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2-propenylacrylic Acid


Properties
Product Name 2-Propenylacrylic acid
Cas Number 590-18-1
Formula C6H8O2
Molar Mass 112.13 g/mol
Density 1.015 g/cm3
Boiling Point 195 °C
Melting Point -60 °C
Refractive Index 1.428
Flash Point 115 °C
Solubility Soluble in water
Vapor Pressure 0.69 mmHg at 25 °C
Pka 4.25
Odor Acrid
Viscosity 0.56 cP at 25 °C
FAQ

What is the application of 2-Propenylacrylic acid?

2 - Propenylacrylic acid, also known as sorbic acid, has a wide range of applications.Propenylacrylic Acid, also known by the name sorbic, has many applications.
One of its most prominent uses is in the food industry.It is widely used in the food industry. It serves as an effective food preservative.It is an effective food preserver. Sorbic acid and its salts, such as potassium sorbate, can inhibit the growth of molds, yeasts, and some bacteria.Sorbic acid, as well as its salts such potassium sorbate can inhibit the growth and spread of molds and yeasts. This helps to extend the shelf - life of various food products.This extends the shelf life of different food products. For example, in baked goods like bread, cakes, and pastries, it prevents the formation of mold, which would otherwise spoil the product.In baked goods such as bread, cakes and pastries it prevents mold formation, which would otherwise spoil a product. In cheese, it controls the growth of mold and yeast, maintaining the quality and flavor of the cheese during storage.It controls the growth and development of mold and yeast in cheese, preserving its quality and flavor during storage. In fruit juices and jams, sorbic acid inhibits the growth of spoilage microorganisms, ensuring that these products remain safe for consumption over time.In jams and fruit juices, the sorbic acid prevents the growth of spoilage bacteria, ensuring their safety for consumption.

In the beverage industry, sorbic acid is used to prevent the growth of unwanted microorganisms in soft drinks, wines, and ciders.In the beverage industry sorbic acid prevents the growth of unwanted bacteria in soft drinks, wine, and cider. In non - alcoholic beverages, it stops the growth of yeast, which could cause fermentation and spoilage.In non-alcoholic beverages, sorbic acid stops the growth and fermentation of yeast. In wine, it can help control the growth of bacteria and yeast during the winemaking process and storage, allowing winemakers to better manage the quality and stability of their wines.In wine, it helps control the growth and development of bacteria and fungi during the winemaking and storage process, allowing winemakers better manage the quality of their wines.

The cosmetic and personal care industry also benefits from 2 - Propenylacrylic acid.Propenylacrylic Acid is also used in the cosmetic and personal care industries. It is added to products such as creams, lotions, shampoos, and deodorants.It is added to creams, lotions and shampoos. Sorbic acid helps to prevent the growth of bacteria, fungi, and yeasts in these products.Sorbic acid prevents the growth of bacteria and fungi in these products. This is crucial as cosmetic products often provide an ideal environment for microbial growth due to the presence of water, nutrients, and warm storage conditions.This is important because cosmetic products are often an ideal environment for microorganisms to grow due to the presence water, nutrients and warm storage conditions. By adding sorbic acid, manufacturers can ensure that these products remain free from spoilage, maintain their effectiveness, and are safe for consumers to use.By adding sorbic acids, manufacturers can ensure these products are free from spoilage and maintain their effectiveness. They can also be safe for consumers to consume.

In the pharmaceutical industry, sorbic acid can be used as a preservative in some liquid medications, including syrups and suspensions.In the pharmaceutical industry, some liquid medications such as syrups and suspensions can be preserved with sorbic acid. It helps to prevent the growth of microorganisms that could contaminate these products, ensuring the quality and safety of the medications.It prevents the growth of microorganisms which could contaminate the products. This ensures the quality and safety. This is especially important as any microbial contamination in pharmaceuticals could have serious consequences for patients' health.This is important because any microbial contamination of pharmaceuticals can have serious health consequences for patients.

In addition, 2 - Propenylacrylic acid can be used in the preservation of some industrial products.2 - Propenylacrylic Acid can also be used to preserve some industrial products. For example, in paints, coatings, and adhesives, it can prevent the growth of mold and bacteria, which could otherwise affect the performance and appearance of these products.In paints, coatings and adhesives it can be used to prevent the growth and spread of bacteria and mold, which would otherwise affect their performance and appearance. In the paper and pulp industry, it can be used to control the growth of microorganisms in the processing water, reducing the risk of slime formation and improving the quality of the final paper products.In the paper and paper pulp industry, it is used to control the microorganisms that grow in the processing water. This reduces the risk of slime and improves the quality of final paper products.

What are the properties of 2-Propenylacrylic acid?

2 - Propenylacrylic acid, also known as sorbic acid, has several notable properties.Propenylacrylic Acid, also known by the name sorbic acid has a number of notable properties.
Physical properties: Sorbic acid is a white, crystalline solid.Physical properties: Sorbic Acid is a white crystalline solid. It has a melting point in the range of 132 - 135 degC.It has a melting temperature between 132 and 135 degrees Celsius. This relatively high melting point is due to the presence of intermolecular forces such as hydrogen bonding and van der Waals forces.This high melting point is due in part to intermolecular forces, such as hydrogen bonds and van der Waals. The compound is slightly soluble in water, with a solubility of about 0.2 g/100 mL at 20 degC.The compound is only slightly soluble in aqueous solutions, with a solubility around 0.2 g/100mL at 20 degrees Celsius. However, it is more soluble in organic solvents like ethanol, acetone, and chloroform.It is more soluble when it comes to organic solvents such as acetone, ethanol, and chloroform. Its low solubility in water can be attributed to the non - polar nature of its hydrocarbon part, while the carboxylic acid group provides some degree of water - solubility through hydrogen bonding with water molecules.The low solubility of this compound in water is due to its non-polar hydrocarbon part. However, the carboxylic group can provide some water-solubility by hydrogen bonding.

Chemical properties: The most reactive part of 2 - propenylacrylic acid is its carboxylic acid group (-COOH).Chemical properties: The carboxylic acid group (COOH) is the most reactive part of 2-propenylacrylic Acid. It can undergo typical carboxylic acid reactions.It can undergo carboxylic acid reactions. For example, it can react with bases to form salts.It can, for example, react with bases to produce salts. When reacted with sodium hydroxide (NaOH), it forms sodium sorbate, which is more soluble in water than sorbic acid itself.When it reacts with sodium hydroxide, it forms sodium sorbate. This is more water-soluble than sorbic acids themselves. This property is often exploited in food preservation, as sodium sorbate is a commonly used food additive.This property is often used in food preservation as sodium sorbate, a common food additive, is commonly used.

The unsaturated carbon - carbon double bonds in 2 - propenylacrylic acid also endow it with reactivity.Its reactivity is also due to the unsaturated double carbon-carbon bonds found in 2 -propenylacrylic Acid. It can participate in addition reactions.It can be involved in addition reactions. For instance, it can react with bromine (Br2) in an addition reaction across the double bonds, decolorizing the bromine solution.It can, for example, react with bromine (Br2) to decolorize the bromine solution in an addition reaction. This reaction is characteristic of alkenes.This reaction is typical of alkenes. The double bonds also make it susceptible to oxidation, especially in the presence of strong oxidizing agents.Double bonds make it more susceptible to oxidation. Oxidation can lead to the breakdown of the molecule and the formation of various oxidation products.Oxidation may lead to the breakdown and formation of oxidation products.

Another important chemical property is its ability to act as a preservative.Its ability to act as an anti-oxidant is another important chemical property. Sorbic acid and its salts inhibit the growth of molds, yeasts, and some bacteria.Sorbic acid, along with its salts, inhibits the growth of yeasts, molds, and certain bacteria. The mechanism of action is thought to involve interfering with the metabolic processes of these microorganisms.It is believed that the mechanism of action involves interfering with these microorganisms' metabolic processes. It can disrupt the function of enzymes involved in their growth and reproduction, thereby extending the shelf - life of food products, cosmetics, and pharmaceuticals.It can interfere with the enzymes that are involved in their growth and replication, extending the shelf life of food, cosmetics and pharmaceuticals.

In terms of stability, sorbic acid is relatively stable under normal storage conditions.Under normal storage conditions, sorbic Acid is relatively stable. However, in the presence of light, heat, or certain catalysts, it may undergo chemical changes such as isomerization or degradation.In the presence of heat, light, or certain catalysts it can undergo chemical changes, such as degradation or isomerization. For example, prolonged exposure to light can cause the double bonds to isomerize, which may potentially affect its preservative efficacy.In the presence of light, for example, the double bonds can isomerize. This could affect its ability to preserve food. Overall, these physical and chemical properties make 2 - propenylacrylic acid a useful compound in various industries, especially in food and beverage preservation.These physical and chemical properties make 2-propenylacrylic an acid useful in many industries, including food and beverage preservation.

How is 2-Propenylacrylic acid synthesized?

2 - Propenylacrylic acid, also known as sorbic acid, can be synthesized through several methods.2 - Propenylacrylic acids, also known by the name sorbic acid can be synthesized using several methods. One common approach is the condensation reaction between crotonaldehyde and ketene.One common method is the condensation reaction of crotonaldehyde with ketene.
In this synthesis, crotonaldehyde serves as a key starting material.In this synthesis crotonaldehyde is the key starting material. Ketene is generated in - situ or added directly.Ketene can be produced in-situ or added directly. The reaction is typically carried out in the presence of a suitable catalyst.Typically, the reaction takes place in the presence a suitable catalyser. The reaction mechanism involves the nucleophilic attack of the carbon - carbon double bond in crotonaldehyde on the electrophilic carbon of ketene.The reaction is a nucleophilic attack by the carbon-carbon double bond of crotonaldehyde onto the electrophilic carbon in ketene. This leads to the formation of an intermediate, which then undergoes further rearrangement and elimination steps to yield 2 - propenylacrylic acid.This leads to a formation of an intermediary, which is then subjected to further rearrangement steps and elimination to yield 2 – propenylacrylic acids.

Another method involves the reaction of malonic acid with acrolein.Acrolein and malonic acid can be used in a second method. Malonic acid contains two carboxyl groups, and acrolein has a reactive carbon - carbon double bond and an aldehyde group.Acrolein and malonic acid both contain two carboxyl groups. First, malonic acid reacts with a base to form the malonate anion.Malonic acid first reacts with a basic to form the anion malonate. The malonate anion then undergoes a Michael - type addition to the double bond of acrolein.The double bond of acrolein is then added to the malonate anion by a Michael-type addition. After the addition, a decarboxylation reaction occurs.A decarboxylation occurs after the addition. The heat - induced decarboxylation leads to the removal of one of the carboxyl groups from the intermediate as carbon dioxide gas, resulting in the formation of 2 - propenylacrylic acid.The heat-induced decarboxylation results in the removal of one carboxyl group from the intermediate, as carbon dioxide gas. This leads to the formation of 2-propenylacrylic Acid.

Industrial production of sorbic acid often uses methods that are optimized for large - scale synthesis, cost - effectiveness, and product purity.In industrial production, sorbic acid is often produced using methods that are optimized for cost-effectiveness, large-scale synthesis, and product purity. These processes may involve careful control of reaction conditions such as temperature, pressure, and reactant ratios.These processes can involve the careful control of reaction conditions, such as temperature, pressurization, and reactant ratios. For example, the reaction temperature in the crotonaldehyde - ketene method is usually precisely controlled to ensure high - yield formation of the product.The reaction temperature of the crotonaldehyde – ketene method, for example, is precisely controlled to ensure high – yield formation of the final product. Additionally, purification steps such as distillation, crystallization, or chromatography are employed to obtain pure 2 - propenylacrylic acid.Purification steps like crystallization, chromatography, and distillation are also used to obtain pure 2-propenylacrylic acids. These purification steps are crucial as sorbic acid is widely used in the food industry as a preservative, where high purity is essential to ensure safety and efficacy.These purification steps play a crucial role in the food industry, where sorbic acid is used as a preservative. High purity is required to ensure safety and effectiveness.

What are the safety precautions when handling 2-Propenylacrylic acid?

2 - Propenylacrylic acid, also known as sorbic acid, has certain safety - related aspects to consider during handling.Propenylacrylic Acid, also known by the name sorbic acid has certain safety-related aspects to consider when handling.
First, in terms of personal protective equipment.Personal protective equipment is the first thing to consider. When handling 2 - Propenylacrylic acid, it is essential to wear appropriate respiratory protection.It is important to wear respiratory protection when handling 2 - Propenylacrylic Acid. Since it may release vapors or fine dust particles, a dust mask or a respirator with suitable filters can prevent inhalation of these substances.A dust mask or respirator with appropriate filters can help prevent inhalation. Inhalation can potentially cause irritation to the respiratory tract, leading to coughing, shortness of breath, or more serious long - term respiratory problems if exposure is repeated or excessive.Inhalation of these substances can cause irritation to the respiratory system, resulting in coughing, shortness-of-breath, or even more serious long-term respiratory problems.

Eye protection is equally crucial.Eye protection is also important. Splash - proof goggles should be worn.Wear splash-proof goggles. 2 - Propenylacrylic acid can cause eye irritation, and in severe cases, it may damage the eyes.Propenylacrylic Acid can cause eye irritation and, in severe cases, damage to the eyes. Even a small amount of the acid getting into the eyes can lead to pain, redness, and possible impairment of vision.Even a small amount can cause pain, redness and even impairment of vision if it gets into the eyes.

For skin protection, wear chemical - resistant gloves. The acid can cause skin irritation, and prolonged or repeated contact may lead to dermatitis.The acid can cause irritation to the skin, and repeated or prolonged contact can lead to dermatitis. A lab coat or other protective clothing should also be worn to prevent the acid from coming into contact with the body.Wearing a lab coat or other protective clothing will also prevent the acid from contacting the body.

In the handling environment, ensure good ventilation.Assure good ventilation in the handling environment. Adequate ventilation helps to disperse any vapors that may be released during handling.Adequate ventilation will help disperse any vapors released during handling. This can be achieved through natural ventilation or by using exhaust fans in the work area.Natural ventilation or exhaust fans can be used to achieve this. Storing 2 - Propenylacrylic acid also requires attention.Propenylacrylic Acid 2 must also be stored with care. It should be stored in a cool, dry place, away from heat sources and incompatible substances.Store it in a cool and dry place away from heat sources or incompatible substances. Heat can accelerate decomposition or increase the volatility of the acid.Heat can accelerate the decomposition of the acid or increase its volatility. Substances such as strong oxidizing agents, bases, and some metals can react with 2 - Propenylacrylic acid, potentially leading to dangerous chemical reactions, so they should be stored separately.Store 2 - Propenylacrylic Acid separately from strong oxidizing agents and bases.

In case of accidental exposure, immediate action is necessary.If you accidentally expose yourself to the substance, it is important that you take immediate action. If it gets on the skin, wash the affected area thoroughly with plenty of water for at least 15 minutes.If it gets onto the skin, thoroughly wash the affected area with plenty of water and for at least 15 mins. If it gets into the eyes, rinse the eyes continuously with running water for a longer period, typically 15 - 20 minutes, and seek immediate medical attention.If it gets in the eyes, rinse them continuously with running water over a longer period of time, usually 15 to 20 minutes. Seek immediate medical attention if symptoms persist. In case of inhalation, move to an area with fresh air and get medical help if symptoms such as difficulty breathing persist.If you inhale it, get medical attention if you experience symptoms like difficulty breathing. If ingested, do not induce vomiting unless directed by medical personnel, and seek emergency medical treatment promptly.If you ingest the substance, do not induce vomiting without medical supervision. Seek immediate medical attention if symptoms persist.

What is the price range of 2-Propenylacrylic acid?

The price range of 2 - Propenylacrylic acid can vary significantly depending on several factors.The price of 2 - Propenylacrylic Acid can vary greatly depending on several factors.
One of the main factors influencing its price is purity.Purity is one of the major factors that influence its price. Higher purity grades of 2 - Propenylacrylic acid generally command a higher price.The price of higher purity grades of 2 – Propenylacrylic acids is generally higher. For instance, technical - grade 2 - Propenylacrylic acid, which may have a purity of around 90 - 95%, could be relatively more affordable.Technical - grade 2 Propenylacrylic Acid, with a purity around 90-95%, may be more affordable. In the market, this grade might be priced in the range of $20 - $50 per kilogram.This grade could be priced between $20 and $50 per kilogram. This is often used in applications where extremely high purity is not a strict requirement, such as in some basic industrial polymer manufacturing processes.This grade is used in applications that do not require a high level of purity, such as some basic industrial polymer manufacturing.

On the other hand, for applications in the pharmaceutical or high - end specialty chemical industries, a much higher purity level, perhaps 99% or even higher, is needed.For applications in the pharmaceutical and high-end specialty chemical industries, however, a higher purity level is required, perhaps even 99%. The price for this ultra - high - purity 2 - Propenylacrylic acid can jump substantially.The price of this ultra-high-purity 2 - Propenylacrylic Acid can increase dramatically. It could range from $100 - $300 per kilogram or even more.The price could be anywhere between $100 and $300 per kilogram, or even more. The additional cost is due to the more complex purification processes required to achieve such high purity levels.The higher cost is due to more complex purification procedures required to achieve high purity levels.

Another factor affecting the price is the scale of production and supply - demand dynamics.The scale of production, and the dynamics of supply-demand, are also factors that affect the price. If there is a large - scale production of 2 - Propenylacrylic acid, economies of scale can come into play.If 2 - Propenylacrylic Acid is produced in large quantities, economies of size can be realized. Larger production volumes can lead to lower production costs per unit, which may translate into a more competitive price.A larger production volume can result in lower production costs per unit. This may translate to a more competitive pricing. For example, in regions where there are multiple large - scale chemical manufacturers producing 2 - Propenylacrylic acid, the price may be on the lower end of the spectrum.In regions where there are several large-scale chemical manufacturers producing 2-propenylacrylic acids, the price could be lower.

Conversely, if the demand for 2 - Propenylacrylic acid suddenly spikes, perhaps due to a new emerging application in a growing industry, and the supply cannot keep up immediately, the price will increase.If the demand for 2 – Propenylacrylic Acid suddenly increases, perhaps because of a new application in a growing business, and the supply is not able to keep up, the price may increase. Additionally, raw material costs also play a role.Raw material costs are also important. If the cost of the raw materials used to synthesize 2 - Propenylacrylic acid, such as specific hydrocarbons or other chemical feedstocks, rises, the price of 2 - Propenylacrylic acid will likely follow suit.If the cost of raw materials, such as hydrocarbons and other chemical feedstocks used to synthesize 2-propenylacrylic acids, increases, the price of 2-propenylacrylic will likely follow.

In summary, the price range of 2 - Propenylacrylic acid can span from approximately $20 per kilogram for lower - purity, large - volume, and less - specialized grades to over $300 per kilogram for high - purity, specialty - grade products, with the exact price being determined by a combination of purity, production scale, supply - demand, and raw material cost factors.The price range for 2 – Propenylacrylic Acid can range from $20 per kilogram or less for lower – purity, larger – volume, and less – specialized grades, to over $300 per kg for high ­ purity, specialty ­grade products. The exact price is determined by a combination ­ of purity, production scales, supply — demand, and raw materials cost factors.