Ethyl chloride (C2H5Cl) is a common chemical in manufacturing plants, but how does it impact the health of workers? This article will provide important information about the risks and protective measures when exposed to ethyl chloride in the workplace.
1. What is Ethyl chloride (Ethane, chloro)?
Ethyl chloride, also known as chloroethane, is an organic compound with the chemical formula C2H5Cl. It is a derivative of ethane, in which one hydrogen atom of the ethane molecule (C2H6) is replaced by a chlorine atom (Cl). With the formula C2H5Cl, ethyl chloride has a simple molecular structure, consisting of two carbon atoms, five hydrogen atoms, and one chlorine atom.
Ethyl chloride is a volatile and colorless compound with a characteristic ether-like odor. It is primarily used in industry as a solvent, a refrigerant, and in the production of other chemical compounds. In addition, ethyl chloride is also used in medical procedures, such as for local anesthesia; however, due to its volatile nature and potential to cause irritation, the use of ethyl chloride must be strictly controlled to avoid health risks.
The chemical formula C2H5Cl of ethyl chloride indicates a simple molecular structure that can have a strong impact on human health, especially with long-term exposure in a high-concentration work environment.
| No. | Chemical Name in Vietnamese | Chemical Name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Etyl clorua | Ethyl chloride (Ethane, chloro) | 29031190 | 75-00-3 | C2H5Cl |
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2. Where does Ethyl chloride (Ethane, chloro) originate from in the production process?
During the production process, this compound can be generated from chemical reactions in chemical manufacturing plants. Typically, ethyl chloride is produced through the reaction between ethene (a type of unsaturated hydrocarbon) and chlorine (Cl2) in the presence of heat or a catalyst. This process is usually carried out in industrial reactors, where ethene is introduced along with chlorine and then reacts to create ethyl chloride.
In addition, ethyl chloride can also be generated during the production of other compounds, such as in the manufacturing of vinyl chloride, an important raw material for making PVC (polyvinyl chloride). This chemical can also be formed from the chlorination of other organic compounds in chemical plants.

3. Industries that use Ethyl chloride (Ethane, chloro) in production
In production, this compound is mainly used in the chemical, pharmaceutical, and food processing industries. The chemical manufacturing industry is the largest consumer of ethyl chloride, where it is used as a solvent in chemical reactions, especially in the production of compounds such as vinyl chloride, acetylene, and many other organic compounds. Ethyl chloride is also used in the production of detergents, plastics, and some specialty chemical products.
The pharmaceutical industry also uses this compound, mainly in the production processes of drugs and medical products, especially for local anesthesia in medical procedures. Ethyl chloride is used to cool the areas needing anesthesia, helping to reduce the sensation of pain during treatment.
In addition, in the food processing industry, ethyl chloride is also used as a refrigerant in some frozen food production processes. In some other applications, this compound is also present in the electronics industry, where it is used to clean electronic components, removing dust and grease.
4. How does Ethyl chloride (Ethane, chloro) affect workers?
When exposed to this compound, workers can face negative health effects. Due to its volatile nature, ethyl chloride can enter the body through the respiratory tract, causing symptoms such as dizziness, headaches, nausea, and difficulty breathing. Inhaling ethyl chloride gas for a long time or at high concentrations can lead to damage to the central nervous system, causing a decrease in concentration and affecting neurological functions.
In addition, this compound can also cause skin and eye irritation with direct contact, leading to dermatitis, skin redness, or an itchy sensation. In cases of prolonged exposure, it can cause harm to the liver and kidneys, especially for those working in environments with high concentrations of ethyl chloride without appropriate protective measures.
For workers in the chemical, pharmaceutical, or food processing industries that use ethyl chloride, the risk of long-term exposure to this compound can lead to chronic diseases, including respiratory disorders, neurological problems, and cardiovascular health issues.
5. Permissible safe concentration of Ethyl chloride (Ethane, chloro) for human exposure
The permissible safe concentration of this compound in the work environment is regulated by health and safety organizations such as OSHA (U.S. Occupational Safety and Health Administration) and ACGIH (American Conference of Governmental Industrial Hygienists). According to these regulations, the maximum permissible concentration of ethyl chloride in the air is usually calculated in ppm (parts per million), with a safe level of around 100 ppm for a one-hour work period.
At this level, workers can be in an environment with the presence of ethyl chloride without experiencing serious health effects. However, this concentration level is only a short-term safety limit, and protective measures such as ventilation, personal protective equipment, and reduced exposure time should be applied to limit long-term risks.
In cases of long-term exposure, health agencies recommend that the concentration of ethyl chloride in the work environment should not exceed 25 ppm over a full workday (8 hours). This helps to minimize the risk of serious health problems related to the nervous system, respiratory system, and internal organs.

At a basic level, if working in an industrial environment, it is important to comply with safety standards and limit exposure to Ethyl chloride. 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 effects of chemical substances.
6. Measures to minimize the health effects of Ethyl chloride (Ethane, chloro) on workers
To minimize the health effects of this compound on workers, preventive measures must be strictly applied in work environments where ethyl chloride is present. One of the most important measures is to ensure a good ventilation system in the production area. Maintaining a free flow of air helps reduce the concentration of ethyl chloride in the air, thereby limiting workers’ exposure to this chemical.
In addition, the use of personal protective equipment, such as gas filter masks or respirators, is essential to protect workers’ health when working in environments with high concentrations of ethyl chloride. This protective equipment helps prevent the inhalation of ethyl chloride gas, especially in enclosed areas or where effective ventilation cannot be maintained.
Along with that, workers need to be trained and have their awareness raised about the health risks associated with ethyl chloride. These training courses help them better understand safety measures and how to handle incidents, such as direct contact with ethyl chloride or inhaling this gas for a long time.
Besides, regular inspection and monitoring of the ethyl chloride concentration in the air are very important to ensure a safe level for workers. If a concentration higher than the permissible level is detected, timely intervention measures must be taken, such as temporarily halting production or improving the ventilation system, to protect the health of the workers.
Finally, providing medical services and periodic health check-ups for workers also plays an important role in the early detection of signs of ethyl chloride’s effects on health, thereby allowing for timely treatment and intervention.
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 conduct workplace environment monitoring in factories and enterprises, collecting and analyzing factors harmful to workers, thereby adjusting to reduce hazard levels to prevent occupational diseases for them.
7. National Workplace Environment Monitoring Center
Workplace Environment Monitoring Center of Nam Viet is a professional unit specializing in 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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In addition to providing monitoring services, the center also assists clients in planning, handling, and tracking workplace environment issues. 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 workplace 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.
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- With a team of experienced Masters and Engineers with a desire to protect the environment and benefit businesses.

- With Nam Viet’s 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 workplace environment monitoring
To help businesses conduct workplace environment monitoring professionally and effectively, Nam Viet offers our valued customers a price list for quality and reasonably priced workplace environment monitoring services.
- Our quotation provides detailed information on the prices of the monitoring services we offer. This 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 are committed to always offering the most competitive and reasonable prices on the market, and we are also always ready to provide advice and answer any questions about our monitoring services quickly and professionally.
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