PRODUCTS
MMA Grade Ammonium Sulphate
Ammonium Sulphate
CAS NO.:7783-20-2
EINECS NO.:231-984-1
H.S.Code:31022100
Molecular formula:(NH4)2SO4
Feature:
Industrial products are white or light-colored crystals. The relative density D=1.769,235°C. It is easily soluble in water. The aqueous solution is acidic, insoluble in ethanol and acetone. It is hygroscopic. Ammonia gas is emitted.
Application:
It is mainly used as fertilizer, suitable for various soils and crops; it can also be used as a nitrogen source for textile, leather, medicine and yeast fermentation.
Package:
Multi-layer bag (outer bag plastic woven bag, inner bag polyethylene film bag) or composite plastic woven bag (plastic woven cloth/film) packaging
25KG/50KG, ton package, can be customized according to customer requirements
Storage and transportation:
It can be transported by vehicles such as cars, trains, ships, etc. During the transportation process, it should be protected from moisture and packaging bags.
It should be stored in a flat, cool, ventilated and dry warehouse. It is strictly forbidden to contact with lime, cement and other alkaline substances or store it in the same warehouse. The stacking height of the package should be less than 7m
Product classification:
MMA grade ammonium sulfate: a by-product of MMA.
Quality standards: nitrogen content-≥21%; moisture-≤0.5%; free acid-≤0.08%; sulfur content-≥23%
Quality standards: nitrogen content-≥20.5%; moisture-≤1%; free acid-≤0.03%;
Iron content-≤0.007%; Arsenic content-≤0.0005%;
Heavy metals-≤0.005%; water-insoluble matter-≤0.01%.
Technical specifications (implement national standard GB535-1995)
ITEM |
HIGH CLASS |
FIRST CLASS |
QUALIFIED |
Appearance |
White crystal, no visible mechanical impurity |
White/ off white crystal, no visible mechanical impurity |
no visible mechanical impurity |
N content(dry basis),% ≥ |
21 |
21 |
20.5 |
Water content(H2O),% ≤ |
0.2 |
0.3 |
1 |
Free acid(H2SO4)content,% ≤ |
0.03 |
0.05 |
0.2 |
Fe content, % ≤ |
0.007 |
/ |
/ |
As content,% ≤ |
0.00005 |
/ |
/ |
Heavy metal(Pb)content,% ≤ |
0.005 |
/ |
/ |
Water insolubles,% ≤ |
0.01 |
/ |
/ |
Note: When ammonium sulphate is used in agriculture, it is not necessary to check the content of Fe, As, heavy metal and water insoluble . Package in 25kg/bag, 50kg/bag, 1000kg/bag, 1200kg/bag, 1250kg/bag |
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