Sulfamic Acid is a white, non-hygroscopic solid which melts at 305°C, and is stable up to 260°C. Soluble in water.
Sulfamic Acid is sulfuric acid in which an — OH group has been replaced by NH3. It is prepared from urea and fuming sulfuric acid.
In the gold recovery process, Sulfamic Acid is frequently used to remove excess nitric acid from Aqua Regia solutions (denoxing).
For shipping, Sulfamic Acid is in hazardous materials Class 8: Corrosive Substances. It only ships to destinations within the 48 contiguous US states and Canada using Standard Ground by FedEx or UPS • No air deliveries allowed • Customers in Canada should expect additional duties, taxes, and customs clearance service fees due upon delivery.
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