is undesirable, the incorporation of a polymer containing even a small quantity of AMPS can significantly inhibit the precipitation of divalent cations.

 

Specification

Appearance                 White crystal powder 
Non-volatile matter      ≥98.50%(m/m) 
Acid Value                   268-278mgKOH/g 
Melting Point               180-185℃ 
Water Content             ≤1.0%(m/m) 
Iron Content               ≤0.002%(m/m) 
Color (25% aqueous solution ),Pt-Co    ≤100 
Purity                         ≥98.00%(m/m) 

 

Application

- Acrylic fiber
- Coating and adhesive
- Detergents
- Personal care
- Medical hydrogel
- Oil field applications
- Water treatment applications
- Crop protection
- Membranes
- Construction applications

 

Packing

25kg/bag, 14mt/20''container without pallet 

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