Formalin
Formalin
Formalin (pronounced: for-ma-lin) is a solution of formaldehyde in water, typically used as a disinfectant or to preserve biological specimens.
Etymology
The term "formalin" is derived from the chemical name "formaldehyde" and the suffix "-in", which is often used in the names of chemical substances.
Usage
Formalin is widely used in biology and medicine for the preservation of tissue samples. It is also used in embalming to preserve bodies after death. In addition, formalin is used in the production of resins and as a disinfectant in various industries.
Related Terms
- Formaldehyde: A colorless, strong-smelling gas used in making resins and to synthesize other chemicals. It is the primary component of formalin.
- Fixation (histology): The process of preserving biological tissues from decay due to autolysis or putrefaction. Formalin is commonly used in this process.
- Embalming: The art and science of preserving human or animal remains by treating them with chemicals to forestall decomposition. Formalin is a key chemical used in this process.
Health Effects
Exposure to formalin can cause various health effects, including irritation of the eyes, nose, and throat, coughing, shortness of breath, and in severe cases, pulmonary edema. Long-term exposure can lead to certain types of cancer.
Safety Measures
Due to its potential health effects, it is important to handle formalin with care. This includes using it in a well-ventilated area, wearing protective clothing, and avoiding direct contact with the skin or eyes.
External links
- Medical encyclopedia article on Formalin
- Wikipedia's article - Formalin
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