Explore the dangers of Dichloro acetyl chloride (C2HOCl3) to worker health in production environments. This article will help you understand the impact of this substance and the necessary health protection measures when working at chemical plants.
1. What is Dichloro acetyl chloride?
Dichloro acetyl chloride (dichloroacetyl chloride), also known as dichloroacetic acid or dichloroethanoyl chloride, is an organic compound with the chemical formula C2HOCl3. It is a colorless to slightly yellow liquid with a pungent odor. Dichloro acetyl chloride is classified as an acid chloride, formed by the replacement of the hydroxyl group (-OH) of dichloroacetic acid with a chlorine atom (Cl).
Dichloro acetyl chloride is a highly reactive and corrosive compound. It reacts readily with water and many other organic compounds. Due to its reactive nature, dichloro acetyl chloride is used in organic synthesis to create other organic compounds, such as esters, amides, and acyl chlorides. It is also used in some industries such as the production of dyes, pharmaceuticals, and plastics.
| No. | Chemical name in Vietnamese | Chemical name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Diclo axetyl clorua | Dichloro acetyl chloride | 29159090 | 79-36-7 | C2HOCl3 |
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2. Where does Dichloro acetyl chloride originate from in the production process?
During the production process, dichloro acetyl chloride is often produced through a series of complex chemical reactions. The main raw materials for producing dichloro acetyl chloride are acetic acid and chlorine gas. The process begins with acetic acid, a common carboxylic acid found in many natural sources such as acetic acid in vinegar. Acetic acid is fed into the reaction system.
Then, chlorine gas is introduced into the system. During the reaction, two chlorine atoms will replace two hydrogen atoms in the acetic acid molecule. This leads to the creation of the intermediate product, trichloroacetic acid. However, the process does not stop here.
Next, trichloroacetic acid will continue to participate in subsequent reactions in the system. An important reaction is the reaction with chloroform, an organic compound containing chlorine. This reaction creates the intermediate product, chloro acetyl chloride.

3. Industries that use Dichloro acetyl chloride in production
In the chemical and manufacturing industry, Dichloro acetyl chloride (also known as DAC) is widely used in many different fields. One of the main industries where DAC is applied is the pesticide production industry. DAC is a key component in the synthesis of pyrethroid derivative compounds, a type of effective insecticide compound used in insect control products. This chemical process creates final products capable of killing insects effectively and more safely for the environment compared to other pesticide chemicals.
In addition, Dichloro acetyl chloride is also applied in the pharmaceutical manufacturing industry. This is an important derivative used in the synthesis of pharmaceutical compounds, especially antibiotics and their derivatives. The presence of DAC in the synthesis process plays an important role in creating drug products with high purity and effectiveness in treating infectious diseases.
Furthermore, Dichloro acetyl chloride is also used in the production of other important organic compounds such as carboxylic acid derivatives and esters. Chemical processes involving DAC often lead to the production of compounds with wide applications in the chemical and pharmaceutical industries. With its versatility and high reactivity, Dichloro acetyl chloride plays an important role in the development and production of subsequent chemical products with diverse applications in the modern industrial market.
4. How does Dichloro acetyl chloride affect workers?
Dichloro acetyl chloride is a very strong chemical compound, often used in chemical synthesis processes. However, it is also a dangerous chemical that can harm human health if directly exposed. Workers in the chemical industry or work environments related to this compound may be affected by the following risks:
One of the main risks of exposure to dichloro acetyl chloride is the direct impact on the skin and eyes of workers. This is a strong corrosive substance, causing severe irritation to the skin and eyes. Long-term exposure can lead to dermatitis, burns, or serious damage to the skin and eyes.
Furthermore, when inhaled, dichloro acetyl chloride can cause respiratory problems. Symptoms may include difficulty breathing, coughing, chest pain, and immediate discomfort upon exposure to the vapors of this substance.
In addition, exposure to dichloro acetyl chloride can also have a negative impact on the human nervous system. Workers may experience symptoms such as dizziness, headaches, fatigue, and other problems related to the central nervous system.
5. Permissible safe concentration of Dichloro acetyl chloride for human exposure
The concentration of Dichloro acetyl chloride (DCAC) that is considered safe for human exposure depends on many factors such as the method of use, format, and personal protection. DCAC is a powerful chemical compound used in the production of organic compounds and is a substance that affects health if not handled properly.
According to chemical safety standards, the concentration of DCAC in the air must be strictly controlled to ensure the safety of exposed personnel. The permissible concentration of DCAC in the air is usually limited to a very low range, typically from a few percent to a few percent of the air concentration in the workplace.
Personal protective measures are very important when working with DCAC. This includes using personal protective equipment such as chemical respirators, safety goggles, and protective clothing. In addition, work procedures must be carried out in an environment with a good ventilation system to prevent the accumulation of DCAC in the air.
Furthermore, training and educating workers about the risks of DCAC is also an important factor in ensuring safety. Employees must be trained on proper use, safe handling, and emergency measures in case of an incident involving DCAC.

Basically, if working in an industrial environment, complying with safety standards and limiting exposure to Dichloro acetyl chloride 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 chemicals.
6. Measures to mitigate the health effects of Dichloro acetyl chloride on workers
To mitigate the impact of Dichloro acetyl chloride (DAC) on the health of workers in chemical production environments, the proposed safety and protection measures are extremely important. First, applying safety management measures during the DAC production process is essential. This includes ensuring that employees are trained on the risks associated with DAC and the necessary measures to cope with them. Work areas should be designed to have good air circulation to limit exposure to DAC vapor or dust.
Second, the use of personal protective equipment is another important step to minimize risk for workers. Employees need to be fully equipped with respirators, gloves, eye protection, and appropriate protective clothing when working near these chemicals. The correct use of protective equipment and strict adherence to safety regulations are necessary to protect employee health.
In addition, regular control and monitoring measures are also an effective way to mitigate the health effects of DAC on workers. Cleaning processes, waste disposal, and equipment maintenance need to be performed correctly and periodically to ensure there are no leaks or contamination of toxic substances into the work environment.
Finally, regular health monitoring of employees is important to detect early any abnormal signs that may be related to DAC exposure. Doctors and medical staff should be trained on the symptoms of exposure to this substance to be able to provide timely diagnosis and treatment.
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 needs to be provided periodically and regularly to ensure understanding and proper compliance with safety rules.
Periodically organize workplace environment monitoring in factories and enterprises, collect and analyze factors harmful to workers, thereby adjusting to reduce hazard levels to prevent occupational diseases for them.
7. Nationwide Workplace Environment Monitoring Center
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