Definition of sulphamic acid in English:

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sulphamic acid

Pronunciation: /sʌlˈfamɪk/
(also sulfamic acid)


[mass noun] Chemistry
A strongly acid crystalline compound used in cleaning agents and to make weedkiller.
  • 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.


Mid 19th century: sulphamic from sulphur + amide + -ic.

For editors and proofreaders

Line breaks: sul|pham¦ic acid

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