Phosacetim (C₁₄H₁₃Cl₂N₂O₂PS) is a common chemical in the manufacturing industry, but its impact on the health of workers in factory environments is less noticed. This article will explore in detail the potential health risks that workers face when exposed to Phosacetim.
1. What is Phosacetim?
Phosacetim is a chemical with the formula C₁₄H₁₃Cl₂N₂O₂PS, a type of insecticide commonly used in agriculture and manufacturing. This chemical belongs to the organophosphate group of compounds, known for its ability to inhibit the enzyme acetylcholinesterase, causing powerful effects on the nervous system of organisms exposed to it.
The chemical formula C₁₄H₁₃Cl₂N₂O₂PS shows that Phosacetim has a structure consisting of 14 carbon atoms, 13 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms, 2 oxygen atoms, and 1 sulfur atom. These atoms are bonded together to form a molecule that can have a powerful impact on the nervous system of animals and humans upon direct contact or through inhalation, skin contact, or ingestion.
Phosacetim is commonly used in chemical manufacturing plants or in the production of pesticides to protect crops from various pests and harmful insects. However, due to its toxic nature, long-term exposure to Phosacetim or at high concentrations can cause adverse health effects for workers in these environments.
| No. | Chemical Name in Vietnamese | Chemical Name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Phosacetim | Phosacetim | 38089119 | 4104-14-7 | C14H13Cl2N2O2PS |
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2. Where does Phosacetim originate from in the production process?
During the production process, the source of Phosacetim primarily comes from the use of this chemical in the processing and manufacturing of pesticides. When synthesized at chemical plants, Phosacetim is formulated and packaged for market distribution. During this process, chemical dust and vapor from solutions containing Phosacetim can be released into the air, creating a potential source of exposure for workers.
In addition, in pesticide manufacturing plants, Phosacetim may be used in the process of mixing different components to create the finished product. The transportation, storage, and handling of these chemicals can also cause leaks or spills, leading to the dispersion of Phosacetim in the air or on work surfaces.
Furthermore, during the production process, when machinery and equipment come into contact with solutions containing Phosacetim, they can release small particles of this chemical into the air or create spray droplets in the work environment. All of these situations can create sources of Phosacetim that workers may be exposed to throughout their work.

3. Industries that use Phosacetim in production
Phosacetim is primarily used in the agriculture and pesticide manufacturing industries, especially in the processes of treating crops and protecting agricultural products from pests. Companies that produce crop protection products are where Phosacetim is frequently applied to create products capable of killing insects and protecting harvests. In addition, industries related to the production of chemicals and pharmaceuticals also use Phosacetim in product formulas to control and eliminate harmful organisms.
In some cases, Phosacetim is also used in the food and agricultural processing industry, especially in the process of treating and preserving fresh food, to help prevent the growth of pests and mold. Pesticide manufacturing plants are also the main places where Phosacetim is used to develop and produce liquid or powder pesticides.
Besides, facilities related to the chemical and textile industries sometimes also use Phosacetim in their production processes, especially in the manufacturing of products with insect-repellent features or to protect products from attack by harmful animals.
4. How does Phosacetim affect workers?
Exposure to Phosacetim can cause serious health effects for workers, especially in a work environment where this chemical is present. Workers in pesticide manufacturing plants or places where Phosacetim is used are at high risk of being poisoned through the skin, respiratory tract, or digestive system if not properly protected.
When exposed to Phosacetim, workers may experience symptoms ranging from mild to severe, such as headache, dizziness, nausea, and fatigue. These symptoms usually appear due to the effect of Phosacetim on the nervous system, especially its ability to inhibit the enzyme acetylcholinesterase, causing neurotransmitters to accumulate in the body, leading to neurological dysfunction.
If exposure is long-term or at high concentrations, the symptoms can become more severe, including difficulty breathing, seizures, and even coma. Workers who are regularly in an environment with Phosacetim are at risk of permanent nervous system damage, which can reduce motor skills and other bodily functions.
In addition, exposure to Phosacetim can also cause skin problems such as dermatitis, itching, or mild burns without adequate protection. These effects can have long-term negative impacts on the health of workers, especially when there are no preventive measures or timely treatment.
5. Permissible safe concentration of Phosacetim for human exposure
The permissible safe concentration of Phosacetim for human exposure is regulated by health and occupational safety agencies such as the World Health Organization (WHO) and the Environmental Protection Agency (EPA). These regulations are intended to ensure that the level of exposure to this chemical does not cause serious health effects for workers throughout their work.
According to international standards, the permissible safe concentration of Phosacetim is usually determined through the concept of the “Occupational Exposure Limit” (OEL), which is the maximum level to which a worker can be exposed without facing significant health problems. The OEL for Phosacetim is established based on studies of the toxicity of this chemical to the human body, including both short-term and long-term effects.
International organizations often recommend that the concentration level of Phosacetim in the workplace air should not exceed a certain value over a specific period, usually 8 hours per day and 40 hours per week. This concentration level may vary depending on the country and the applicable standard, but the common goal is to minimize the risk of poisoning for workers.
In cases where Phosacetim is used in high-risk production stages, the use of personal protective equipment such as respirators, gloves, and protective clothing is very important to ensure that workers are not overexposed. The permissible safe concentration of Phosacetim will also be adjusted if there are changes in new studies on the health effects of this chemical.

On a basic level, if working in an industrial environment, adhering to safety standards and limiting exposure to Phosacetim is important. Organizations like 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 minimize the health effects of Phosacetim on workers
To minimize the health effects of Phosacetim on workers, protective and preventive measures must be strictly applied throughout the work process. One of the most important measures is to fully equip workers with personal protective equipment, including respirators, gloves, protective clothing, and safety glasses. This equipment helps to prevent direct contact with the chemical, minimizing the risk of poisoning through the skin or respiration.
In addition, improving ventilation in the work area is also a necessary measure to reduce the concentration of Phosacetim in the air. The ventilation system must be designed so that the air in the factory circulates well, helping to limit the accumulation of dust and toxic gases, especially in production areas or where Phosacetim is used. This helps to protect workers from the risk of inhaling hazardous substances from the environment.
Training and educating workers on the safe procedures for handling Phosacetim is also a key factor in reducing negative impacts. Workers need to be instructed on how to use protective equipment correctly, be aware of the potential risks, and know how to handle incidents when they occur. Adhering to occupational safety regulations and conducting regular health check-ups for workers also helps to promptly detect signs of poisoning or diseases related to Phosacetim.
In addition, regular monitoring of the work environment, checking the concentration level of Phosacetim in the air and production areas is also very important. Companies should apply periodic testing methods and ensure that the Phosacetim level does not exceed the permissible safe limit. If a dangerous level is detected, immediate mitigation measures such as changing the work process or enhancing personal protective measures for workers are necessary.
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 compliance with safety rules.
Periodically organize occupational environment monitoring in factories and enterprises, collect and analyze factors harmful to workers, thereby adjusting to reduce the level of hazard to prevent occupational diseases for them.
7. National 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 measuring equipment, ensuring accuracy and reliability.
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8. Quotation for Occupational Environment Monitoring
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