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amps 15214 89 8 structure

2-Acrylamido-2-methylpropanesulfonic acid(AMPS)

CAS No.:15214-89-8
Product Grade: Industrial Grade
Purity / Assay: 98%min
Molecular Formula:C₇H₁₃NO₄S
Molecular Weight:207.25 g/mol
EINECS No.: 239-268-0
Synonym(s):AMPS, ATBS, 2-Acrylamido-2-methylpropanesulfonic acid, 2-Acrylamido-2-methyl-1-propanesulfonic acid

2-Acrylamido-2-methylpropanesulfonic acid, widely known as AMPS or ATBS.

AMPS/acrylamide/starch graft copolymers, AMPS/acrylamide/N,N-dimethylacrylamide copolymers, and AMPS/humic acid/acrylamide graft copolymers demonstrate outstanding fluid-loss mitigation alongside robust thermal and salt resistance in freshwater, saltwater, saturated brine, and seawater drilling fluids.
AMPS-based polymeric systems—specifically AMPS/acrylamide/starch graft copolymers, AMPS/acrylamide/N,N-dimethylacrylamide copolymers, and AMPS/humic acid/acrylamide graft copolymers—demonstrate exceptional capacity for fluid-loss mitigation alongside robust thermal and salinity tolerance across diverse continuous phases, including freshwater, saltwater, saturated brine, and seawater drilling fluids.
Rheological perturbations, particularly viscosity elevations driven by clay dispersion and concurrent contaminants, necessitate the incorporation of deflocculants to sustain optimal fluid rheology. Although ferrochrome lignosulfonate (FCLS) has traditionally been the benchmark thinner, its application is limited by ecological toxicity. Utilizing an AMPS/acrylic acid/methacrylic acid terpolymer as an eco-friendly substitute effectively preserves the requisite thermo-haline resistance inherent to FCLS while mitigating toxicological concerns.

Due to its unique chemical properties, AMPS is extensively used across diverse industries. In water treatment, it serves as an effective scale inhibitor and dispersing agent. In the oil and gas industry, it is utilized as a well-fluid additive under harsh, high-temperature reservoirs. Furthermore, it finds extensive applications in textiles, acrylic fibers, coatings, flocculants, adhesives, medical hydrogels, and personal care products.

KIERAY CHEM offer AMPS in three distinct forms to suit your specific requirements: AMPS Powder, AMPS Granules/Solid, and AMPS Sodium Salt Aqueous Solution.

OPTIONS 1: AMPS Powder Specifications

kieray chem amps spec.

OPTIONS 2: AMPS Sodium Salt Solution Specification

(Chemical Name: Sodium 2-Acrylamido-2-methylpropane sulfonate)

1. Key Technical Characteristics & Mechanism

• Reactive Polymerizable Surfactant: Functions as a highly reactive, highly hydrophilic functional monomer and reactive emulsifier that copolymerizes directly into the polymer backbone, effectively preventing emulsifier migration.
• Enhanced Polymerization Kinetics: The acrylamido group significantly accelerates polymerization rates.
• Steric & Hydrolytic Stability: Dual pendant methyl groups combined with the sodium methylsulfonate moiety provide steric hindrance, preventing hydrolysis and thermal degradation.
• Broad-Spectrum Hydrophilicity: The sulfonic acid group ensures excellent hydrophilicity and strong ionic characteristics across the entire pH range.
• Polyelectrolyte Stabilization: Adsorbs onto latex particle surfaces to form a robust electrical double layer (ionosphere), optimizing particle charge density and minimizing gel/coagulum formation.

2. Performance Advantages in Emulsions & Coatings

• Efficiency at Low Dosage: Delivers low emulsion viscosity and exceptional mechanical/colloidal stability at a standard dosage of only 2–3%.
• Additive Reduction: Eliminates the need for glycol-based anti-freeze additives and reduces the consumption of traditional surfactants.
• Film Property Optimization: Enhances film adhesion, thermal stability, antistatic properties, and imparts a smooth, flexible, and comfortable tactile feel.
• Coating Resistance: Substantially improves the water resistance, barrier properties, and wet-scrub resistance of latex paints.
• Carboxylic Acid Alternative: Successfully replaces traditional carboxylic acid monomers to overcome water-sensitivity and thermal limitations.

3. Commercial Applications

• Emulsions & Polymers: Polymer emulsions, waterborne adhesives, sealants, non-woven binders, superabsorbent polymers (SAP), thickeners, and acrylic/styrene/vinyl acetate copolymerization.
• Industrial & Energy: Water treatment chemicals, oilfield chemicals, mining flotation, flocculants, and third monomer for synthetic fibers.
• Textile & Leather: Fabric binders, textile finishing agents, leather tanning, and printing/dyeing polymers.
• Personal Care & Consumer Goods: Cosmetics, detergents, cleaning agents, medical/hygiene products, and daily chemicals.

4. Packaging & Storage Specifications

• Packaging Configurations: 200 kg drums, 1000 kg drums, or Intermediate Bulk Containers (IBC).
• Storage Conditions: Store in a cool, dry, and well-ventilated indoor facility at ambient temperature.

 

The application utility and functions:

  • Water Treatment: Used in scale inhibitors and flocculants for industrial wastewater purification. 
  • Oilfield Chemicals: Provides thermal stability and salt resistance for high-temperature drilling fluids and fluid-loss additives. 
  • Biomedical Hydrogels: Acts as a core component for biocompatible wound dressings and drug delivery systems. 
  • Textile Modification: Improves dyeability, antistatic performance, and moisture permeability in synthetic fibers.
25kg/bag
CAS No.: 15214-89-8

Product Name: 2-Acrylamido-2-methylpropanesulfonic acid(AMPS)

Purity / Assay:98%min
Molecular Formula:C₇H₁₃NO₄S
Molecular Weight:207.25 g/mol
EINECS No.: 239-268-0
Synonym(s):AMPS, ATBS, 2-Acrylamido-2-methylpropanesulfonic acid, 2-Acrylamido-2-methyl-1-propanesulfonic acid

KIERAY CHEM offer AMPS in three distinct forms to suit your specific requirements: AMPS Powder, AMPS Granules/Solid, and AMPS Sodium Salt Aqueous Solution.

Appearance of AMPS Granules/Solid and AMPS Powder

kieray chem amps solid

Actual Bulk Shipping Scenario(AMPS Powder)

kieray chem amps 15214 89 8 powder shipment

For global customers, we provide complete technical documentation to support product evaluation, regulatory compliance and safe handling during transportation and application.

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