2,6-Dichloro-4-nitroaniline (C₆H₄Cl₂N₂O₂) is a chemical commonly used in manufacturing plants, but it can cause many negative impacts on workers’ health. This article will provide a detailed analysis of the health effects of this chemical and how to protect workers in the work environment.
1. What is 2,6-Dichloro-4-nitroaniline?
This chemical has the formula C₆H₄Cl₂N₂O₂ and belongs to the group of halogenated organic compounds. Its molecular structure consists of a benzene ring (C₆H₄) bonded to two chlorine (Cl) atoms at positions 2 and 6, a nitro group (NO₂) at position 4, and an amino group (NH₂) at position 2. This chemical formula helps identify the characteristics and properties of this substance in industrial applications.
This substance is primarily known in the textile dyeing and chemical synthesis industries, thanks to its ability to participate in chemical reactions that create valuable products. However, due to the presence of chlorine and nitro groups, it has the potential to cause toxic effects upon contact with the human body in an unsafe working environment.
| No. | Chemical Name in Vietnamese | Chemical Name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Dicloran | 2,6-Dichloro-4-nitroaniline | 29214200 | 99-30-9 | C₆H₄Cl₂N₂O₂ |
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2. What are the sources of 2,6-Dichloro-4-nitroaniline during production?
During the production of 2,6-Dichloro-4-nitroaniline, the main sources of emission are from chemical reactions involving initial raw materials such as nitrobenzene and chlorinated compounds. This process is usually carried out in chemical plants where the reactants are processed under high temperature and pressure conditions to create this compound. 2,6-Dichloro-4-nitroaniline is often produced as part of the manufacturing process for pesticides, dyes, and other chemical products. The generation of this compound can occur from activities such as chlorination, nitration, or other synthesis processes, which may release toxic gases and auxiliary compounds into the working environment.

3. Industries that use 2,6-Dichloro-4-nitroaniline in production
2,6-Dichloro-4-nitroaniline is used in various industries due to its chemical properties and applicability. One of the main fields is agriculture, where this substance is used as a fungicide. Products containing 2,6-Dichloro-4-nitroaniline are effective in killing many types of fungi that harm crops, helping to protect harvests from fungal diseases, especially in crops sensitive to fungi such as rice and fruit trees.
In addition, this substance is also used in the textile dyeing industry as an intermediate in the production of dyes. Dyes synthesized from 2,6-Dichloro-4-nitroaniline are applied in fabric production, helping to create durable and beautiful colors for the products.
Another application of 2,6-Dichloro-4-nitroaniline is in the pharmaceutical industry, particularly in the production of intermediate compounds for drugs. This substance can participate in the necessary chemical reactions to synthesize pharmacological compounds, assisting in the treatment of certain diseases.
4. How does 2,6-Dichloro-4-nitroaniline affect workers?
2,6-Dichloro-4-nitroaniline is a chemical compound that can cause serious health effects for workers during the production process. When exposed to this chemical, workers may experience respiratory problems, such as coughing, difficulty breathing, and allergies. Furthermore, with long-term exposure, it can cause damage to the liver and kidneys and affect the nervous system. Symptoms like dizziness, fatigue, and skin problems are also warning signs. These risks often arise from continuous exposure or high levels of contact with the compound in the work environment, especially in manufacturing industries that use this chemical.
5. Permissible safe concentration of 2,6-Dichloro-4-nitroaniline for human exposure
The permissible safe concentration of 2,6-Dichloro-4-nitroaniline for human exposure is typically regulated by health protection agencies such as the World Health Organization (WHO) and the U.S. Environmental Protection Agency (EPA). These concentrations are determined based on scientific research on the toxicity level of this chemical to humans and animals, as well as the health effects of long-term exposure.
In the workplace, the safe concentration of this chemical is regulated through the Occupational Exposure Limit (OEL). For industrial activities using 2,6-Dichloro-4-nitroaniline, the maximum permissible exposure concentration must not exceed this limit in the ambient air around workers. Typically, this limit is established to minimize health risks such as skin irritation, respiratory inflammation, or more serious diseases from long-term exposure.
In addition, the safe concentration also depends on various other factors such as the type of work, duration of exposure, and personal protective measures.

On a basic level, when working in an industrial environment, it is important to adhere to safety standards and limit exposure to Dicloran. Organizations such as the Occupational Safety and Health Administration (OSHA) in the United States provide guidelines and safety principles to protect workers from the negative impacts of chemical substances.
6. Measures to mitigate the health effects of 2,6-Dichloro-4-nitroaniline on workers
To mitigate the health effects of 2,6-Dichloro-4-nitroaniline on workers, measures primarily involve adhering to safety principles in the work environment. First, it is necessary to eliminate or replace these toxic chemicals with less hazardous alternatives, thereby minimizing workers’ direct exposure to the chemical.
In addition, the use of personal protective equipment such as respirators, gloves, and protective clothing is an important measure to protect health. Environmental controls in the workplace, including ventilation and exhaust systems, are also essential to limit the amount of toxic gas in the air. Along with that, training employees on safety techniques and standard operating procedures also plays a crucial role in reducing chemical-related risks.
Optimizing production processes and recycling waste materials also help to minimize the impact of the chemical, while protecting the health of workers and the surrounding environment.
Occupational safety training: Workers need to be trained and educated about the risks and safety measures when working with this type of chemical. This training should be provided periodically and regularly to ensure understanding and proper adherence to safety rules.
Periodically conduct occupational environmental monitoring in factories and enterprises, collecting and analyzing harmful factors for workers, thereby adjusting to reduce hazard levels to prevent occupational diseases for them.
7. Nationwide Occupational Environmental Monitoring Center
Nam Viet’s Occupational Environmental Monitoring Center is a professional unit for monitoring and measuring the quality of the working environment in all provinces across Vietnam. With a team of experienced monitoring specialists, the center uses modern measurement equipment, ensuring accuracy and reliability.
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In addition to providing monitoring services, the center also assists clients in planning, handling, and tracking issues related to the working environment. With the motto “the customer is the center,” the center focuses on customer satisfaction, meeting all customer needs, and is committed to providing the best solutions for businesses.
With investment in techniques, technology, and human resources, Nam Viet’s monitoring center has become one of the reputable units in the field of occupational environmental monitoring in Ho Chi Minh City with the following objectives:
- We always value our brand reputation and the quality of our products and services.
- We provide our customers with the best and most suitable solutions possible.
- With a team of experienced and specialized Masters and Engineers, we aim to protect the environment and benefit businesses.

- With Nam Viet Environmental Monitoring team, your company will receive professional service from experts in the monitoring field. At the same time, you will get the best cost incentives.
8. Quotation for Occupational Environmental Monitoring
To help businesses conduct occupational environmental monitoring professionally and effectively, Nam Viet provides our customers with a quality and reasonably priced quotation for occupational environmental monitoring services.
- Our monitoring quotation provides detailed information about the prices of the monitoring services we offer. It includes costs related to travel, measurement, analysis, and reporting of results. Customers can be completely assured of the accuracy and reliability of the monitoring result reports we provide.
- We commit to always offering the most competitive and reasonable prices on the market, and we are also always ready to provide consultation and answer any questions about our monitoring services quickly and professionally.
- With Nam Viet’s monitoring quotation, customers can easily choose service packages that suit their needs. We are committed to bringing our customers the highest satisfaction with professional quality service.

