Zouping Changshan Zefeng Fertilizer Co., Ltd.

Ammonium Sulfate, Ammonium Sulfate Price, Price Ammonium Sulfate Fertilizer manufacturer / supplier in China, offering Ammonium Sulfate Price Fertilizer Food Grade, Diammonium Phosphate 18-46-0 DAP Fertilizer Prices, Industrial Grade White Calcium Carbonate and so on.

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Ammonium Sulfate Price Fertilizer Food Grade

FOB Price:US $69 - 89 / Ton
Min. Order (Tons) FOB Price
1+ US $69-89 / Ton
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Min. Order: 1 Ton
Port: Qingdao, China
Production Capacity: 3000mt/Month
Payment Terms: L/C, T/T

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Basic Info.

Model NO.:Ammonium Sulfate
Certification:ISO
Purity:≥99%
Type:Ammonium Sulphate
Appearance:Powder
Grade Standard:Agriculture Grade
Product Name:Ammonium Sulfate
Molecular Formula:(Nh4)2so4
Trademark:Ammonium Sulfate
Transport Package:25kg/Bag
Specification:25kg/bag powder
Origin:China (Mainland)
HS Code:3102210000

Product Description

Ammonuim Sulfate
CAS No.: 7783-20-2
Min. Order: 20 metric tons
Place of origin: Shandong province, China

Industry grade
Appearance: Colorless crystal, Ash black lumpish solid
Brand name: SHANGXIN
Packing: 25 kgs or 50 kgs packed in inside plastic bags with outside woven bags
Ammonium sulfate (IUPAC-recommended spelling; Also ammonium sulphate in British English), (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions.

Uses
1)The primary use of ammonium sulfate is as a fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth. The main disadvantage to the use of ammonium sulfate is its low nitrogen content relative to ammonium nitrate, which elevates transportation costs.
It is also used as an agricultural spray adjuvant for water soluble insecticides, herbicides, and fungicides. There it functions to bind iron and calcium cations that are present in both well water and plant cells. It is particularly effective as an adjuvant for 2, 4-D (amine), glyphosate, and glufosinate herbicides.

2)Laboratory use
In biochemistry, ammonium sulfate precipitation is a common method for purifying proteins by selective precipitation; Ammonium sulfate is extremely soluble in water and so can make very concentrated solutions which can "salt out" proteins, causing their precipitation at particular concentrations. This provides a convenient and simple means to fractionate complex protein mixtures. As such, ammonium sulfate is also listed as an ingredient for many United States vaccines per the Center for Disease Control.

3)Food additive
As a food additive, ammonium sulfate is considered generally recognized as safe (GRAS) by the US Food and Drug Administration, and in the European Union it is designated by the E number E517. It is used as an acidity regulator in flours and breads.

4)Other uses
Ammonium sulfate is used on a small scale in the preparation of other ammonium salts, especially ammonium persulfate.
A saturated solution of ammonium sulfate in heavy water (2H2O) is used as an external standard in sulfur (33S) NMR spectroscopy with shift value of 0 ppm.
Ammonium sulfate has also been used in flame retardant compositions acting much like diammonium phosphate. As a flame retardant, it lowers the combustion temperature of the material, decreases maximum weight loss rates, and causes an increase in the production of residue or char. Its flame retardant efficacy can be enhanced by blending it with ammonium sulfamate.
Ammonium sulfate has been used as a wood preservative, but due to its hygroscopic nature, this use has been largely discontinued because of associated problems with metal fastener corrosion, dimensional instability, and finish failures.
Ammonium sulfate
 
Other names:
ammonium sulfate
diammonium sulfate
sulfuric acid diammonium salt
mascagnite
Actamaster
Dolamin
Identifiers
CAS number7783-20-2   
ChemSpider22944   
UNIISU46BAM238   
KEGGD08853   
Properties
Molecular formula(NH4)2SO4
Molar mass132.14 g/mol
AppearanceFine white hygroscopic granules or crystals.
Density1.769 g/cm 3 (20 ° C)
Melting point235-280  ° C, 508-553  K, 455-536  ° F (decomposes)
Solubility in water70.6 g/100 mL (0 ° C)

74.4 g/100 mL (20 ° C)
103.8 g/100 mL (100 ° C)
Solubilityinsoluble in acetone, alcohol and ether
Critical relative humidity79.2% (30 ° C)
Hazards
EU IndexNot listed
Flash pointNon-flammable
LD502840 mg/kg, rat (oral)
Related compounds
Other anionsAmmonium thiosulfate
Ammonium sulfite
Ammonium bisulfate
Ammonium persulfate
Other cationsSodium sulfate
Potassium sulfate
Related compoundsAmmonium iron(II) sulfate
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Zouping Changshan Zefeng Fertilizer Co., Ltd.

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