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Sulfamic Acid

Molecular Formula:NH2SO3H. Molecular weight:97.09

--White orthorhombic cystal.Nonvolatile, nonhygroscopic,smell-less. High stability at normal temperature and can maintain original quality for several years. Freely soluble in water and liquid ammonia,strongly acidic in water solution.
--Slightly soluble in methanol,insoluble in ethanol and ether.Characteristics of double funcitional group of amidogen and sulphonic radical, may go on chemical reaction with many matters.
--Melting point is 205oC,decomposing temperature is 209oC.

Use:Metal parts cleaning,getting away oxidize surface.Slightly corrosive to metal, used to clean boiler, and sterilize bacterium in water.Bleach fibre,wood and paper. Remove nitrite in tobacco.Raw material for pesticide intermediate,ramification of sulfamic acid.

Packaging, Storage and Transportation:Knitting bags with plastic linings,25kg per bag.or flexible containers with 500kg,1000kg. Stored in dry and clean place. Protection from sunshine,rain moisture and a acute.

name of index

high class

first class

sulfamic acid %

≥ 99.80

≥ 99.50

sulpate (SO42-)%

≤ 0.05

≤ 0.05

iron (Fe3+) %

≤ 0.0025

≤ 0.0025

insoluble in water %

≤ 0.01


loss on drying %



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