Name：

Sulfamic Acid

Molecular Formula：

NH2SO3H

Molecular weight：

97.09

CAS number：

5329-14-6

Characteristics:

●White orthorhombic crystal.

●Nonvolatile, non-hygroscopic, smell-less.

●Melting point is 205oC,decomposing temperature is 209oC, relative density is 2.126.

●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.

●Has double functional group of amidogen and sulphonic radical, may go on chemical reaction with many matters.

Use：

For metal cleaning, removing the oxide layer on metal surface; Slightly corrosive to metal than other inorganic acid, can be used for boiler and ceramic cleaning, and sterilize bacterium in water; also can be used for bleaching fiber, wood and paper. And remove nitrite in tobacco, oil mine sludge acidification; used as raw materials for coatings and PH strip, flame retardant for cotton fiber, curing agent for resin, pesticide intermediates and raw materials for various amino acid derivatives. As important ingredient in the production of cyclamate.

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 don’t mix with sharp objects.

Quality Index：

name of index

high class

first class

second class

sulfamic acid%

≥99.8

≥99.5

≥99.0

sulphate (SO₄^2-)%

≤0.05

≤0.05

≤0.03

insoluble in water%

≤0.01

≤0.02

≤0.3

iron (Fe³⁺)%

≤0.0025

≤0.0025

≤0.13

loss on drying%

≤0.05

≤0.1

≤0.005