(-SO₂-) moiety. Sulfamates are derivatives of sulfamic acid.

Production

Sulfamic acid is produced industrially by treating urea with a mixture of sulfur trioxide and sulfuric acid (or oleum). The conversion is conducted in two stages, the first being sulfamation:
:OC(NH₂)₂ + SO₃ -> OC(NH₂)(NHSO₃H)

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