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 phosphorus pentasulphide it is converted into thiocoumarin, which melts at 101� C.; and in alcoholic solution, on the addition of hydroxylamine hydrochloride and soda, it yields coumarin oxime.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 "Coucy-le-Château" to "Crocodile" by Various