hydroxylamine

American  

[hahy-drok-suh-luh-meen, -suhl-am-in] / haɪˌdrɒk sə ləˈmin, -səlˈæm ɪn /

noun

1. an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.

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hydroxylamine British  

/ -ˈsaɪləˌmiːn, -ˈæmɪn, haɪˌdrɒksɪləˈmiːn /

noun

1. a colourless crystalline compound that explodes when heated: a reducing agent. Formula: NH 2 OH

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Etymology

Origin of hydroxylamine

First recorded in 1865–70; hydroxyl + -amine

Example Sentences

Next, they treated the cloth with hydroxylamine hydrochloride to add amidoxime groups to the polymers.

From Science Daily • Dec. 13, 2023

The more concentrated hydroxylamine becomes, the more unstable.

From Washington Times • Feb. 23, 2019

Draw the structure of hydroxylamine, H3NO, and assign formal charges; look up the structure.

From Textbooks • Feb. 14, 2019

To make the pyrimidines, Carell started with compounds called cyanoacetylene and hydroxylamine, which react to form compounds called amino-isoxazoles.

From Science Magazine • Oct. 18, 2018

By the action of hydroxylamine or phenylhydrazine on aldehydes or ketones, condensation occurs between the carbonyl oxygen of the aldehyde or ketone and the amino group of the hydroxylamine or hydrazine.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various