Dichloro isocyanuric acid (DICA) is a chemical compound widely used in many industries, especially in the production of chemicals and bleaching agents. However, unsafe exposure to DICA can cause many health problems for workers. This article will explore the impact of Dichloro isocyanuric acid on worker health, the potential risks, and the safety measures that need to be implemented to protect workers from the negative effects of this substance.
1. What is Dichloro isocyanuric acid?
Dichloro isocyanuric acid (DICA) is a chemical compound with the chemical formula C3HO3N3Cl2. It is a type of isocyanuric acid containing two chlorine atoms. DICA is often used in various applications, including as a bleaching agent, disinfectant, and in water treatment processes to kill germs and bacteria.
In the field of water treatment, DICA is often used in the form of dissolving tablets to provide chlorine activity to the water, helping to prevent bacterial growth and ensuring the water is treated safely for use. However, as mentioned in the previous introduction, unsafe exposure to DICA can cause many health problems, especially for workers in industries that use this substance.
| No. | Chemical Name (Vietnamese) | Chemical Name (English) | HS Code | CAS Number | Chemical Formula |
| 1. | Axit diclo isoxyanuric | Dichloro isocyanuric acid | 29336900 | 2782-57-2 | C3HO3N3Cl2 |
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2. Where does Dichloro isocyanuric acid originate from in the production process?
Dichloro isocyanuric acid (DICA) is typically produced through chemical processes involving isocyanuric acid and chlorine. Below is an equation describing one of the common ways to produce DICA:
- Step 1: Create isocyanuric acid (ICA):
- Isocyanuric acid can be created from the reaction between cyanuric acid (C3H3N3O3) and various other substances, such as sulfamic acid.
- Step 2: Create Dichloro isocyanuric acid (DICA):
- Then, isocyanuric acid is chlorinated by adding chlorine to the molecular structure, creating Dichloro isocyanuric acid.
This process provides a general way to produce DICA from isocyanuric acid and chlorine. Depending on the production scale and specific requirements, there may be variations in this production process.

3. Industries that use Dichloro isocyanuric acid in production
Dichloro isocyanuric acid (DICA) is widely used in many industries, especially those related to water treatment, chemicals, and consumer goods production. Here are some of the main industries where DICA is commonly used:
- Water treatment industry:
- DICA is often used as a disinfectant in water treatment processes to eliminate bacteria, microorganisms, and ensure water is safe for use.
- Chemical production:
- DICA is an effective chlorine source and is often used in the production of various chemicals, especially bleaching agents and disinfectants.
- Consumer goods manufacturing:
- In the consumer goods manufacturing industry, DICA may be used in the production of products such as bleaching powder, laundry detergent, and other cleaning products.
- Swimming pools and spas:
- DICA is often used as a disinfectant to maintain the cleanliness and safety of water in swimming pools and spas.
- Rubber and plastics industry:
- In some cases, DICA may be used in the rubber and plastics industry for antimicrobial applications.
- Food and beverage industry:
- DICA may be used in certain applications to ensure sanitation safety during food and beverage production.
4. How does Dichloro isocyanuric acid affect workers
Dichloro isocyanuric acid (DICA) can affect the health of workers when they come into contact with this substance, especially during its production or use. Here are some health problems that may arise:
- Skin and eye irritation:
- Direct contact of DICA with the skin can cause irritation, redness, itching, and dry skin. Eyes can also be irritated if this substance gets into them, causing pain and swelling.
- Respiratory:
- DICA dust or vapor in the air can irritate the respiratory tract. Workers may experience discomfort, sore throat, and difficulty breathing.
- Risk of explosion and fire:
- DICA can produce chlorine gas when in contact with other substances. Chlorine gas is a hazardous substance and can create a risk of explosion and fire.
- Risk of explosion when interacting with other substances:
- In some situations, DICA can interact with other substances to create hazardous compounds, especially in unsafe or uncontrolled conditions.
- Toxic effects from chemical residues:
- Long-term use and repeated exposure to DICA without adhering to safety measures can increase the risk of toxicity for workers.
To minimize health risks, safety measures such as wearing protective gear, following safe work procedures, and ensuring safety information and training for workers are very important when working with DICA and similar chemicals.
5. Permissible safe concentration of Dichloro isocyanuric acid for human exposure
The safe concentration of Dichloro isocyanuric acid (DICA) for human exposure depends on many factors such as the type of application, duration of exposure, route of exposure (skin, respiratory, eyes), and working conditions. Specific safety standards may be set by organizations such as the U.S. Environmental Protection Agency (EPA), the World Health Organization (WHO), or other national regulatory and health agencies.
Some industries or applications may have specific limits on DICA concentration, and compliance with safety guidelines and regulations is important to protect worker health. Typically, safety organizations and regulatory agencies will determine safe levels based on scientific research and risk assessment.
At a basic level, if working in an industrial environment, it is important to adhere to safety standards and limit exposure to Dichloro isocyanuric acid. 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 effects of Dichloro isocyanuric acid on worker health
To minimize the effects of Dichloro isocyanuric acid (DICA) on worker health, several safety and risk management measures can be implemented. Here are some important measures:
- Occupational safety training:
- Provide adequate safety training for workers, including understanding the properties of DICA, safe usage, and emergency measures.
- Use Personal Protective Equipment (PPE):
- Require and provide adequate PPE, including chemical-resistant gloves, safety goggles, and appropriate protective clothing to reduce skin, eye, and respiratory contact.
- Product and Waste Management:
- Adhere to product management rules, including safe storage, concentration monitoring, and disposal of DICA waste according to regulations.
- Limit Exposure:
- Minimize exposure time and frequency to DICA by optimizing work processes and using automation when possible.
- Air Management and Ventilation Systems:
- Provide an effective ventilation system to minimize DICA vapor or dust in the work air.
- Source Control and Use of Alternatives:
- Consider and use safer alternative products if possible. Controlling and minimizing exposure to DICA is a key measure.
- Health Monitoring and Periodic Medical Check-ups:
- Conduct periodic health monitoring for workers to detect early any health problems that may arise from DICA exposure.
- Comply with Safety Regulations and Laws:
- Always comply with local, national, and international safety regulations and laws related to the use and handling of DICA.
- Periodically organize workplace environment monitoring in factories and enterprises, collect and analyze factors harmful to workers, and from there, adjust to reduce hazard levels to prevent occupational diseases for them.
7. National workplace environment monitoring center
Nam Viet’s workplace environment monitoring center 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 supports clients in planning, handling, and tracking workplace environment issues. With the motto “the customer is the center,” the center focuses on customer satisfaction, meets all customer needs, and commits 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 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 customers with the best and most suitable solutions possible.
- Along with a team of experienced Masters and Engineers with expertise and a desire to protect the environment and benefit businesses.

- When you come to 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. Workplace environment monitoring quotation
To help businesses carry out workplace environment monitoring professionally and effectively, Nam Viet provides customers with a quotation list for workplace environment monitoring services that is high-quality and reasonably priced.
- Our monitoring quotation list provides detailed price information for 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 commit to always offering the most competitive and reasonable prices on the market, and we are always ready to advise and answer any questions about our monitoring services quickly and professionally.
- With Nam Viet’s monitoring quotation list, customers can easily choose service packages that suit their needs. We are committed to bringing customers the highest satisfaction with professional service quality.

