Synonym:  Salt brain, electrical powder, refined salt, sand brine.

Specific weight:  1.53

Molecular formula:  NH₄CL

Molecular weight:  53.49

1.Product characteristics:

    It is white crystal or granular material, stable in the air, moisture absorption, sublimating at 335 ℃, soluble in water ang the water solution is weak acid reaction, it is difficult to dissolve in alcohol, insoluble in acetone and ethyl ether.

2.Use:

   It is used in battery production, dyeing, electroplating, precision casting,fertilizer in agriculture.

3.Quality index:

Index name

First grade

Qualified

Ammonium chloride NH4CLContent(dry base)% ≥

99.3

99

Water(H₂O)% ≤

0.7

1

Burning residue% ≤

0.4

0.4

Ferric(Fe)% ≤

0.001

0.003

Heavy metal(Pb)% ≤

0.0005

0.001

Sulphate(SO₄)% ≤

0.02

PH

4.0-5.8

4.0-5.8

4. Packing, storage and transportation:

1)Packing: 25/50/500/1000kg lined with plastic bags installed, covering with a plastic bag.

2)Storage and transportation: stored in dry and well-ventilated place and pay attention on dampprof under transprotation.

5.Analytical standard:  GB2946-92