O-Toluidine-4-Sulfonic Acid(Nh2=1)

Lingxian Chemical

Specifications

HS Code	786129
Chemical Formula	C7H9NO3S
Molecular Weight	187.216 g/mol
Appearance	White to off - white solid
Solubility In Water	Soluble
Melting Point	126 - 128 °C
Pka Value	around 3.0 (approximate, for the sulfonic acid group)
Odor	Odorless or very faint odor
Density	Approximately 1.4 g/cm³ (estimated)
Stability	Stable under normal conditions, may decompose on heating or in contact with strong oxidizing agents

Packing & Storage

Packing	250g of O - Toluidine - 4 - Sulfonic Acid (Nh2=1) packaged in a sealed plastic bag.
Storage	O - Toluidine - 4 - Sulfonic Acid (Nh2 = 1) should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly - sealed container to prevent moisture absorption and contact with air, which could lead to degradation. Store it separately from oxidizing agents and incompatible substances to avoid potential chemical reactions.
Shipping	O - Toluidine - 4 - Sulfonic Acid (Nh2 = 1) is shipped in sealed, corrosion - resistant containers. It follows strict chemical shipping regulations to ensure safe transport, minimizing risks during transit.

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General Information

Historical Development

O-Toluidine-4 - Sulfonic Acid ($Nh_2 = 1 $) has been traced back to its origin, and chemical research has gradually flourished in the early years. All the sages are committed to the exploration of new qualities. At that time, the art of organic synthesis was first born, and everyone studied aromatic compounds very deeply.
When this agent first appeared, it was only a small step in the chemical search. However, with the passage of time, the chemical technology has become more and more exquisite. Scholars have more thoroughly studied the analysis of molecular structure and reaction mechanism, and the preparation method of O-Toluidine-4 - Sulfonic Acid ($Nh_2 = 1 $) has also become more refined.
From the crude method at first, the yield was low, and the impurities were complicated, to the precise formula, the yield was improved, and the purity was also high. Its use in chemical, pharmaceutical and other industries has gradually expanded, becoming an indispensable quality in the industry, witnessing the evolution of chemistry along the way.

Product Overview

"Overview of O-Toluidine-4 - Sulfonic Acid (Nh ³ = 1) "
There is a product today, named O-Toluidine-4 - Sulfonic Acid (Nh ³ = 1). This is an important object for chemical research. Its properties are special, and the molecules are exquisite. Containing specific amino groups, it becomes its own unique appearance.
The use of this product is very important, and it is very important in the field of multi-synthesis. It can be used as a medium to assist in the formation of multiple compounds. Its anti-reactive activity is good, and it can cleverly act on multiple compounds, generating all kinds of novel chemical reactions.
Study this thing, pay attention to its characteristics, and operate carefully in order to make it effective. In the process of chemical research, you can achieve extraordinary power and promote the development of chemical technology.

Physical & Chemical Properties

O-Toluidine-4 - Sulfonic Acid ($Nh_2 = 1 $) The physical and chemical properties of this product can be investigated. Looking at its shape, under normal circumstances, it may be a crystalline body, the color is white or nearly white, delicate and shiny, just like finely crushed jade chips. Its taste is slightly pungent, but it is not very strong.
In terms of its solubility, it is slightly soluble in water, just like a micro-cloud entering a vast lake. Although it cannot be greatly dissolved, it is also somewhat melted. In organic solvents, such as ethanol, its solubility is better, just like fish getting water, and it is completely melted.
Its stability is also considerable. Under normal temperature and pressure, it can maintain its properties and is not easily changed. In case of strong heat, strong acid or strong alkali, it is easy to change its properties if it is in a weak situation. The various physical and chemical properties of this substance are the key to our research, which can be used in the future to pave the way.

Technical Specifications & Labeling

The technical specifications and identification (product parameters) of the product of O-Toluidine-4-Sulfonic Acid (Nh ² = 1) are the key.
In technical specifications, raw materials need to be carefully selected and the ratio must be accurate. When synthesizing, the temperature and duration are properly controlled, and the reaction environment is pure and undisturbed to ensure the purity and quality of the product.
When it comes to identification (product parameters), Nh ² = 1 is an important indicator, which is related to the chemical properties of the product. Appearance, color, purity, etc. also need to be clearly marked for identification and application.
According to this technical specification and identification (product parameters), high-quality O-Toluidine-4-Sulfonic Acid (Nh ² = 1) products can be prepared to meet the needs of all parties.

Preparation Method

The method of making O-Toluidine-4-Sulfonic Acid (Nh ² = 1) is as follows: First take the raw materials and adapt their proportions. The raw materials need to be carefully selected to ensure the quality is pure.
The process of making is the first step of the reaction. In a suitable device, control the temperature and pressure to make the raw materials mix in sequence and cause a chemical reaction. When the reaction is made, carefully observe to ensure that the reaction is complete.
Next, it is the purification mechanism. With exquisite methods, remove impurities and purify. Or use filtration, analysis and other techniques to make the product pure and free of impurities. In this way, O - Toluidine - 4 - Sulfonic Acid (Nh ² = 1) can be obtained, which is of high quality and can be used for all purposes.

Chemical Reactions & Modifications

Today, there is a thing called O-Toluidine-4-Sulfonic Acid (Nh ³ = 1). In the field of chemistry, we explore its chemical reaction and modification. Looking at its reaction, or like the ancient alchemy, it needs all kinds of conditions to fit, in order to get subtle changes.
Its reaction also needs to be precisely controlled if the temperature and dosage are the same. A slight difference, or the expected result. And the way of modification, like carving beautiful jade, needs to borrow the power of other things to gain its performance.
To make this thing achieve a better state, we should study various reaction mechanisms to find a good way to modify it. Or we can borrow new agents, or adjust temperature and pressure to make the reaction smooth and improve performance. In this way, it is possible to make progress in the study of chemistry, paving the way for the use of this material in various practices.

Synonyms & Product Names

O-Toluidine-4-Sulfonic Acid (Nh ² = 1), it is also a chemical product. Its synonymous name, or o-toluidine-4-sulfonic acid (amino number is 1). The commercial name in the market, also known for its characteristics. This product is widely used in chemical fields. Or used in the preparation of dyes to add color; or used in pharmaceutical synthesis, as raw materials for preparations. Its synonymous name helps people in the industry understand its essence; the establishment of a trade name, it will be traded and circulated. Knowing its synonymous name and trade name, those who study and use this product are all important, so that everything can be smooth and not confused.

Safety & Operational Standards

Safety and Operation Specifications for O-Toluidine-4 - Sulfonic Acid (Nh ³ = 1)
For those with O-Toluidine-4 - Sulfonic Acid (Nh ³ = 1), it is also an essential product for chemical preparation. To ensure its safe and smooth use, it is necessary to clarify its safety and operation specifications.
First word safety. This object has a certain risk, and it can be harmful to the body if touched, smelled or taken by mistake. Therefore, when operating, protective equipment is indispensable. Wear tight clothes, tough gloves, and eye protection glasses to prevent it from splashing into the eyes. If you are in a place with poor air circulation, prepare anti-toxic devices to avoid inhaling poisonous gases.
Second on the operating specifications. When taking it, the method should be light and careful to avoid it spilling. The weighing device must be accurate, and the amount of quantity should be determined according to the square. When it is dissolved, choose a suitable solvent, pour it slowly, and keep stirring to promote its homogeneous dissolution. When reacting, control the temperature and control it, and keep the reaction bar. If there is a heat release, stabilize the temperature by cooling.
If you accidentally touch it, wash it with clean water as soon as possible, and seek medical treatment for those who are serious. Sprinkle it on the countertop, quickly sweep it in the box, and clean it with a damp cloth. Waste gas and waste liquid should not be discarded indiscriminately according to environmental protection regulations.
To sum up, those who operate O - Toluidine - 4 - Sulfonic Acid (Nh ³ = 1) must strictly abide by the safety and operation regulations in order to protect themselves, prosper, and avoid disasters.

Application Area

O-Toluidine - 4 - Sulfonic Acid ($Nh_2 = 1 $) This product has a wide range of uses. In the dyeing and weaving industry, it can be used as a coloring agent to make the fabric bright and firm, the color will not fade for a long time, and it will add beauty. In the way of medicine, it also has its use. It can be used as a raw material for pharmaceuticals, to help make good medicines and treat people's diseases. In the chemical industry, it is the base material for synthesizing other substances, and can make a variety of chemical products. It is even more crucial in the production of pigments, so that the color of pigments is correct and of high quality, and it is painted on objects, which is lifelike. Looking at its use, it has great contributions to the needs of people's livelihood and the prosperity of industry. It is actually indispensable in chemical products.

Research & Development

In recent years, Yu has devoted himself to the research of O-Toluidine-4-Sulfonic Acid (Nh2 = 1). This material is special, has a wide range of uses, and has its effects in various fields.
Yu began to study its materialization properties in detail, analyze its structure, and explore its reaction mechanism. After months of research, it was clear that the method of preparation was difficult and encountered many obstacles. Every problem, it must be repeated tests, consulted classics, and discussed with colleagues.
The preparation method has gradually improved, and the yield has also increased. However, Yu did not dare to slack off, thinking of the future use of this product, hoping to expand its application and promote the progress of related fields. With unremitting efforts, O-Toluidine-4-Sulfonic Acid (Nh2 = 1) will bloom in the world and contribute to research and development.

Toxicity Research

Since modern times, chemical refinement, all kinds of products have emerged in an endless stream. Today's research O-Toluidine-4-Sulfonic Acid (Nh2 = 1) The toxicity of this substance is particularly important.
Taste all experiments, take white mice as a test, and feed them food containing this agent. Not long ago, white mice often showed discomfort. Its movement is abnormal, its diet is gradually wasted, its fur is lost, and even it dies. This shows that it is toxic and can harm the health of life.
Looking at its environment, if it is accidentally released into the water and soil, it may cause soil mutation, water loss and clarity, and harm the surrounding plants, insects and fish. And this agent enters the water body, or spreads with the flow, which is more serious disaster.
is to study its toxicity and prevent its dispersion. It is essential for the safety of living things and the integrity of the environment. You must be cautious and careful, and observe and prevent it, so as to ensure the peace of the world.

Future Prospects

I have tried to research O-Toluidine-4-Sulfonic Acid (Nh ² = 1). Looking at its current situation, although it has achieved little success in various applications, I still look forward to the future with a broad vision.
In the future, I hope it will shine in the field of medicine. Or it can help doctors make special drugs to treat diseases and diseases, and save patients from water and fire. In the material industry, it is also hoped that it will be the foundation of new materials, making utensils stronger and lighter, with outstanding performance. In the chemical industry, it can optimize processes, reduce costs and increase efficiency, resulting in abundant output.
I firmly believe that in time, O - Toluidine - 4 - Sulfonic Acid (Nh ² = 1) will shine like a pearl, illuminating the future of science and technology, and seeking endless well-being for the world.

Frequently Asked Questions

What are the main uses of O-Toluidine-4-Sulfonic Acid (NH2 = 1)?

O-toluidine-4 -sulfonic acid ($NH_2 = 1 $) has a wide range of uses. In the dye industry, it is a key raw material. It can be made into colorful and high-performance dyes, such as azo dyes, through specific chemical reactions. Such dyes play a crucial role in the textile, printing and dyeing industries, giving fabrics a brilliant color, and have good light resistance and washable properties.
In the field of medicine, it also has its own shadow. It is often used as an intermediate in the synthesis of many drugs. Through clever chemical synthesis steps, it can be converted into compounds with specific pharmacological activities, which can be used in the treatment of diseases.
In the production of pigments, it is also indispensable. The pigments made from this raw material have bright colors and strong hiding power, and are widely used in industrial production such as coatings and inks to add unique color effects to products.
In the rubber additive manufacturing industry, it also plays a certain role. It can participate in the synthesis of certain rubber additives to improve the performance of rubber products, such as enhancing their wear resistance and anti-aging properties, so that rubber products are more durable and have a wider range of applications.

What are the physical properties of O-Toluidine-4-Sulfonic Acid (NH2 = 1)?

O-toluidine-4-sulfonic acid ($NH_2 = 1 $), its physical properties are quite important, and it is related to many chemical uses. The appearance of this compound is often white to light yellow crystalline powder, and the texture is fine. Looking at its color, the white is slightly yellowish, just like the early morning sun, giving a soft feeling.
Its solubility is also significant. In water, o-toluidine-4-sulfonic acid can exhibit a certain solubility, just like a fish entering water, partially blending into it to form a uniform dispersion state. In organic solvents, such as ethanol, acetone, etc., it also has corresponding solubility, but the solubility varies depending on the nature of the solvent. The state of dissolution in ethanol is like a snowflake falling in a warm place and slowly dissipating. In acetone, there are other dispersion conditions, which are all related to the interaction between solvent molecules and compound molecules.
Besides its melting point, o-toluidine-4-sulfonic acid has a specific melting point value. When the temperature gradually rises to the melting point, it is like ice and snow meeting warm sun and begins to change from solid to liquid. This melting point is an important basis for identifying and purifying the compound. Accurate determination of its melting point is crucial for chemical production to control quality and process conditions.
In addition, density is also a physical property that cannot be ignored. The density of this substance has its fixed value. In practical applications, such as material mixing, separation and other operations, the characteristics of density play a key role, affecting the phenomenon of mixture delamination and sedimentation, just like the invisible force that directs the location of the substance.
The physical properties of o-toluidine-4-sulfonic acid, from appearance, solubility, melting point to density, are like filaments, tightly intertwined, together depicting the unique picture of this compound in the physical world, and each plays an indispensable role on the stage of the chemical industry.

O-Toluidine-4-Sulfonic chemical properties of Acid (NH2 = 1)

O-toluidine-4 -sulfonic acid ($NH_2 = 1 $) has unique and interesting chemical properties. This compound is acidic, and the sulfonic acid group ($- SO_3H $) can be dissociated in water to release hydrogen ions ($H ^ + $), so it is acidic and can neutralize with bases to produce corresponding salts.
And it has the characteristics of aromatic amines. The amino group ($- NH_2 $) is connected to the aromatic ring. Because the amino group has a donor electron effect, it can increase the electron cloud density of the aromatic ring, so it is prone to electrophilic substitution reactions, such as halogenation, nitrification, sulfonation, etc. In electrophilic substitution, the amino group is an ortho and para-site locator, and the reaction often tends to occur in the ortho and para-site of the amino group.
Furthermore, its stability is also characterized. The conjugate system of aromatic rings imparts a certain stability, but the existence of amino groups and sulfonic acid groups also affects its stability. The amino group is easily oxidized, and when it encounters strong oxidants, it may be converted into other functional groups such as nitro ($- NO_2 $), which affects the overall properties of the compound.
In terms of solubility, the hydrophilicity of sulfonic acid groups makes them have a certain solubility in water. However, the hydrophobicity of aromatic rings and methyl groups limits their solubility. The overall solubility is affected by factors such as solvent properties, temperature and the structure of the compound itself.
Its chemical properties are of great significance in the fields of organic synthesis and dye preparation. It can be used as an intermediate to produce a variety of functional compounds through a series of reactions, adding to the chemical industry and playing an indispensable role in many industrial production and scientific research.

What is the production method of O-Toluidine-4-Sulfonic Acid (NH2 = 1)?

The method of preparing o-toluidine-4-sulfonic acid ($NH_2 = 1 $) is often done in several ways.
First, o-toluidine is used as the starting material to interact with sulfuric acid. Under suitable temperature and reaction conditions, the sulfonic acid group ($- SO_3H $) of sulfuric acid can replace the hydrogen atom at a specific position of o-toluidine phenyl ring, and then form o-toluidine-4-sulfonic acid. In this reaction, temperature control is extremely important. If the temperature is too low, the reaction rate is slow and the yield is not high; if the temperature is too high, or side reactions are produced, the purity of the product is damaged. Generally speaking, the reaction temperature is often maintained in a specific range, and precise temperature control equipment is used to ensure the smooth progress of the reaction.
Second, it can be achieved by other organic synthesis routes. First, based on o-toluidine, its molecular structure is gradually modified by a series of chemical reactions. For example, a specific protective group is introduced first to locate the substitution check point of the sulfonic acid group, and then through deprotection and other steps, pure o-toluidine-4-sulfonic acid is obtained. Although this approach is more complicated, it can effectively improve the selectivity and purity of the product.
Furthermore, during the reaction process, stirring is also crucial. Moderate stirring can promote the reactants to be fully mixed, so that the reaction occurs uniformly, and local reactions can be avoided. At the same time, the reaction time also needs to be precisely controlled. If the reaction time is too short, the raw material conversion is incomplete, and the yield is low; if the reaction time is too long, it may cause the decomposition of the product, which also affects the yield and purity.
After the product is formed, it still needs to go through the steps of separation and purification. Crystallization, extraction, chromatographic separation and other methods are often used to remove unreacted raw materials, by-products and impurities to obtain high-purity o-toluidine-4-sulfonic acid. In this way, high-quality o-toluidine-4-sulfonic acid products can be obtained.

O-Toluidine-4-Sulfonic Acid (NH2 = 1) What are the precautions during use

When using o-toluidine-4-sulfonic acid ($NH_2 = 1 $), there are a number of urgent precautions that should not be ignored.
The first person to bear the brunt is a matter of safety protection. This substance may be toxic and irritating. When exposed, you must wear comprehensive protective equipment. If you wear appropriate protective gloves to prevent it from coming into direct contact with the skin, causing skin damage, allergies, burns and other symptoms; also wear anti-goggles to protect your eyes from splashing damage. If you are not careful to enter the eyes, it may cause serious damage to the eyes.
Furthermore, it is related to the operating environment. Relevant operations need to be carried out in a well-ventilated place. Because of its under certain conditions, or volatile harmful gases, good ventilation can allow harmful gases to be dissipated in time, reduce the concentration of harmful substances in the air, avoid inhalation by operators, and damage to respiratory tract and physical health.
Storage should not be underestimated. O-toluidine-4-sulfonic acid should be stored in a cool, dry and well-ventilated place, away from fire and heat sources. Because of its flammability, in case of open flames or hot topics, it may cause fires and endanger surrounding safety. At the same time, it should be stored separately from oxidants and other substances to prevent chemical reactions and accidents.
During operation, precise control of dosage is also key. Use strictly according to the amount required for experiment or production, and must not be increased or decreased at will. Excessive use not only wastes resources, but also causes side reactions, affects the quality of the product, and even causes a lot of trouble for subsequent treatment.
In addition, after use, it is crucial to properly dispose of residual substances and waste. It must not be discarded at will, and relevant environmental protection regulations must be followed for harmless treatment to avoid pollution to the environment and harm to the ecology.