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CAS NUMBER: 15214-89-8
EC NUMBER: 239-268-0
MOLECULAR FORMULA: C7H13NO4S
MOLECULAR WEIGHT: 207.24700
2-Acrylamido-2-methylpropane sulfonic acid is a reactive, hydrophilic, sulfonic acid acrylic monomer.
2-Acrylamido-2-methylpropane sulfonic acid is used to alter the chemical properties of wide variety of anionic polymers.
There are over several thousands patents and publications involving use of 2-Acrylamido-2-methylpropane sulfonic acid in many areas including water treatment, oil field, construction chemicals, hydrogels for medical applications, personal care products, emulsion coatings, adhesives, and rheology modifiers.
2-Acrylamido-2-methylpropane sulfonic acid is an important monomer.
2-Acrylamido-2-methylpropane sulfonic acids copolymers or homopolymers with different molecular weight.
2-Acrylamido-2-methylpropane sulfonic acid can be widely used in textile, oil drilling, water treatment, papermaking, dying, coating, cosmetics, electronics, etc.
Because of 2-Acrylamido-2-methylpropane sulfonic acids unique formula structure—containing sulfonic acid group and unsaturated radical, thus showing excellent properties in many aspects.
2-Acrylamido-2-methylpropane sulfonic acid contains strong anionic, water-soluble sulfur groups, shielded amide groups, and unsaturated double bonds, which make it have excellent comprehensive performance. AMPS has good binding, adsorption, biological activity, surface activity, hydrolytic stability, and thermal stability.
2-Acrylamido-2-methylpropane sulfonic acid can be used for copolymerization and processing reactions.
2-Acrylamido-2-methylpropane sulfonic acid can be widely used in various fields such as water treatment, oilfield chemistry, chemical fiber, water-absorbing materials, plastics, coatings, papermaking, textiles, printing and dyeing, biomedicine, magnetic materials, and cosmetics.
2-Acrylamido-2-methylpropane sulfonic acid with the acrylamide acrylic acid monomer homopolymer, they could besludge dehydrating agent in the sewage purification process and preservative of the iron,zinc,aluminum,cooper,alloy in the closed water circulation system, they also could be used ascleaning and scale inhibitor of heatercoolingtowerair cleanerg-cleaner.
2-Acrylamido-2-methylpropane sulfonic acid is rapid development in the application of the oil field chemistry.
The scope including oil well cement admixtures drilling fluid additive acidizing fluid well completion fluid,work over fluid,fracture fluid.
2-Acrylamido-2-methylpropane sulfonic acid is the important monomer which could change the combination property of some synthetic fiber, in particular, the orion and the modacrylic fiber with chloride, the dosage is the 1-4 of the fiber.
2-Acrylamido-2-methylpropane sulfonic acid could improve the white contentdyeing property ntistaticventilation property and flame resistance.
The copolymer of 2-Acrylamido-2-methylpropane sulfonic acid, ethyl acetate and acrylic acid.
2-Acrylamido-2-methylpropane sulfonic acid is the ideal size of the cotton and the polyester blend fabric.
2-Acrylamido-2-methylpropane sulfonic acid has the characteristic of easy to use and east to use the water to remove.
The copolymer of 2-Acrylamido-2-methylpropane sulfonic acid with other watersoluble monomer, this is the indispensable chemical in all kinds of papermaking factory.
2-Acrylamido-2-methylpropane sulfonic acid could be used as the drainage aid and on gel, it could increase the strength of the paper.
2-Acrylamido-2-methylpropane sulfonic acid also could be used as the pigment dispersing agent of color coating.
2-Acrylamido-2-methylpropane sulfonic acid is a reactive, hydrophilic, sulfonic acid acrylic monomer used to alter the chemical properties of wide variety of anionic polymers.
2-Acrylamido-2-methylpropane sulfonic acid is made by the Ritter reaction of acrylonitrile and isobutylene in the presence of sulfuric acid and water.
The recent patent literature describes batch and continuous processes that produce 2-Acrylamido-2-methylpropane sulfonic acid in high purity (to 99.7%) and improved yield (up to 89%, based on isobutene) with the addition of liquid isobutene to an acrylonitrile / sulfuric acid / phosphoric acid mixture at 40°C.
The geminal dimethyl group and the sulfomethyl group combine to sterically hinder the amide functionality and provide both hydrolytic and thermal stabilities to 2-Acrylamido-2-methylpropane sulfonic acid-containing polymers.
The sulfonate group gives the monomer a high degree of hydrophilicity and anionic character at wide range of pH.
2-Acrylamido-2-methylpropane sulfonic acid is absorbing water readily and also imparts enhanced water absorption and transport characteristics to polymers.
2-Acrylamido-2-methylpropane sulfonic acid is very soluble in water and dimethylformamide (DMF) and also shows limited solubility in most polar organic solvents.
2-Acrylamido-2-methylpropane sulfonic acid is a hydrophilic compound that can be used as a dopant and a protonating agent for conducting polymers.
2-Acrylamido-2-methylpropane sulfonic acid is used in a variety of electronic applications.
2-Acrylamido-2-methylpropane sulfonic acid can also be used in the fabrication of Schottky diodes, humidity sensors, and lithium ion batteries.
2-Acrylamido-2-methylpropane sulfonic acid content in the monomer mixture was varied from 0 to 100 mol%.
2-Acrylamido-2-methylpropane sulfonic acid was found that the copolymer composition is equal to the monomer feed composition, indicating that the monomer units distribute randomly along the network chains of the hydrogels.
The monomer conversion versus time histories as well as the growth rate of the gel during the polymerization were found to be independent of the amount of 2-Acrylamido-2-methylpropane sulfonic acid in the initial monomer mixture.
2-Acrylamido-2-methylpropane sulfonic acid was shown that the reaction system separates into two phases at the gel point and the gel grows in a heterogeneous system.
The equilibrium degree of swelling of the final hydrogels increases with increasing 2-Acrylamido-2-methylpropane sulfonic acid content until a plateau is reached at about 10 mol% AMPS.
Between 10 and 30 mol% 2-Acrylamido-2-methylpropane sulfonic acid, the equilibrium gel swelling in water as well as in aqueous NaCl solutions was independent on the ionic group content of the hydrogels.
Further increase in the 2-Acrylamido-2-methylpropane sulfonic acid content beyond this value increased the gel swelling continuously up to 100 mol%.
2-Acrylamido-2-methylpropane sulfonic acid is a highly reactive, hydrophilic, sulphonic acid acrylic monomer used to alter the chemical properties of a large variety of anionic polymers.
The molecular formula of 2-Acrylamido-2-methylpropane sulfonic acid is C7H13NO4S.
The aqueous solution of 2-Acrylamido-2-methylpropane sulfonic acid is acidic in nature and soluble in water but insoluble in acetone.
2-Acrylamido-2-methylpropane sulfonic acid is prepared by the reaction of acrylonitrile and isobutylene in the presence of sulfuric acid and water.
2-Acrylamido-2-methylpropane sulfonic acid along with sodium salt allows the polymers to manufacture high-quality polymers for application in a wide range of consumer and industrial products.
2-Acrylamido-2-methylpropane sulfonic acid is organic, high in productivity and performance and available in both granules and liquid form.
2-Acrylamido-2-methylpropane sulfonic acid monomer has a wide variety of uses including textiles, flocculants, dispersants, scale control agents as well as well-additives.
2-Acrylamido-2-methylpropane sulfonic acid also has uses in water treatment agents (majorly as a scale preventing agent), paper and pulp industry, paint and coatings, good additives, acrylic fibre dyeing aids.
2-Acrylamido-2-methylpropane sulfonic acid has an excellent synthesis, surface activity, absorptivity, biological activity, hydraulic as well as thermal stability.
The use of 2-Acrylamido-2-methylpropane sulfonic acid monomers is diversified in areas including oil fields, construction chemicals, hydrogens for chemicals, adhesives and rheology modifiers, emulsion coatings and personal care products.
2-Acrylamido-2-methylpropane sulfonic acid is suitable for use in co-polymerization and in addition reactions.
2-Acrylamido-2-methylpropane sulfonic acid is popularly used in water treatment, latex adhesives and acrylic fibres.
2-Acrylamido-2-methylpropane sulfonic acid is used in the oil field application in its granule and liquified form because of its impeccable thermal and hydraulic stability.
2-Acrylamido-2-methylpropane sulfonic acid has the property of increasing its viscosity and divalent cation stability making it an ideal solution for many oil field applications.
2-Acrylamido-2-methylpropane sulfonic acid has good complexion, adsorption, biological activity, surface activity, hydrolysis stability and thermal stability.
2-Acrylamido-2-methylpropane sulfonic acid can be used in oil chemical, water treatment, synthetic fiber, printing and dyeing, plastics, water absorbing coatings, paper, bio-medical, magnetic materials and cosmetics industries.
2-Acrylamido-2-methylpropane sulfonic acid is a reactive, hydrophilic, sulfonic acid acrylic monomer used to alter the chemical properties of wide variety of anionic polymers.
2-Acrylamido-2-methylpropane sulfonic acid is a high grade reagent.
2-Acrylamido-2-methylpropane sulfonic acid is a reactive, hydrophilic, sulfonic acid acrylic monomer.
2-Acrylamido-2-methylpropane sulfonic acid is available as a white crystalline powder, which is very soluble in water and dimethylformamide (DMF).
2-Acrylamido-2-methylpropane sulfonic acid can be synthesized by the Ritter reaction of acrylonitrile and isobutylene in the presence of sulphuric acid and water.
2-Acrylamido-2-methylpropane sulfonic acid is a very strong ionic group, and ionizes completely in aqueous solutions.
2-Acrylamido-2-methylpropane sulfonic acid has a wide range of applications in biological and chemical industries.
2-Acrylamido-2-methylpropane sulfonic acid imparts dye receptivity, moisture absorbency, and static resistance to acrylic, modified-acrylic, polypropylene and polyvinylidine fluoride fibers.
2-Acrylamido-2-methylpropane sulfonic acid improves the washing performance of surfactants by binding multivalent cations and reducing attachment of dirt.
2-Acrylamido-2-methylpropane sulfonic acid is used to enhance the water-absorbing and swelling capacity of hydrogels in medical applications.
2-Acrylamido-2-methylpropane sulfonic acid additionally increases water flow, retention and fouling resistance of asymmetric ultrafiltration and microfiltration membranes.
2-Acrylamido-2-methylpropane sulfonic acid is ideal for the synthesis of various compound in industrial processes, and is furthermore widely used in research applications.
2-Acrylamido-2-methylpropane sulfonic acid is a kind of vinyl monomer that contains sulfonic acid gene.
With sound performance of heat stability, 2-Acrylamido-2-methylpropane sulfonic acids decomposition temperature can reach 210°C,and that of the homopolymer of its sodium salt can reach 329°C.
In the aqueous solution,its hydrolytic speed is low,and 2-Acrylamido-2-methylpropane sulfonic acids sodium salt solution has sound performance of antihydrolysis under the term of high PH.
Under the term of acidity,the performance of anti-hydrolysis of its multipolymer is far higher than polyacrylamide.
2-Acrylamido-2-methylpropane sulfonic acid can be made into crystal as well as sodium salt solution.
2-Acrylamido-2-methylpropane sulfonic acid is a reactive, hydrophilic, sulfonic acid acrylic monomer used to alter the chemical properties of wide variety of anionic polymers.
2-Acrylamido-2-methylpropane sulfonic acid has good complexion, adsorption, biological activity, surface activity, hydrolysis stability and thermal stability.
2-Acrylamido-2-methylpropane sulfonic acid can be used in oil chemical, water treatment, synthetic fiber, printing and dyeing, plastics, water absorbing coatings, paper, bio-medical, magnetic materials and cosmetics industries.
2-Acrylamido-2-methylpropane sulfonic acid is an important monomer.
2-Acrylamido-2-methylpropane sulfonic acids copolymers or homopolymers with different molecular weight can be widely used in textile, oil drilling, water treatment, papermaking, dying, coating, cosmetics, electronics, etc.
Because of 2-Acrylamido-2-methylpropane sulfonic acids unique formular structure—containing sulfonic acid group and unsaturated radical, thus showing excellent properties in many aspects.
APPLICATION:
-Acrylic fiber:
A number of enhanced performance characteristics are imparted to acrylic, modified-acrylic, polypropylene and polyvinylidene fluoride fibers: dye receptivity, moisture absorbency, and static resistance.
-Coating and adhesive:
2-Acrylamido-2-methylpropane sulfonic acids sulfonic acid group gives the monomers ionic character over a wide range of pH.
Anionic charges from 2-Acrylamido-2-methylpropane sulfonic acid fixed on polymer particles enhance the chemical and shear stabilities of polymer emulsion and also reduce the amount of surfactants leaching out of paint film.
2-Acrylamido-2-methylpropane sulfonic acid improves the thermal and mechanical properties of adhesives, and increases the adhesive strength of pressure-sensitive adhesive formulations.
-Detergents:
Enhances the washing performance of surfactants by binding multivalent cations and reducing dirt attachment.
-Personal care:
Strong polar and hydrophilic properties introduced to a high molecular weight 2-Acrylamido-2-methylpropane sulfonic acid homopolymer are exploited as a very efficient lubricant characteristic for skin care.
-Medical hydrogel:
High water-absorbing and swelling capacity when 2-Acrylamido-2-methylpropane sulfonic acid is introduced to a hydrogel are keys to medical applications.
Hydrogel with 2-Acrylamido-2-methylpropane sulfonic acid showed uniform conductivity, low electrical impedance, cohesive strength, appropriate skin adhesion, and biocompatible and capable of repeated use and have been used to electrocardiograph (ECG) electrodes, defibrillation electrode, electrosurgical grounding pads, and iontophoretic drug delivery electrodes.
In addition, polymers derived from 2-Acrylamido-2-methylpropane sulfonic acid are used as the absorbing hydrogel and the tackifier component of wound dressings.
2-Acrylamido-2-methylpropane sulfonic acid is used due to its high water absorption and retention capability as a monomer in superabsorbents e. g. for baby diapers.
-Oil field applications:
Polymers in oil field applications have to stand hostile environments and require thermal and hydrolytic stability and the resistance to hard water containing metal ions.
For example, in drilling operations where conditions of high salinity, high temperature and high pressure are present, 2-Acrylamido-2-methylpropane sulfonic acid copolymers can inhibit fluid loss and be used in oil field environments as scale inhibitors, friction reducers and water-control polymers, and in polymer flooding applications.
-Water treatment applications:
The cation stability of the 2-Acrylamido-2-methylpropane sulfonic acid-containing polymers are very useful for water treatment processes.
Such polymers with low molecular weights cannot only inhibit calcium, magnesium, and silica scale in cooling towers and boilers, but also help corrosion control by dispersing iron oxide.
When high molecular weight polymers are used, they can be used to precipitate solids in the treatment of industrial effluent stream.
-Crop protection:
increases in dissolved and nanoparticulate polymer formulations bioavailability of pesticides in aqueous-organic formulations.
-Membranes:
2-Acrylamido-2-methylpropane sulfonic acid increases water flow, retention and fouling resistance of asymmetric ultrafiltration and microfiltration membranes and is being studied as an anionic component in polymer fuel cell membranes.
-Construction applications:
Superplasticizers with 2-Acrylamido-2-methylpropane sulfonic acid are used to reduce water in concrete formulations.
Benefits of these additives include improved strength, improved workability, improved durability of cement mixtures.
Redispersible polymer powder, when 2-Acrylamido-2-methylpropane sulfonic acid is introduced, in cement mixtures control air pore content and prevent agglomeration of powders during the spray-drying process from the powder manufacturing and storage.
Coating formulations with 2-Acrylamido-2-methylpropane sulfonic acid-containing polymers prevent calcium ions from being formed as lime on concrete surface and improve the appearance and durability of coating.
PROPERTIES:
-PH: strong acid PH of 0.1%(Wt) solution is 2.6. 2-Acrylamido-2-methylpropane sulfonic acids sodium salt is neutral
-Stability: stable under room temperature, but its solution should avoid self-polymerization.
-Polymerization: 2-Acrylamido-2-methylpropane sulfonic acid can homopolymerization or copolymerization
PHYSICAL AND CHEMICAL PROPERTIES:
-Density: 1.36 g/cm3 (20 °C)
-Melting Point: 190 °C
-Vapor pressure: <0.1 hPa (25 °C)
-Bulk density: 640 kg/m3
-Solubility: >500 g/l soluble
STORAGE:
Store in a cool, dry, well-ventilate area away from incompatible materials.
SYNONYM:
2-Acrylamido-2-methyl-1-propanesulfonic acid
2-Acrylamido-2-methylpropanesulfonic acid
2-Acrylamide-2-methylpropanesulfonic acid
1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-
2-Acrylamido-2-methylpropanesulphonic acid
2-acrylamido-2-methylpropane-1-sulfonic acid
2-methyl-2-(prop-2-enoylamino)propane-1-sulfonic acid
UNII-490HQE5KI5
2-Acrylamido-2-methylpropanesulfonate
2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
Polyacrylamidomethylpropane sulfonic acid
490HQE5KI5
2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid
DSSTox_CID_7770
DSSTox_RID_78560
DSSTox_GSID_27770
IUPAC NAME:
1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-
1-PROPANESULFONIC ACID, 2-METHYL-2-[(1-OXO-2-PROPENYL)AMINO]
1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-
2-(acryloylamino)-2-methylpropane-1-sulfonic acid
2-Acrylamido-2-Methylpropanesulfonic Acid
2-Acrylamido-2-methylpropanesulfonic Acid
2-Acrylamido-2-methylpropanesulfonic acid
2-Acrylamido-2-methylpropanesulphonic acid
2-acrylamido-2-methylpropanesulphonic acid
