Trichloro(nitro)methane (CCl3NO2) is a common chemical in industry, but few people know about its impact on the health of workers. This article will explore the potential risks, symptoms of poisoning, and how to protect yourself when working in an environment where this substance is used. Let’s find out!
1. What is Trichloro(nitro)methane?
With the chemical formula CCl3NO2, Trichloro(nitro)methane is an organic compound belonging to the halogen and nitro groups. It appears as a colorless liquid with a slightly pungent odor and is often used in the manufacturing industry, especially in chemical processing and pesticide production.
CCl3NO2 has a characteristic chemical structure with three chlorine atoms and one nitro group (-NO2) bonded to a carbon atom. This gives it high stability and solubility in organic solvents, but it also makes it a toxic substance to human health.
In the industrial environment, trichloro(nitro)methane is often used as an intermediate in chemical synthesis processes. However, long-term or improper exposure to this compound can cause many serious health problems for workers. Therefore, a clear understanding of the nature and properties of CCl3NO2 is very important to ensure occupational safety and health in the workplace.
| No. | Chemical Name in Vietnamese | Chemical Name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Triclo(nitro) metan | Trichloro(nitro)methane | 28112990 | 76-06-2 | CCl3NO2 |
See more: Chemical safety training service according to Decree 113/2017/NĐ-CP
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2. Where does Trichloro(nitro)methane originate from in the production process?
The organic compound CCl3NO2 often appears in many chemical and industrial production processes. The main source of this compound is primarily from chemical synthesis activities, where it is used as an intermediate to create other products. During production, raw materials containing carbon, chlorine, and nitro are combined under specific conditions to produce trichloro(nitro)methane.
In addition, CCl3NO2 can also be generated in chemical reaction processes, such as the reaction between halogen and nitro compounds. In some factories, this compound may be used in the production of pesticides, industrial solvents, or preservatives.
When these production processes occur, trichloro(nitro)methane can be released into the environment through emissions, liquid waste, or even in the final product if not strictly controlled. Therefore, monitoring and managing the sources of this compound during production is extremely important to minimize risks to workers’ health and protect the environment.

3. Industries that use Trichloro(nitro)methane in production
This compound is widely used in many different industries, especially in the field of chemical manufacturing. One of its most common applications is in the pesticide industry. Here, it is used as an intermediate in the synthesis of various crop protection chemicals, helping to improve the yield and quality of agricultural products.
In addition, CCl3NO2 is also present in the pharmaceutical industry. It plays an important role in the production of certain drugs, particularly preparations containing nitro and halogen compounds. The presence of trichloro(nitro)methane in these processes helps to optimize the effectiveness of the drug and enhance its therapeutic capabilities.
Furthermore, in the plastics and synthetic materials manufacturing industry, CCl3NO2 is used as a chemical agent to improve the properties of the product. Industries such as food processing and industrial chemical production are no exception when using this compound to ensure the quality and safety of the final products.
However, the use of trichloro(nitro)methane must be strictly managed to minimize adverse impacts on workers’ health and the environment. Occupational safety and environmental protection regulations must be strictly enforced in industries related to this compound.
4. How does Trichloro(nitro)methane affect workers?
Trichloro(nitro)methane can cause many serious health effects for workers in industries that use this compound. Direct or long-term exposure to trichloro(nitro)methane can lead to numerous health problems, ranging from mild symptoms to severe impacts.
When inhaling the vapors of CCl3NO2, workers may experience symptoms such as coughing, shortness of breath, and respiratory irritation. Studies show that this compound can cause poisoning, leading to headaches, dizziness, and fatigue. If it comes into contact with the skin, trichloro(nitro)methane can cause skin irritation, itching, or dermatitis.
One of the biggest concerns related to CCl3NO2 is its potential to cause problems with the nervous system and liver. Many studies have shown that long-term exposure to this compound can lead to a decline in liver function, affecting the body’s ability to detoxify. Additionally, some research also suggests that trichloro(nitro)methane may have a negative impact on the reproductive system, with the risk of reducing fertility in both men and women.
To protect workers’ health, implementing occupational safety measures is essential. This includes providing adequate personal protective equipment, training on identifying and responding to the risks of trichloro(nitro)methane, and implementing safety control procedures in the work environment. Awareness and proactive prevention will contribute to protecting the health of workers exposed to this compound.
5. Permissible safe concentration of Trichloro(nitro)methane for human exposure
The permissible safe concentration of Trichloro(nitro)methane for human exposure is a critical factor in protecting workers’ health. Health and occupational safety organizations worldwide have established maximum permissible concentration thresholds to limit health risks from exposure to this compound.
According to the regulations of many organizations, the maximum permissible concentration of trichloro(nitro)methane in the air is typically between 1 and 5 ppm (parts per million). This means that in a work environment, the concentration of CCl3NO2 should not exceed this level to ensure worker safety. Adhering to these limits not only protects individual health but also helps prevent the development of occupational diseases related to toxic chemicals.
In addition, controlling the concentration of trichloro(nitro)methane also needs to be done through other safety measures, such as good ventilation in the work area, use of personal protective equipment, and periodic inspection procedures. Businesses also need to invest in modern technology and equipment to minimize chemical concentrations in the air, thereby protecting workers’ health more effectively.
A clear understanding of safe concentrations and strict adherence to these regulations are essential, not only to ensure the safety of the workers themselves but also to build a healthy and sustainable work environment in the industry.

On a basic level, if working in an industrial environment, it is important to comply with safety standards and limit exposure to Trichloro(nitro)methane. Organizations like the Occupational Safety and Health Administration (OSHA) in the United States provide guidelines and safety principles to protect workers from the negative effects of chemical substances.
6. Measures to minimize the health effects of Trichloro(nitro)methane on workers
To minimize the health effects of Trichloro(nitro)methane on workers, a series of effective safety and management measures must be implemented. First, education and training on the risks of CCl3NO2 are very important. Workers need to be equipped with knowledge on how to recognize the symptoms of poisoning and how to handle exposure to this compound.
One of the primary measures is to improve the ventilation system in the work area. Ensuring good air circulation helps to reduce the concentration of CCl3NO2 in the air, thereby limiting the risk of inhaling toxic vapors. Installing exhaust systems or using air purifiers are also effective options.
The use of personal protective equipment is an indispensable factor in protecting workers’ health. Workers should be equipped with respirators, gloves, and protective clothing to minimize direct contact with the chemical. In addition, periodic maintenance of equipment and infrastructure should be carried out to ensure that everything is always operating effectively and safely.
Establishing safe work procedures is also very important. Businesses need to establish specific guidelines on how to handle and store trichloro(nitro)methane, along with emergency measures in case of an incident. Periodically checking the concentration of CCl3NO2 in the air and the health of workers is also an integral part of the health protection strategy.
Finally, collaborating with occupational health and safety experts to develop specific policies and regulations will also contribute to enhancing effectiveness in protecting workers from the negative impacts of trichloro(nitro)methane. All of these measures combined will help create a safe and healthy working environment for workers.
Occupational safety training: Workers need to be trained and educated on 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 organize occupational environment monitoring in factories and enterprises, collecting and analyzing factors harmful to workers, thereby adjusting and reducing the hazard level to prevent occupational diseases for them.
7. Nationwide Occupational Environment Monitoring Center
Nam Viet’s Occupational Environment Monitoring Center is a professional unit for monitoring and measuring the quality of the working environment across all provinces in Vietnam. With a team of experienced monitoring specialists, the center uses modern measurement equipment, ensuring accuracy and reliability.
REGISTER FOR OCCUPATIONAL ENVIRONMENT MONITORING SERVICE
In addition to providing monitoring services, the center also assists clients in planning, processing, and tracking issues related to the occupational environment. With the motto “the customer is the center,” the center is concerned with customer satisfaction, meeting all of the customer’s needs and committing to providing the best solutions for the business.
With investment in technology, engineering, and human resources, Nam Viet’s monitoring center has become one of the reputable units in the field of occupational environment 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 things possible.
- Along with a team of experienced Masters and Engineers with a desire to protect the environment and benefit businesses.

- Coming to the Nam Viet Environmental Monitoring team, your company will receive professional service with experts in the field of monitoring. At the same time, you will get the best cost incentives.
8. Quotation for Occupational Environment Monitoring
To help businesses carry out occupational environment monitoring in a professional and effective manner, we at Nam Viet provide our valued customers with a quality and reasonably priced quotation for occupational environment monitoring services.
- Our monitoring quotation provides detailed information about the prices of the monitoring services we offer. It includes all costs related to travel, measurement, analysis, and reporting of results. Valued customers can be completely assured of the accuracy and reliability of the monitoring result reports we provide.
- We are committed 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 monitoring services in the quickest and most professional manner.
- With Nam Viet’s quotation, valued customers can easily choose service packages that suit their needs. We are committed to bringing our customers the highest satisfaction with professional quality service.

