2-acrylamido-2-methylpropanesulfonate
2-Acryloylamino-2-methyl-1-propanesulfonic acid
CAS: 15214-89-8
Molecular Formula: C7H13NO4S
2-acrylamido-2-methylpropanesulfonate - Names and Identifiers
2-acrylamido-2-methylpropanesulfonate - Physico-chemical Properties
| Molecular Formula | C7H13NO4S |
| Molar Mass | 207.25 |
| Density | 1.45 |
| Melting Point | 195 °C (dec.) (lit.) |
| Flash Point | 160 °C |
| Water Solubility | 1500 g/L (20 ºC) |
| Solubility | Soluble in water, the solution is acidic. Soluble in dimethylamide, partially soluble in methanol, ethanol, hardly soluble in acetone. Slightly sour. PH value: strong acid, the PH value of 0.1% (weight ratio) aqueous solution is 2.6. Its sodium salt solution is neutral. It is stable at room temperature, but its aqueous solution must be added with a polymerization inhibitor to prevent it from |
| Appearance | White crystal |
| Color | White |
| BRN | 1946464 |
| pKa | 1.67±0.50(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Light Sensitive |
| Sensitive | Hygroscopic |
| Refractive Index | 1.6370 (estimate) |
| MDL | MFCD00007522 |
| Physical and Chemical Properties | Density 1.45 melting point 195 oC flash point 160 oC water solubility 1500G/L (20 oC) |
| Use | Is a homopolymer and comonomer, widely used in oilfield, textile, papermaking, water treatment, synthetic fiber, printing and dyeing, plastics, water-absorbing coatings, Biomedical |
2-acrylamido-2-methylpropanesulfonate - Risk and Safety
| Risk Codes | R34 - Causes burns R21/22 - Harmful in contact with skin and if swallowed. R41 - Risk of serious damage to eyes R37 - Irritating to the respiratory system R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S22 - Do not breathe dust. |
| UN IDs | UN 2585 8/PG 3 |
| WGK Germany | 1 |
| RTECS | TZ6658000 |
| TSCA | Yes |
| HS Code | 29241900 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 1000 - 2000 mg/kg |
2-acrylamido-2-methylpropanesulfonate - Upstream Downstream Industry
2-acrylamido-2-methylpropanesulfonate - Introduction
The product has polymerizable vinyl and hydrophilic sulfonic acid groups in the molecule, and can be copolymerized with water-soluble monomers such as acrylonitrile and acrylamide, and water-insoluble monomers such as styrene and vinyl chloride. The hydrophilic sulfonic acid group is introduced into the polymer to make the fiber, film, etc. have moisture absorption, water permeability and conductivity.
Last Update：2022-10-16 17:14:07
2-acrylamido-2-methylpropanesulfonate - Reference Information
| LogP | -3.7 at 20℃ and pH1-7 |
| surface tension | 70.5mN/m at 1g/L and 20 ℃ |
| dissociation constant | 2.4 at 20 ℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Introduction | 2-acrylamido-2-methylpropanesulfonic acid (AMPS) is a water-soluble sulfonic acid group with strong anion, which makes it salt resistance, high temperature resistance, dyeing affinity, electrical conductivity, ion exchange and good resistance to divalent cations; The amide group makes it have good hydrolysis stability, acid-alkali resistance and thermal stability; the active double bond makes it have addition polymerization performance and can produce copolymers with a variety of hydrocarbon monomers. |
| properties | 2-acrylamido-2-methylpropanesulfonic acid has good polymerization properties, can be homopolymerized by itself or copolymerized with various other monomers to synthesize millions or even tens of millions of high molecular weight polymers. |
| application | homopolymers of 2-acrylamido-2-methylpropanesulfonic acid and copolymers of AMPS and other monomers are widely used in textiles, printing and dyeing, plastics, coatings, papermaking, wastewater treatment, daily chemicals, leather and oilfield chemistry. AMPS is used as a modified monomer of acrylic fiber, which can significantly improve the spinnability, dyeing, antistatic, abrasion resistance, whiteness and transparency of the fiber; AMPS is used to prepare super absorbent resin, which can improve the ability of resin to absorb salt water. |
| use | 2-acryloyamido-2-methyl-1-propane sulfonic acid (AMPS) has polymerizable vinyl group and hydrophilic sulfonic acid group in the molecule, which can be copolymerized with water-soluble monomers such as acrylonitrile and acrylamide, and water-insoluble monomers such as styrene and vinyl chloride. The hydrophilic sulfonic acid group is introduced into the polymer to make the fiber, film, etc. have moisture absorption, water permeability and conductivity. Can be used in paper industry and wastewater treatment. Used as coating modifier, fiber modifier and medical polymer. 2-acrylamido-2-methylpropanesulfonic acid can be homopolymerized or copolymerized. The average polymerization heat of 2-acrylamido-2-methylpropanesulfonic acid in water is 22 kcal/kuramide, which can be used as a polymerization medium. Generally, water-soluble ammonium persulfate, hydrogen peroxide, etc. are used as initiators. Commonly used monomers with 2-acrylamido-2-methylpropanesulfonic acid include acrylonitrile, the product has polymerizable vinyl group and hydrophilic sulfonic acid group in the molecule, which can be copolymerized with water-soluble monomers such as acrylonitrile and acrylamide, and water-insoluble monomers such as styrene and vinyl chloride. The hydrophilic sulfonic acid group is introduced into the polymer to make the fiber, film, etc. have moisture absorption, water permeability and conductivity. Can be used in paper industry and wastewater treatment. Used as coating modifier, fiber modifier and medical polymer. 2-acrylamido-2-methylpropanesulfonic acid can be homopolymerized or copolymerized. The average polymerization heat of 2-acrylamido-2-methylpropanesulfonic acid in water is 22 kcal/kuramide, which can be used as a polymerization medium. Generally, water-soluble ammonium persulfate, hydrogen peroxide, etc. are used as initiators. Commonly used monomers with 2-acrylamido-2-methylpropanesulfonic acid include acrylonitrile, acrylic acid, acrylamide, styrene, ethyl acetate, etc. It is a homopolymer and comonomer, widely used in oil fields, textiles, papermaking, water treatment, synthetic fibers, printing and dyeing, plastics, water-absorbing coatings, biomedicine, etc. |
| production method | there are two kinds of one-step method and two-step method. The one-step method is to react the raw materials acrylonitrile, isobutylene and fuming sulfuric acid together. The two-step method is to sulfonate isobutene in the presence of a reaction solvent to obtain a sulfonated intermediate, and then react with acrylonitrile in the presence of sulfuric acid. One-step method is more economical. Raw material consumption quota: isobutene 300kg/t, acrylonitrile 290kg/t, fuming sulfuric acid 560kg/t. |
Last Update：2024-04-10 22:29:15
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View History
2-acrylamido-2-methylpropanesulfonate
Ethoxyethanol
Ferrate(3-), tris(oxalato)-, triammonium
Ammonium, tetraethyl-, nitrate
4-[(4,6-Dimethylpyrimidin-2-Yl)Thio]Aniline
(S) 1-BOC-3-hydroxylpyrrolidine
POLY(ETHYLENE SUCCINATE)
丙纶油剂
异辛酯
Ethoxyethanol
Ferrate(3-), tris(oxalato)-, triammonium
Ammonium, tetraethyl-, nitrate
4-[(4,6-Dimethylpyrimidin-2-Yl)Thio]Aniline
(S) 1-BOC-3-hydroxylpyrrolidine
POLY(ETHYLENE SUCCINATE)
丙纶油剂
异辛酯
Raw Materials for 2-acrylamido-2-methylpropanesulfonate