Chemical Formula | C7H8F N |
Molar Mass | 125.14 g/mol |
Appearance | Colorless to light yellow liquid |
Boiling Point | 184 - 186 °C |
Melting Point | N/A |
Density | 1.079 g/mL at 25 °C |
Solubility In Water | Slightly soluble |
Flash Point | 74 °C |
Odor | Aminic odor |
Ph | Basic |
Refractive Index | 1.523 - 1.526 |
Chemical Formula | C7H8F N |
Molecular Weight | 125.14 |
Appearance | Liquid (usually) |
Boiling Point | Approximately 178 - 180 °C |
Density | Around 1.07 g/cm³ |
Solubility In Water | Slightly soluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, diethyl ether |
Flash Point | Approx. 63 °C |
Odor | Aminic, pungent odor |
What are the chemical properties of o-Fluorobenzyl amine?
O-Fluorobenzyl amine is also an organic compound. It is active and has a wide range of uses in the field of organic synthesis.
This substance is alkaline, because there are amino groups ($- NH_ {2} $) in the molecule. The nitrogen atom in the amino group has a lone pair of electrons, which can bind protons ($H ^{+}$), so it is alkaline. Its alkalinity enables it to react with acids to form salts. If it reacts with hydrochloric acid, the amino nitrogen atom binds hydrogen ions to form corresponding salts.
The nucleophilicity of o-fluorobenzyl amine is also an important chemical property. The nitrogen atom of the amino group is rich in electrons and can be used as a nucleophilic reagent to attack atoms or groups that lack electrons. In many organic reactions, such as nucleophilic substitution reaction, the amino group of o-fluorobenzyl amine can replace the halogen atom of halogenated hydrocarbons to form new carbon-nitrogen bonds, thereby constructing a variety of organic compound structures.
And because of its benzyl structure, o-fluorobenzyl amine has certain stability, but the hydrogen atom on the benzyl group can be replaced under appropriate conditions. The introduction of fluorine atoms affects the electron cloud distribution of the molecule, so that the reactivity of o-fluorobenzyl amine is slightly different from that of unfluorinated benzyl amines. The fluorine atom has a large electronegativity and a significant electron-withdrawing effect, which can reduce the electron cloud density of the benzene ring, which in turn affects the electrophilic substitution reactivity on the benzene ring.
In addition, the reaction conditions involved in o-fluorobenzyl amine are diverse, depending on the specific reaction requirements, or catalysts, heating and other conditions are required to promote the reaction and obtain the desired product.
What are the main uses of o-Fluorobenzyl amine?
O-Fluorobenzyl amine is widely used and has important applications in many fields.
In the field of medicinal chemistry, it is an important intermediate in organic synthesis. Through specific chemical reactions, it can be introduced into the molecular structure of drugs, which affects the activity, solubility and affinity of drug molecules. For example, in the development of new antibacterial drugs, o-Fluorobenzyl amine can become a key part of the drug structure through a series of reactions, helping the drug to better inhibit bacterial growth and reproduction. This is because of its unique chemical structure, which can precisely bind to specific targets in bacteria, thereby demonstrating antibacterial efficacy.
In the field of materials science, o-Fluorobenzyl amine also plays an important role. When preparing high-performance polymer materials, introducing them as monomers or modifiers can effectively improve the properties of polymers. Like in the synthesis of special engineering plastics, the addition of o-fluorobenzyl amine can enhance the mechanical strength, thermal stability and chemical stability of plastics. This is because the functional groups in o-fluorobenzyl amine can interact with the polymer molecular chain to form a more stable structure, thereby improving the material properties.
In the field of pesticide chemistry, o-fluorobenzyl amine is an important raw material for the synthesis of new pesticides. Pesticide molecules with high insecticidal, bactericidal or herbicidal activities can be constructed. For example, synthetic insecticides containing o-fluorobenzyl amine structure have high selectivity and high-efficiency killing effect on specific pests. This is because its structure can specifically interfere with the physiological and metabolic processes of pests, making it difficult for pests to survive and multiply, thus protecting crops from insect infestation and improving crop yield and quality.
What are the synthesis methods of o-Fluorobenzyl amine?
There are several ways to synthesize o-Fluorobenzyl amine (o-fluorobenzyl amine). The first is to use o-fluorobenzoic acid as the starting material, and first convert it into o-fluorobenzoate, which can be obtained by esterification with alcohol under acid catalysis. Subsequently, the o-fluorobenzyl ester is reduced with a strong reducing agent such as lithium aluminum hydride, so that the ester group is converted into an amino group, and then o-fluorobenzyl amine is obtained. This process requires careful operation. Due to the strong reactivity of lithium aluminum hydride, the reaction conditions are strict, and it needs to be carried out in an anhydrous environment to prevent it from reacting violently with water.
The second method can be prepared by the reaction of o-fluorobenzyl chloride with ammonia. The chlorine atom of o-fluorobenzyl chloride has high reactivity and can undergo nucleophilic substitution reaction with ammonia. The o-fluorobenzyl chloride is placed in an alcohol solution of ammonia, heated to reflux, and the chlorine atom is replaced by an amino group to form o-fluorobenzyl amine. However, in this reaction, the amount of ammonia should be appropriately excessive to ensure that the reaction is fully carried out. At the same time, attention should be paid to the control of reaction temperature and time to avoid side reactions and affect the purity of the product.
Another method is to use o-fluorobenzaldehyde as a raw material. Shilling o-fluorobenzaldehyde and nitromethane undergo a condensation reaction under alkali catalysis to form o-fluorobenzaldehyde - β - nitrophenylvinyl. Then, the product is catalyzed by hydrogenation reduction, the nitro group is converted into an amino group, and the double bond is also reduced to obtain o-fluorobenzyl amine. The key to this method lies in the selection of the base catalyst for the condensation reaction, and the optimization of the catalyst activity and reaction conditions in the hydrogenation reduction step to improve the yield and product purity.
What to pay attention to when storing and transporting o-Fluorobenzyl amine
O-Fluorobenzamine is an organic compound. When storing and transporting, many key things need to be paid attention to.
The first safety protection. O-Fluorobenzamine is toxic and irritating, and contact can cause skin, eye and respiratory damage. When storing, the operator must wear appropriate protective equipment, such as protective gloves, goggles and gas masks, to prevent direct contact or inhalation of its volatile gases.
This is the second storage condition. This substance should be stored in a cool and well-ventilated place, away from fire and heat sources. Because it is flammable, it can be burned in case of open flames and hot topics. Fireworks must be strictly prohibited in the storage area. At the same time, it should be stored separately from oxidants, acids, etc., and must not be mixed, because violent reactions may occur, resulting in safety accidents.
Furthermore, the transportation link cannot be ignored. Before transportation, the packaging must be ensured to be tight to prevent leakage. During transportation, relevant regulations and operating procedures must be strictly followed to avoid violent vibration, impact and dumping. Transportation vehicles should be equipped with corresponding fire equipment and leakage emergency treatment equipment in order to deal with emergencies.
In addition, storage places and transportation vehicles should also be set up with clear warning signs, indicating the characteristics and hazards of substances, so that relevant personnel can see at a glance and enhance safety awareness. Only by strictly controlling all aspects of storage and transportation and paying attention to the above points can we ensure the safety of o-fluorobenzyl amine during storage and transportation and reduce the risk of accidents.
What is the market price of o-Fluorobenzyl amine?
O - Fluorobenzyl amine is one of the organic compounds. As for its market price, it is difficult to determine. The change in its price is controlled by various factors.
The first one to bear the brunt is the situation of supply and demand. If there are many people in the market who want it, but the supply is small, the price will rise; on the contrary, if the supply exceeds the demand, the price will drop from time to time. For example, when a certain industry suddenly flourished in the past, it needed this compound as a raw material, and the demand was like a tide, and its price also rose.
Furthermore, the price of raw materials is also related to its price. The production of o - Fluorobenzyl amine requires specific raw materials. If the price of raw materials increases, its cost will increase, and the price will also rise accordingly. In the past, the origin of raw materials was in disaster, the raw materials were scarce, and the price remained high. The price of o-Fluorobenzyl amine also rose.
The method and cost of preparation also affect its price. If the new method can save labor and materials, the cost will decrease, and the price is expected to decrease. On the contrary, if the system is not easy, the cost will be high, and the price will also be difficult to reduce.
In addition, policies and regulations, international situation, etc., also have an impact. Tariffs and changes in trade policies can make prices different. International unrest and blocked transportation can also cause price fluctuations.
In conclusion, in order to know the exact market price of o-Fluorobenzyl amine, it is necessary to carefully examine the current supply and demand, raw material prices, preparation costs and various related factors in order to obtain a more accurate number.