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Sulfamic Acid
Characteristics:
1. White orthorhombic crystal.
2. Nonvolatile, nonhygroscopic, odorless.
3. High stability at normal temperature.
4. Freely soluble in water and liquid ammonia, strongly acidic in water solution.
5. Slightly soluble in methanol, insoluble in ethanol and ether.
6. Characteristics of amino and sulfonic functional groups, may go on chemical reaction with many matters.
7. Melting point 205 .
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iems
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index
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appearance
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colorless or white crystal
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sulfamic acid %
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99.6 min
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sulphate (so 4 2- )%
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0.05 max
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iron (fe 3+ ) %
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0.006 max
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loss on drying %
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0.05 max
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insoluble in water %
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0.02 max
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1. Electroplating.
2. Cleaning oxidize surface of metal parts.
3. Slightly corrosive, used as boiler scale remover or disinfectant.
4. Bleacher for fibre, wood and paper.
5. Remove nitrite in tobacco.
6. Used as flame retardant for cotton fibre.
7. Used as curing agent for resin.
8. Intermediate of sodium cyclamate