Sulfamic Acid
China
Formula: NH2SO3H                   Mol. Wt: 97.09

Other Name : Aminosulfonic acid
Description:

It is a white rhombus crystal or flake crystal , colorless , non-volatile , non Chygroscopic. Relative density is (d 204) : 2.126 . Melting point : 205 ≧ . Decompose at 209 ≧ , further decompose to sulfur dioxide , sulfur trioxide , nitrogen and water under 260 ≧. Reflective index (αtype): 1.553 ,(βtype): 1.563 and (γtype):1.568 . Soluble in water and liquid ammonium , slightly soluble in methyl alcohol , insoluble in ethyl alcohol and ethyl ester , insoluble in carbon disulfide and liquid sulfur dioxide . Its solution in water has the similar acidity characteristics with sulfur acid and sulfur acid and sulfate acid , its salts series therefore insoluble in water .
Functional use:

It is used as criterion reagent in analytical chemicals; as herbicides and anti-flammable agents ; as softener and bleaching agent in and paper & textile products ; as cleaner agent in metal and porcelain ; catalyst in synthetic urea formaldehyde resin ; as anti-cyanide agent in azo dye production ; as stabilizer in chlorinated liquid and bleaching liquid used for swimming pool .
Analysis:
Purity :                         99.8% Min
Sulfate radical :                     0.04% Max
Moisture :                        0.5% Max
Iron (Fe) :                        5 ppm Max
Lead ( pb ) :                       5 ppm Max
Packing and storage:

Composite paper bag 25 KG each, or 500 kg super-sacks palletized and shrink-wrapped.

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