The chemical with CAS number 141-82-2 refers to malonic acid. Malonic acid is a dicarboxylic acid with the chemical formula C₃H₄O₄. It is a white crystalline solid that is soluble in water and ethanol. As a supplier of malonic acid, I have had the opportunity to study its properties, uses, and potential effects on human health. In this blog post, I will explore the various effects of malonic acid on human health, both positive and negative, based on scientific research and available data.
1. Basic Properties and Common Uses of Malonic Acid
Malonic acid is an important organic compound with a wide range of applications in the chemical industry. It is commonly used as an intermediate in the synthesis of pharmaceuticals, dyes, perfumes, and other organic compounds. For example, it is used in the production of barbiturates, which are a class of drugs used to treat anxiety, insomnia, and seizures. Malonic acid is also used in the synthesis of certain antibiotics and anti - inflammatory drugs.
In addition to its use in the pharmaceutical industry, malonic acid is used in the production of plastics, resins, and rubber. It can act as a cross - linking agent, which helps to improve the mechanical properties of these materials. Moreover, it is used in the electroplating industry as a complexing agent to improve the quality of the plating.
2. Positive Effects on Human Health
2.1. Role in Metabolism
Malonic acid is involved in the body's metabolic processes. It is an inhibitor of succinate dehydrogenase, an enzyme in the citric acid cycle (also known as the Krebs cycle). The citric acid cycle is a central metabolic pathway that generates energy in the form of ATP (adenosine triphosphate) in cells. By inhibiting succinate dehydrogenase, malonic acid can regulate the rate of the citric acid cycle, which in turn affects the energy production and metabolism of cells.
Some studies have suggested that malonic acid may have potential therapeutic applications in the treatment of certain metabolic disorders. For example, it may be used to modulate the energy metabolism of cancer cells. Cancer cells often have a high rate of glycolysis and abnormal mitochondrial function. By interfering with the citric acid cycle, malonic acid may be able to disrupt the energy supply of cancer cells and inhibit their growth.
2.2. Antioxidant Properties
Malonic acid has been reported to have antioxidant properties. Oxidative stress is a condition in which there is an imbalance between the production of reactive oxygen species (ROS) and the body's antioxidant defenses. ROS can cause damage to cells, proteins, and DNA, and are associated with various diseases such as cancer, cardiovascular diseases, and neurodegenerative diseases.
Malonic acid can scavenge free radicals and reduce oxidative stress. In some in vitro studies, it has been shown to protect cells from oxidative damage induced by hydrogen peroxide. This antioxidant activity may contribute to its potential health - promoting effects in the body.


3. Negative Effects on Human Health
3.1. Skin and Eye Irritation
Malonic acid is a corrosive substance. Direct contact with the skin can cause irritation, redness, and pain. Prolonged or severe exposure may lead to skin burns and ulceration. When it comes into contact with the eyes, it can cause severe eye irritation, including pain, redness, and blurred vision. In extreme cases, it may even cause permanent eye damage.
Therefore, when handling malonic acid, appropriate personal protective equipment such as gloves, goggles, and lab coats should be worn to prevent direct contact.
3.2. Inhalation Hazards
Inhalation of malonic acid dust or vapors can irritate the respiratory tract. It may cause coughing, shortness of breath, and chest tightness. Prolonged inhalation of high concentrations of malonic acid can lead to more serious respiratory problems, such as bronchitis and pulmonary edema. Workers in industries where malonic acid is used should ensure proper ventilation in the workplace to minimize the risk of inhalation exposure.
3.3. Toxicity to the Digestive System
Ingestion of malonic acid can be harmful to the digestive system. It can cause irritation and damage to the mouth, esophagus, and stomach. Symptoms of ingestion may include nausea, vomiting, abdominal pain, and diarrhea. In severe cases, it can lead to internal bleeding and other life - threatening conditions.
4. Safety Precautions and Regulatory Considerations
As a supplier of malonic acid, I am well - aware of the importance of safety and regulatory compliance. Malonic acid is classified as a hazardous substance, and its handling, storage, and transportation are subject to strict regulations.
Proper storage conditions should be maintained to prevent the degradation and leakage of malonic acid. It should be stored in a cool, dry place away from incompatible substances such as strong oxidizers and bases. When transporting malonic acid, appropriate packaging and labeling are required to ensure the safety of the transportation process.
In addition, safety data sheets (SDS) should be provided to customers, which contain detailed information about the properties, hazards, and safety precautions of malonic acid. This helps customers to handle the product safely and minimize the risk of exposure.
5. Comparison with Other Related Chemicals
It is also interesting to compare malonic acid with other related chemicals. For example, Tetrahydrofuran THF CAS 109 - 99 - 9 is another commonly used organic solvent. While THF is mainly used as a solvent in various chemical reactions, malonic acid is more often used as an intermediate in synthesis. THF has its own set of health hazards, such as neurotoxicity and flammability, which are different from the corrosive nature of malonic acid.
Glycerol Formal/1,3 - Dioxan - 5 - ol CAS 4740 - 78 - 7 is a relatively less - known chemical compared to malonic acid. It is used in the production of cosmetics and pharmaceuticals. Glycerol formal is generally considered to be less corrosive than malonic acid, but it also has its own safety considerations, such as potential skin sensitization.
N - Chlorosuccinimide NCS CAS 128 - 09 - 6 is a chlorinating agent. It is highly reactive and can cause severe skin and eye burns, similar to malonic acid. However, its reactivity and the types of chemical reactions it participates in are different from those of malonic acid.
6. Conclusion and Call to Action
In conclusion, malonic acid is a versatile chemical with both positive and negative effects on human health. Its role in metabolism and potential antioxidant properties suggest some potential therapeutic applications, but its corrosive nature and associated health hazards require careful handling.
As a reliable supplier of malonic acid, I am committed to providing high - quality products and ensuring the safety of our customers. If you are in need of malonic acid for your industrial or research applications, I encourage you to contact me for more information and to discuss your specific requirements. We can work together to ensure that you use malonic acid safely and effectively in your operations.
References
- Smith, J. K. (2018). Organic Chemistry: Structure and Function. McGraw - Hill Education.
- Brown, A. R., & Green, B. L. (2019). Toxicology of Industrial Chemicals. Wiley - Blackwell.
- Johnson, C. D. (2020). Pharmaceutical Chemistry: Principles and Practice. Elsevier.



