Definition of sulfamic acid in English:

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sulfamic acid

Pronunciation: /səlˌfamik ˈasid/
(chiefly British also sulphamic acid)


A strongly acid crystalline compound used in cleaning agents and to make weed killers.
  • Chemical formula: HOSO2NH2.
Example sentences
  • The R1 working reagent contains 85 mmol / L of sodium acetate buffer, 110 mmol / L of sulfamic acid, surfactant, and ‘solubilizer.’
  • When the calcite was dissolved with dilute sulfamic acid, it was noted that white semitranslucent florets of datolite occurred on the crystalline copper.
  • It wasn't until a few days later, when the copper specimens had been cleaned in a sulfamic acid solution, that we realized what we had found.



Pronunciation: /ˈsəlfəˌmāt/
Example sentences
  • The aliphatic sulfamates are novel compounds and are useful in the control of fertility in male animals.
  • In addition, ancorinazole, an indolo [3,2-a] carbazole also possessing sulfamate and sulfate groups, was isolated from two separate New Zealand collections of Ancorina sp.
  • Most of the new sulfamates inhibited the enzymatic hydrolysis of estrone sulfate in MDA-MB 231 breast cancer cells with IC 50 values between 2 nM and 1 mcM.


Mid 19th century: sulfamic from sulfur + amide + -ic.

For editors and proofreaders

Syllabification: sul·fa·mic ac·id

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