phenylhydrazine
noun
phe·nyl·hy·dra·zine
ˌfen-ᵊl-ˈhī-drə-ˌzēn, ˌfēn- 
: a toxic liquid nitrogen base C6H8N2 that reacts with aldehydes and ketones to form compounds useful in the identification of sugars
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“Phenylhydrazine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phenylhydrazine. Accessed 2 Jul. 2025.
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