Formaldehyde Toxicity (LD50)

The median lethal dose (LD50) for Formaldehyde is

600 mg

per

*Value is measured via oral route in rat

Compound Information

At room temperature, Formaldehyde (Also known as: Formalin, Methanal, Methylene Oxide) is a colorless, flammable gas that has a distinct, pungent smell. It is typically available dissolved into a liquid known as a liquid called formalin, mixed with water and methanol. It is used as a preservative in mortuaries and medical laboratories, and as an antimicrobial agent and disinfectant. Formaldehyde is carcinogenic to humans. It can be absorbed into the body by inhalation, through the skin and by ingestion, as well as direct eye contact.

Molecular weight: 30.026Chemical formula: CH₂O

Information presented on this page is purely for research purposes only. It is NOT intended for clinical or diagnostic applications. To request additional information and datasets for Formaldehyde, please contact info@aatbio.com.

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References

This online resource may be cited as follows

MLA	"Quest Database™ Formaldehyde Toxicity (LD50)." AAT Bioquest, Inc., 28 Sep. 2025, https://www.aatbio.com/resources/toxicity-lethality-median-dose-td50-ld50/formaldehyde.
APA	AAT Bioquest, Inc. (2025, September 28). Quest Database™ Formaldehyde Toxicity (LD50). AAT Bioquest. https://www.aatbio.com/resources/toxicity-lethality-median-dose-td50-ld50/formaldehyde.
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