Polyacrylamidomethylpropane sulfonic acid

Chemical Formula:

(C₇H₁₃NO₄S)n (polymeric)

CAS Number:

27119-07-9, mixture

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Polyacrylamidomethylpropane sulfonic acid

Chemical Formula:

(C₇H₁₃NO₄S)n (polymeric)

CAS Number:

27119-07-9, mixture

Polyacrylamidomethylpropane sulfonic acid (commonly known as AMPS or PAMPS) is a highly functional sulfonic acid-containing monomer and polymer. It offers excellent thermal stability, salt tolerance, and thickening properties in aqueous solutions. The polymer provides outstanding viscosity control, lubricity, and film-forming capabilities. It is widely used in water treatment, oilfield, personal care, and industrial applications.

Characteristics

Molar Weight

Variable (high molecular weight polymer)

Solubility

Highly soluble in water

Density

~1.2 – 1.4 g/cm³ (depending on grade)

Forms

White/off-white powder or aqueous solution

Odor

Odorless or faint characteristic odor

USES AND APPLICATIONS

Key applications

Provides excellent viscosity control in fluids.
Improves salt tolerance in aqueous systems.
Acts as rheology modifier in cosmetics.
Used as fluid-loss additive in drilling.
Enhances film-forming and binding properties.

Industries

Oilfield and Drilling
Water Treatment
Cosmetics and Personal Care
Paper and Textile
Adhesives and Coatings

Synonyms

AMPS, 2-acrylamido-2-methylpropane sulfonic acid polymer, pamps, poly(amps), sulfonic acid functional polymer

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