What is a common preservative chemical utilized in embalming fluid?

• A. Acetic acid
• B. Formaldehyde
• C. Alcohol
• D. Hydrogen peroxide

Answer: (B)

Formaldehyde is a widely recognized and commonly used preservative chemical in embalming fluid due to its ability to effectively inhibit decomposition. This chemical works by cross-linking proteins, which helps to create a stable structure that preserves the body tissues and extends their viability for viewing.

The effectiveness of formaldehyde can be attributed to its antimicrobial properties, which prevent the growth of bacteria and other microorganisms that would normally lead to decomposition. In addition to preserving tissues, formaldehyde also helps to disinfect the body, making it an essential component in the embalming process.

While acetic acid, alcohol, and hydrogen peroxide have their own uses in various applications, they do not serve the same purpose in embalming as formaldehyde does. Acetic acid is primarily used in food preservation and as a solvent, alcohol is often utilized as a disinfectant but lacks the preservation qualities of formaldehyde, and hydrogen peroxide is more commonly used as a bleaching agent and disinfectant, rather than as a primary preservative in embalming.