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n. A water-soluble oily liquid, OHC(CH2)3CHO, containing two aldehyde groups, used in tanning leather and as a fixative for biological tissues.

n. The chemical substance having the IUPAC name pentane-1,5-dial, a toxic liquid with a pungent odor.

n. Any specific preparation or solution of glutaraldehyde.

"The U.S. Food and Drug Administration has stated that if the final product has come in contact with synthetic agent glutaraldehyde, then it cannot be called "natural," which they define as meaning no artificial or synthetic ingredients were added."

glutaral    pentanedial   

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