Cyanogen chloride (CNCl) is a toxic chemical that can pose a danger to the health of workers in manufacturing plants. This article will explore the serious health effects of cyanogen chloride, how to identify them, and the necessary preventive measures to protect workers.
1. What is Cyanogen chloride?
Cyanogen chloride, with the chemical formula CClN, is an inorganic compound with a linear molecular structure, consisting of a carbon atom triple-bonded to a nitrogen atom and single-bonded to a chlorine atom. This compound exists as a colorless, easily condensed gas with a pungent odor. Cyanogen chloride is primarily produced through the oxidation of sodium cyanide with chlorine, creating cyanogen (C₂N₂) as an intermediate. This compound is highly toxic and can be dangerous even at low concentrations.
| No. | Chemical Name in Vietnamese | Chemical Name in English | HS Code | CAS Number | Chemical Formula |
| 1. | Xyanogen clorua | Cyanogen chloride | 28530000 | 506-77-4 | CClN |
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2. Where does Cyanogen chloride originate from in the production process?
During production, cyanogen chloride can arise from chemical reactions between substances containing a cyano group (CN) and halogens like chlorine (Cl). For example, when cyanogen (C₂N₂) reacts with chlorine, cyanogen chloride is formed. In addition, in some industrial processes, the use of chemicals containing cyano and chlorine groups can lead to the formation of cyanogen chloride as a byproduct. Therefore, strict control of chemical reactions and production processes is very important to prevent the generation of cyanogen chloride.

3. Industries that use Cyanogen chloride in production
Cyanogen chloride is used in many different industries, mainly in the fields of chemical, pharmaceutical, and agricultural production. In the chemical industry, this compound plays an important role in the synthesis of complex organic compounds, especially in the production of pesticides and plant protection products.
In the pharmaceutical industry, cyanogen chloride is used to synthesize some types of drugs, especially compounds with strong biological effects that help treat various diseases. Besides that, cyanogen chloride also has applications in the production of various dyes and pigments in the textile industry.
In addition, this compound is also used in some other industrial production processes, such as in the fabrication of catalysts or in the electronics industry, where organic compounds need to be created to serve the production of high-tech devices.
4. How does Cyanogen chloride affect workers?
When workers are exposed to cyanogen chloride, this chemical can cause serious health effects. Due to its toxic nature, cyanogen chloride can enter the body through the respiratory tract, skin, or contact with the eyes.
When inhaled, cyanogen chloride causes severe irritation to the respiratory system, which can lead to coughing, shortness of breath, chest pain, or even suffocation. In addition, long-term or high-concentration exposure can cause serious lung damage, even respiratory failure. If this substance enters the body through the skin, it can cause severe burns or irritation, leading to inflammation or skin ulcers.
The eyes are also easily affected by cyanogen chloride, causing a burning sensation, redness, and if not treated promptly, can lead to permanent eye damage. In addition to respiratory and skin effects, cyanogen chloride can also cause neurological problems, affecting the central nervous system, and causing dizziness, headaches, and mental disorders.
Due to its toxic nature, protecting workers from exposure to cyanogen chloride is extremely important in work environments where this chemical is used.
5. Permissible safe concentration of Cyanogen chloride for human exposure
Currently, there is no specific information on the permissible safe concentration of cyanogen chloride in the work environment. However, according to current regulations, chemical production facilities must comply with standards on occupational safety and worker health protection. Exposure to cyanogen chloride needs to be strictly controlled to ensure the safety of workers.

On a basic level, when working in an industrial environment, it is important to comply with safety standards and limit exposure to Cyanogen 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 effects of Cyanogen chloride on worker health
To minimize the effects of cyanogen chloride on worker health, protective measures must be strictly implemented in the work environment. One of the important measures is to provide full personal protective equipment for workers, including chemical-resistant respirators, safety goggles, gloves, and specialized protective clothing.
In addition, ventilation systems in the production area need to be maintained and checked periodically to ensure the air in the workspace is always fresh and not contaminated by cyanogen chloride. Manufacturing plants also need to establish procedures for checking the concentration of the chemical in the air to ensure the concentration does not exceed the permissible safe level.
Besides that, training workers on the dangers of cyanogen chloride and how to handle emergency situations is extremely necessary. Workers need to be equipped with knowledge about the signs of poisoning and how to respond promptly.
Finally, applying methods to minimize the source of cyanogen chloride generation during production, such as using less toxic substitute substances, also plays an important role in protecting worker health.
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 organize workplace environmental monitoring in factories and enterprises, collecting and analyzing factors harmful to workers, and from there, adjusting to reduce the level of harm to prevent occupational diseases for them.
7. National Workplace Environmental Monitoring Center
Nam Viet’s Workplace Environmental 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.
REGISTER FOR WORKPLACE ENVIRONMENTAL MONITORING SERVICE
In addition to providing monitoring services, the center also supports customers in planning, handling, and tracking workplace environmental issues. With the motto “the customer is the center,” the center is concerned with customer satisfaction, meeting all customer needs, and is committed to providing the best solutions for businesses.
With investment in technology, engineering, and human resources, Nam Viet’s monitoring center has become one of the reputable units in the field of workplace 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 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 Workplace Environmental Monitoring
To help businesses carry out workplace environmental monitoring in a professional and effective manner, Nam Viet provides our customers with a quality and reasonably priced quotation for workplace environmental 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. You can be completely confident in 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, you can easily choose the service packages that suit your needs. We are committed to bringing you the highest satisfaction with our professional service quality.

