Sodium 3-Nitro-4-Chlorobenzenesulfonate
Linshang Chemical
HS Code |
725347 |
Chemical Formula | C6H3ClNNaO5S |
Molar Mass | 269.60 g/mol |
Appearance | Yellowish - brown powder or crystals |
Solubility In Water | Soluble |
Ph Of Aqueous Solution | Approximately neutral or slightly basic |
Melting Point | Decomposes before melting |
Odor | Odorless or very faint odor |
Density | Data may vary, typical solid density |
Stability | Stable under normal conditions, but avoid strong oxidizing agents |
Sensitivity To Light | May be light - sensitive to some extent |
As an accredited Sodium 3-Nitro-4-Chlorobenzenesulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
Packing | 500g of Sodium 3 - nitro - 4 - chlorobenzenesulfonate packaged in a sealed plastic bag. |
Storage | Sodium 3 - nitro - 4 - chlorobenzenesulfonate should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances like strong oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and contamination, ensuring its chemical properties remain stable during storage. |
Shipping | Sodium 3 - nitro - 4 - chlorobenzenesulfonate is shipped in well - sealed containers, compliant with hazardous chemical regulations. Packaging safeguards against spills, and transportation follows strict safety protocols for this potentially harmful chemical. |
Competitive Sodium 3-Nitro-4-Chlorobenzenesulfonate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365006308 or mail to info@alchemist-chem.com.
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Tel: +8615365006308
Email: info@alchemist-chem.com


As a leading Sodium 3-Nitro-4-Chlorobenzenesulfonate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
In the field of medicine, it also has its traces. It may participate in the construction of certain drug molecules. In the process of pharmaceutical synthesis, precise raw materials are often required. Sodium 3-nitro-4-chlorobenzenesulfonate can be cleverly combined with other compounds due to its special functional groups to help synthesize drugs with specific pharmacological activities to cure various diseases.
Furthermore, in the field of organic synthetic chemistry, it is an indispensable reagent. Organic chemists often use it to participate in the synthesis of complex organic molecules. Because of its nitro, chlorine atoms and sulfonic acid groups, it can trigger various types of reactions, such as nucleophilic substitution reactions and reduction reactions. Through rational design of reaction routes, complex and diverse organic compounds can be constructed using sodium 3-nitro-4-chlorobenzenesulfonate, which promotes the progress of organic synthetic chemistry and lays the foundation for the research and development of new materials and the preparation of fine chemicals.
Viewed from its appearance, it usually takes the shape of a white to pale yellow crystalline powder. This appearance characteristic makes it easy to identify in various scenarios. The state of the powder also facilitates its dispersion and application in many chemical reactions and industrial processes.
When it comes to solubility, the compound is soluble in water. This property is significant because water is a common solvent in many chemical production and laboratory operations. Its solubility in water facilitates many subsequent reactions and treatments, such as participating in chemical reactions in aqueous solutions, or using water as a medium for separation and purification.
Melting point is one of the key physical properties. The specific value of its melting point has a profound impact on the control of the relevant production process and product quality. During the heating process, when the temperature reaches the melting point, the substance changes from a solid state to a liquid state. Knowing the melting point, in the synthesis, crystallization and other links, can accurately control the temperature conditions to ensure the purity and quality of the product.
In terms of stability, under conventional conditions, Sodium 3-nitro-4-chlorobenzenesulfonate has certain stability. However, it is necessary to pay attention to its environmental factors. In case of high temperature, open flame, or contact with specific chemical substances, it may cause chemical reactions and even pose potential dangers. Therefore, when storing and using, it is necessary to follow the corresponding safety procedures to ensure that its stability is not disturbed by adverse factors, so as to ensure the safety of the production and use process.
Although sodium is an active metal, sodium 3-nitro-4-chlorobenzenesulfonate has a regular structure in the solid state, and the atoms are firmly connected by chemical bonds. If there is no water and specific chemical reaction conditions, sodium is difficult to react violently with sodium 3-nitro-4-chlorobenzenesulfonate.
Even in solution, water or other solvents may partially ionize sodium 3-nitro-4-chlorobenzenesulfonate, and its ionic state is relatively stable. If sodium is put into it, or reacts with water first, because water is more likely to interact with sodium than sodium 3-nitro-4-chlorobenzenesulfonate.
Therefore, without the intervention of special chemical reagents and specific reaction conditions, the chemical properties of sodium 3-nitro-4-chlorobenzenesulfonate are relatively stable, and it is not easy to spontaneously produce significant chemical changes.
To obtain this product, 4-chlorobenzenesulfonic acid is often used as the starting material. First put 4-chlorobenzenesulfonic acid in a suitable reactor, and slowly add an appropriate amount of mixed acid of nitric acid and sulfuric acid. In this mixed acid, sulfuric acid has the ability to catalyze and dehydrate, and nitric acid is the agent for nitrification. During the reaction, the temperature must be controlled carefully. At the beginning, slowly raise the temperature to about 30-40 ° C, so that the reaction gradually starts, because the nitrification reaction is mostly exothermic, if the temperature is too high, the reaction may go out of control When the reaction is stable, the temperature can be slightly raised to 50-60 ° C to promote the complete reaction. After several times of reaction, 3-nitro-4-chlorobenzenesulfonic acid can be obtained.
Then, take the obtained 3-nitro-4-chlorobenzenesulfonic acid and dissolve it in an appropriate amount of water to make a solution. To this solution, a solution of sodium hydroxide or sodium carbonate is gradually added until the solution is weakly basic. In this process, 3-nitro-4-chlorobenzenesulfonic acid neutralizes with the base to form 3-nitro-4-chlorobenzenesulfonic acid sodium. After the reaction is completed, the solution is concentrated, so that the water is gradually lost, and the sodium 3-nitro-4-chlorobenzenesulfonate will crystallize. Filter the crystals, wash with an appropriate amount of water or organic solvent, remove its impurities, and dry to obtain pure sodium 3-nitro-4-chlorobenzenesulfonate.
When operating, pay attention to safety. Both nitric acid and sulfuric acid are highly corrosive, and the operation should be carried out with protective equipment in a well-ventilated place. And the nitrification reaction is prone to danger, and the reaction process must be strictly monitored, and the temperature and feeding rate must be controlled to ensure safety and yield.
When it is stored, the first environment is dry. If the environment is humid, this substance may absorb moisture and deteriorate, affecting its chemical properties and quality. It should be placed in a dry warehouse, away from water sources and moisture.
Furthermore, temperature is also critical. It should be avoided from high temperatures, because it is heated or causes chemical reactions, and it may even be safe. Generally speaking, it is better to store at room temperature, usually 5 ° C to 35 ° C.
The storage place must be well ventilated. If the ventilation is poor, the odor or accumulation of this substance will not only damage the air, but also be harmful to human health.
As for transportation, the packaging must be sturdy. This substance has certain chemical activity. If the packaging is damaged or leaks and reacts with external substances, it will endanger the safety of transportation. Packaging materials must be able to resist vibration, collision and friction.
During transportation, it is also necessary to avoid mixing with flammable, explosive, strong oxidizing agents and other substances. Due to its active chemical nature, contact with the above substances may cause violent reactions, such as serious accidents such as combustion and explosion.
Transport vehicles should also be clean and dry, and no other chemical substances should be left to prevent pollution of 3-nitro-4-chlorobenzenesulfonate sodium. And transportation personnel need to undergo professional training, be familiar with the material characteristics and emergency treatment methods, and be able to respond properly in case of emergencies.

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