HomeContact Us中文
Current position:Home > Products > Details

Ammonium sulfate, AS

CAS No:7783-20-2
Product Name:Ammonium sulfate, AS
Inquiry

Detailed information

[Molecular Formula]:


1.Property


White or off-white granular.Easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia. Easily deliquescent in the air.


2.Specification:National Standard GB535-1995)



      Index

Supreme Grade

First Grade

Qualified Grade

Appearance

White or off-white granula crystal,no visible mechanical impurity

N content (dry basis)% 

21.0

21.0

20.5

Water(H2O)content%

0.2

0.3

1.0

Free acid(H2SO4)%

0.03

0.05

0.20

Iron (Fe)content%

0.007

--

--

Arsenic (As)content%

0.00005

--

--

Heavy metal(pb)% 

0.005

--

--

Insoluble substance in water %

0.01

--

--

Note: When ammonium sulfate is used in agriculture,it is not necessary to 

check the content of Fe,As,heavy metal and water insolubles.



3.Packing:  ( plastic lined, plastic woven bags)


  • 25kg/bag, 50kg/bag, 1000kg/bag
  • 1225kg/pallet
  • 18-25tons/20`FCL


4.Application:



Mainly used as fertilizer, applicable to all kinds of soil and crop. Can also be used in textile, leather, medicine, etc.


5.Storage:


Kept in dry and ventilating place, avoid moisture, water, rain and fire. Avoid shipment with acid, alkali class, edible orange mix of chemicals. Common transportation tools.