4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate

Linshang Chemical

Specifications

HS Code

811312

Chemical Formula C6H4ClNaO2S·xH2O
Molecular Weight variable depending on x, for anhydrous C6H4ClNaO2S is about 198.59 g/mol
Appearance usually white to off - white crystalline powder
Solubility soluble in water
Odor odorless or faint odor
Melting Point decomposes before melting (thermal instability)
Ph In Solution alkaline, due to the sodium salt nature
Stability stable under normal conditions, but may react with strong oxidizing agents
Storage Conditions store in a cool, dry place, away from moisture and heat sources

As an accredited 4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 100 - gram bottle of 4 - chlorobenzenesulfinic Acid Sodium Salt Hydrate packaging.
Storage 4 - Chlorobenzenesulfinic Acid Sodium Salt Hydrate should be stored in a cool, dry place away from direct sunlight. Keep it in a tightly - sealed container to prevent moisture absorption and contact with air, which could potentially affect its chemical properties. Store it separately from incompatible substances to avoid reactions.
Shipping 4 - Chlorobenzenesulfinic Acid Sodium Salt Hydrate is shipped in well - sealed containers, compliant with chemical transport regulations. Shipment ensures protection from moisture, heat, and physical damage during transit.
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4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate 4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate
General Information
Where to Buy 4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate in China?
As a trusted 4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
Frequently Asked Questions

As a leading 4-Chlorobenzenesulfinic Acid Sodium Salt Hydrate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

4-chlorobenzenesulfinic chemical properties of Acid Sodium Salt Hydrate
4-Chlorobenzenesulfinate sodium salt hydrate, this is a chemical substance. Its properties have unique characteristics. In appearance, it is mostly white to off-white crystalline powder, just like fine jade chips, flickering under light or hidden light.
In terms of solubility, it is quite easy to dissolve in water, and when entering water, it is like a salt melting in a lake, quietly melting, forming a uniform solution. This property makes it convenient to participate in the reactions or applications of many aqueous systems.
In terms of chemical activity, benzenesulfinate has a certain degree of reduction, like a hidden force. Under suitable conditions, it can react with many oxidants, just like a warrior facing an enemy and fighting bravely. The chlorine atom in the benzene ring structure gives it special chemical activity, which can participate in reactions such as nucleophilic substitution, as if it plays a unique role in the chemical stage, dancing with other chemical substances to derive a variety of products.
Thermal stability is also an important property. In a moderate temperature range, its structure can remain stable, like a strong fortress, which can resist the invasion of certain heat. However, when the temperature is too high, it will be like a fortress encountering strong fire, the structure may be damaged, causing decomposition and other changes.
This compound has a wide range of uses in the field of organic synthesis, or is a key intermediate. It plays an indispensable role in the preparation of fine chemicals such as medicines and pesticides, just like building a building block and laying the foundation for subsequent synthesis.
What are the main uses of 4-chlorobenzenesulfinic Acid Sodium Salt Hydrate
4-Chlorobenzenesulfinate sodium salt hydrate, which is a very important chemical substance, has key uses in many fields.
First, in the field of organic synthesis, it is often used as an intermediate in organic synthesis. It can interact with other organic compounds through a series of chemical reactions to construct various complex organic molecular structures. For example, when constructing specific functionalized benzene derivatives, 4-chlorobenzenesulfinate sodium salt hydrate can participate in nucleophilic substitution reactions. With its nucleophilic properties of sulfinate ions, it combines with substrates such as halogenated hydrocarbons, and then introduces 4-chlorobenzenesulfinyl groups, which lays the foundation for subsequent organic synthesis steps and helps to synthesize organic compounds with specific biological activities or material properties.
Second, in the field of medicinal chemistry, it also plays an important role. In some drug development processes, this substance can be used to prepare compounds with potential pharmacological activities. Due to its structural properties, it can be integrated into drug molecules as key structural fragments to endow drugs with specific physicochemical properties and biological activities, such as affecting the ability of drugs to bind to targets, or improving the metabolic kinetic properties of drugs, thus providing important raw materials and synthetic intermediates for the creation of new drugs.
Furthermore, in the field of materials science, 4-chlorobenzenesulfinate sodium salt hydrate also has its uses. It can be used to synthesize polymer materials with specific functions. By polymerizing with monomers containing unsaturated bonds, 4-chlorobenzenesulfinyl is introduced into the polymer chain, giving the polymer materials unique properties such as anti-oxidation and special optical properties. It meets the requirements of different application scenarios for material properties, such as playing an important role in the preparation of some high-performance polymer materials.
In addition, in the dye industry, it can participate in the dye synthesis process, which affects the color, stability and dyeing properties of dyes, and helps to prepare dye products with bright color and good fastness.
In summary, 4-chlorobenzenesulfinate sodium salt hydrate has shown important application value in many fields such as organic synthesis, medicine, materials and dyes, and promotes the development and progress of related fields.
What is the preparation method of 4-chlorobenzenesulfinic Acid Sodium Salt Hydrate?
The preparation method of 4-chlorobenzene sulfinate sodium salt hydrate is as follows:
First take an appropriate amount of 4-chlorobenzene and place it in a reactor. Under low temperature and stirring conditions, slowly add the aqueous solution of sodium sulfite. This process requires strict control of the temperature, generally maintained at 0-10 ° C to prevent the occurrence of side reactions. 4-chlorobenzene and sodium sulfite undergo nucleophilic substitution reaction, and the chlorine atom is replaced by sulfite to form 4-chlorobenzene sulfite sodium. The chemical reaction formula is roughly as follows: 4 - Cl - C H Cl + Na ² SO 🥰 → 4 - Cl - C H SO ³ Na + NaCl.
After the reaction is completed, the reaction solution is filtered to remove unreacted solid impurities. Next, the filtrate is distilled under reduced pressure to concentrate the reaction solution and promote the crystallization of sodium 4-chlorobenzenesulfinate. After centrifugation, the precipitated crystals are washed with an appropriate amount of cold water to remove impurities attached to the surface.
Subsequently, the washed crystals are placed in an oven and dried at a suitable temperature (about 40-50 ° C) to obtain an anhydrous product of sodium 4-chlorobenzenesulfonate. To prepare the hydrate, the humidity and temperature of the environment can be controlled during the drying process, so that the anhydrous product absorbs an appropriate amount of water, and then converts into 4-chlorobenzenesulfonate sodium salt hydrate.
Throughout the preparation process, precise control of reaction conditions, such as temperature, ratio of reactants, and reaction time, is required to ensure the purity and yield of the product.
4-chlorobenzenesulfinic Acid Sodium Salt Hydrate in storage and transportation
4-Chlorobenzenesulfinate sodium salt hydrate is a chemical substance. When storing and transporting, many things need to be paid attention to.
First, the storage place must be dry and well ventilated. Because of its certain hygroscopicity, if the storage environment is humid, it is easy to cause deliquescence and affect the quality. Remember "Tiangong Kaiwu" said "moderate dryness and humidity, things are long-term storage", and this substance also needs to be suitable for humidity environment. The humidity of the warehouse should be controlled at 40% - 70% relative humidity.
Second, temperature is also critical. Avoid high temperature, high temperature or cause it to decompose or other chemical reactions. It is generally recommended to store in a cool place of 2-8 ° C. Just like in "Tiangong Kaiwu", some materials need to be stored in a "shady place to avoid the sun". This substance also needs to be cared for in this way.
Third, during transportation, ensure that the packaging is intact. Because it is a chemical product, if the packaging is damaged, it will leak or come into contact with other substances, causing danger. It is necessary to treat precious materials as "Tiangong Kaiwu" "tightly wrapped to prevent damage", and use suitable packaging materials, such as sealed plastic bags and strong cartons.
Fourth, this substance should be stored and transported separately from oxidizers, acids, etc. Due to its active chemical properties, contact with oxidants or cause violent reactions, and contact with acids may also produce harmful gases, just like the concept of "classifying and not mixing" different physical materials in "Tiangong Kaiwu".
Fifth, the storage and transportation places need to have corresponding emergency treatment equipment and protective equipment. If it is accidentally leaked, measures can be taken quickly to ensure the safety of personnel. For example, "Tiangong Kaiwu" is prepared for all kinds of situations, which also needs to be prepared in advance to prevent problems.
4-chlorobenzenesulfinic the market price of Acid Sodium Salt Hydrate
4-Chlorobenzenesulfinate sodium salt hydrate, the price of this product in the market is difficult to determine. The price often changes due to many reasons, such as the output of the place of origin, the state of supply and demand, the quality of quality, the amount of purchase, and even the fluctuation of market conditions.
Looking at the market of chemical raw materials in the past, the price of this fine chemical is quite common. If the output is abundant and the supply exceeds the demand, the price may decline; on the contrary, if the production is insufficient and the demand is insufficient, the price will rise. Quality is also the key, and the price of high purity is always higher than that of ordinary people. Furthermore, the purchase volume also has an impact, and the price of large batches may be discounted.
According to the previous "Tiangong Kaiwu", although there was no record of such precise chemicals at that time, it describes the relationship between material supply and demand and price, which can be used for reference. As mentioned in all kinds of materials, the price is flat in case of a good harvest, and the price is high in case of a bad harvest. Today's 4-chlorobenzenesulfinate sodium salt hydrate is also similar to this.
Roughly speaking, its price per kilogram is in the general market conditions, or between tens of yuan and hundreds of yuan. If it is a small amount of retail, the price may rise; bulk purchase, the price may fall to a lower range. However, this is only an idea, and the actual price still needs to be consulted by the chemical raw material supplier, subject to the report at that time.