Shaanxi BLOOM Tech Co., Ltd. is one of the most experienced manufacturers and suppliers of 2-methyl-2-propene-1-sulfonic acid sodium salt cas 1561-92-8 in China. Welcome to wholesale bulk high quality 2-methyl-2-propene-1-sulfonic acid sodium salt cas 1561-92-8 for sale here from our factory. Good service and reasonable price are available.
2-Methyl-2-propene-1-sulfonic acid sodium salt, a white crystalline powder, is easily soluble in water, slightly soluble in ethanol and dimethyl sulfoxide, and insoluble in alcohol and other organic solvents. It is a strong oxidant and will be decomposed into toxic gases such as carbon monoxide, carbon dioxide and sulfur oxide after combustion. This product is harmful to human body and irritates eyes, skin and respiratory system. Prevent inhalation, ingestion and contact with skin and clothing. It is mainly used as the third monomer in the production of acrylic fiber, which can improve the dyeing and heat resistance of acrylic fiber; Various reactive emulsifiers, flocculants, water-reducing agents for commercial concrete, etc.
|
Chemical Formula |
C4H7NaO3S |
|
Exact Mass |
158 |
|
Molecular Weight |
158 |
|
m/z |
158 (100.0%), 160 (4.5%), 159 (4.3%) |
|
Elemental Analysis |
C, 30.38; H, 4.46; Na, 14.54; O, 30.35; S, 20.27 |
2-Methyl-2-propene-1-sulfonic Acid Sodium Salt is a white crystalline powder that is soluble in water, slightly soluble in ethanol and dimethyl sulfoxide, and insoluble in other organic solvents. Its melting point is relatively high (usually above 270°C, with some data indicating it is above 300°C), and it is chemically stable at room temperature. However, it needs to be protected from light and sealed to prevent moisture absorption or deterioration. As a functional monomer, methyl methacrylate sulfonate is widely used in multiple industrial fields. Here are its main applications:
Concrete Water Reducing Agent
Methyl methacrylate sulfonate is the key monomer of polymeric carboxylic acid high-performance water reducing agent. By combining with maleic anhydride, polyethylene glycol monomethyl ether, methyl methacrylate, etc., a concrete water reducing agent with low dosage, high water reducing rate, good retardation property and no water absorption can be prepared. This water reducing agent can significantly reduce the water-cement ratio of concrete, improve the fluidity and workability of concrete, and at the same time reduce the water consumption, thereby enhancing the strength and durability of concrete. In large-scale infrastructure construction, such as bridges, tunnels, high-rise buildings, etc., methyl methacrylate sulfonate as the water reducing agent monomer plays a crucial role.
Modification of Acrylic Fibers
Methyl acrylate sulfonate is the third monomer in the polymerization of acrylonitrile, which can significantly improve the dyeing properties, heat resistance, feel, and processability of acrylic fibers. By introducing methyl acrylate sulfonate, the color absorption speed of acrylic fibers increases, the dyeing fastness improves, and the heat resistance is enhanced, making the fibers less prone to deformation in high-temperature environments. Moreover, methyl acrylate sulfonate can also improve the feel of acrylic fibers, making them softer and smoother, and enhancing the wearing comfort. In the textile industry, methyl acrylate sulfonate is used as a modifier for acrylic fibers and is widely applied in the production of high-quality acrylic textiles.
Water Treatment Chemicals
Methyl methacrylate sulfonate can be copolymerized with acrylic acid, acrylamide, maleic anhydride, etc., to produce corrosion inhibitor and scale inhibitor. This corrosion inhibitor and scale inhibitor can effectively inhibit the formation of scale such as calcium phosphate, calcium carbonate, and calcium sulfate, prevent pipeline and equipment from getting clogged, and extend the service life of equipment. At the same time, methyl methacrylate sulfonate can also form a protective film on the metal surface, slow down the corrosion rate, and protect equipment from corrosion damage. In the field of water treatment, methyl methacrylate sulfonate, as the monomer of corrosion inhibitor and scale inhibitor, is widely used in industrial circulating water treatment, boiler water treatment, reverse osmosis membrane treatment, and other scenarios.
Petroleum Chemicals
Sodium methacrylsulfonate can be copolymerized with acrylamide, allyl chloride ammonium, etc., and is used as a dispersant or a fluid loss reducer. During the process of oil extraction, this dispersant or fluid loss reducer can significantly reduce the fluid loss of the drilling fluid, prevent well wall collapse, and improve drilling efficiency. At the same time, sodium methacrylsulfonate can also improve the rheological properties of the drilling fluid, making it easier to carry rock cuttings and keep the wellbore clean. In tertiary oil recovery, sodium methacrylsulfonate is an important component of the oil displacement agent, which can increase the recovery rate of crude oil and increase the oil production.
Other Applications
Apart from the aforementioned applications, 2-Methyl-2-propene-1-sulfonic Acid Sodium Salt also plays a significant role in various fields. For instance, in the paper industry, methyl methacrylate sulfonate can be used as a dry strength agent to enhance the strength and burst resistance of paper; in the coatings field, methyl methacrylate sulfonate can increase the water solubility of thermosetting acrylic resins, thereby improving the performance of the coatings; in the electronic materials field, methyl methacrylate sulfonate can be used to prepare single-ion comb-shaped electrolyte membranes or high absorbent resins, etc.
Safety Analysis
Physical and Chemical Hazards
2-Methyl-2-propene-1-sulfonic Acid Sodium Salt is a white crystalline powder that is soluble in water and slightly soluble in ethanol. It is insoluble in other organic solvents. Its melting point is relatively high (>300°C), and it is chemically stable at normal temperature and pressure. However, it should be avoided from coming into contact with strong oxidants to prevent dangerous reactions. As the combustion product of a strong oxidant, decomposition may release toxic gases such as carbon monoxide, carbon dioxide, and sulfur oxides. Therefore, it should be operated in a well-ventilated environment and equipped with gas handling equipment.
Health Hazards
This substance is irritating to the human body. Contact with the skin, eyes, or inhalation of dust may cause redness, pain, or respiratory discomfort. Long-term exposure may cause damage to organs, so protective equipment, including goggles, respirators, chemical protective clothing, and gloves, should be strictly worn during operation. If accidentally contacted, immediately rinse with plenty of water and seek medical assistance.
Environmental Hazards
Methylpropene sulfonic acid sodium salt may be toxic to aquatic organisms and should not be discharged randomly into water bodies or soil. Waste disposal should follow local environmental protection regulations. It is recommended to be processed by professional institutions to reduce potential impacts on the ecosystem.
Safety Operating Procedures
Storage Conditions: Store in a sealed container in a cool, dry place, away from fire sources, heat sources, and oxidants.
Operation Requirements: Perform operations in a fume hood or a closed system to avoid dust dispersion.
Emergency Measures: Equip with fire extinguishers, eyewash stations, and emergency showers, and develop an emergency response plan for leakage.
Stability Analysis
Chemical Stability
Methylpropene sulfonic acid sodium salt is stable at normal temperature and pressure and is not prone to decomposition or polymerization reactions. However, in high temperatures (close to the melting point) or in the presence of strong acids or strong bases, its structure may be disrupted, resulting in the detachment of sulfonic acid groups or the formation of other by-products. Therefore, extreme pH conditions and high-temperature environments should be avoided.
Thermal Stability
This substance has a high melting point (>300°C), indicating good thermal stability and its use can be within the conventional industrial temperature range. However, during high-temperature processing (such as melt blending), temperature changes need to be monitored to prevent local overheating and decomposition.
Light Stability
Methylpropene sulfonic acid salt is not sensitive to light and will not significantly degrade when exposed to sunlight for a long time. Therefore, it does not require special light-proof storage. However, packaging materials should be selected to be opaque to reduce the potential minor reactions caused by ultraviolet light.
Compatibility
With metal ions: The sulfonic acid group can form complexes with metal ions such as calcium and magnesium, affecting its solubility. In water treatment, this property is used for scale inhibition, but it should be avoided from contacting hard water in other applications.
With organic substances: It is insoluble in most organic solvents, but it can be uniformly mixed with water-based systems and is suitable for emulsion polymerization or water-based coatings.
With oxidants/reductants: It should be avoided from coexisting with strong oxidants (such as potassium permanganate) or reductants (such as sodium sulfite) to prevent oxidation-reduction reactions.
Stability Control in Applications
Water Treatment Field
As a monomer for corrosion inhibition and scale inhibition, methylpropene sulfonic acid sodium salt needs to be copolymerized with acrylic acid, acrylamide, etc. in an alkaline environment to form a stable water-soluble polymer. At this time, the pH value should be controlled between 8-10 to avoid the protonation of sulfonic acid groups leading to precipitation.
Polyacrylate Retarding Agent
When compounded with maleic anhydride and methyl acrylate, the polymerization reaction should be carried out at low temperatures to prevent chain transfer or degradation caused by high temperatures. At the same time, chain transfer agents (such as mercaptoethanol) should be added to control the molecular weight distribution and ensure the stability of the retarder performance.
Petroleum Chemicals
As a dispersant or anti-filtering agent, methylpropene sulfonic acid sodium salt needs to be copolymerized with acrylamide, diethyl diisopropyl chloroammonium, etc. At this point, the reaction needs to be carried out under inert gas protection to prevent oxygen from initiating the termination of free radicals, which would result in a decrease in the molecular weight of the polymer.
Nylon fiber modification
As the third monomer, sodium methacrylate sulfonate can improve the dyeing properties and heat resistance of nylon. During the spinning process, the addition amount of this monomer (usually <5%) needs to be controlled to prevent excessive addition from causing the fibers to become brittle or reducing the processing performance.
2-Methyl-2-propene-1-sulfonic Acid Sodium Salt is an important organic sulfonate compound with the chemical formula C4H7NaO3S. As a bifunctional molecule containing olefin and sulfonic acid groups, MPS Na has a wide range of applications in polymer chemistry, surfactants, and biomedicine. In 1935, German chemist Hans Meerwein first reported the synthesis of 2-methyl-2-propene-1-sulfonic acid while studying the sulfonation reaction of olefins. He used fuming sulfuric acid as a sulfonating agent to achieve selective sulfonation of propylene derivatives under low temperature conditions. In 1943, researchers from DuPont improved this process by adding sodium sulfate to obtain a more stable sodium salt form. In the 1950s, with the development of infrared spectroscopy and nuclear magnetic resonance technology. Early use of sulfonated isobutene with fuming sulfuric acid, followed by neutralization with sodium hydroxide:
(CH₃)₂C=CH₂ + H₂SO₄ → (CH₃)₂C=CHSO₃H
(CH₃)₂C=CHSO₃H + NaOH → MPS-Na + H₂O
The Japanese catalyst company has developed gas-phase catalytic sulfonation technology, which has increased the conversion rate to 92%. Adopting SO3 microreactor technology to achieve continuous and safe production. In 1972, French scientists discovered that MPS Na could serve as an efficient comonomer
- Preparation of temperature and salt resistant oil displacement polymer by copolymerization with acrylamide
- Obtaining ion exchange resin by copolymerization with styrene
In 2010, it was used as a coating material for lithium battery separators. In 1985, Procter&Gamble developed MPS Na derived amphoteric surfactants:
- Critical micelle concentration (CMC): 8.2 mM
- Surface tension: 32.5 mN/m (0.1% aqueous solution)
- Widely used in personal care products such as shampoo and shower gel.
FAQ
1. What is this?
A water-soluble olefin sulfonate with the chemical formula C₄H₇NaO₃S, is commonly used as a monomer for high-molecular-weight polymerization (such as in the preparation of polycarboxylic water-reducing agents) or as a surfactant.
2. What are the main purposes?
Mainly used for:
- The key raw material of polycarboxylate superplasticizer, which enhances the fluidity of concrete.
- Surfactants (emulsifiers, dispersants).
- Hydrophilic modification monomers of high molecular materials.
3. What should be noted when using storage?
Store in a cool and dry place, avoiding moisture and oxidation.
Wear protective gear during operation to prevent inhalation of dust or skin contact.
It dissolves in water, but avoid mixing with strong oxidants or strong acids.
4. Is it safe?
The toxicity is generally low, but long-term or excessive exposure should be avoided. It may cause mild irritation to the skin and eyes. It is recommended to use in a well-ventilated area and take personal protective measures when using. For specific safety data, refer to the product SDS.
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