Shandong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Agriculture & Food, Chemicals, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001, ISO 9000, GMP
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Availability:
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Magnesium Sulphate Heptahydrate, Chemical Fertilizer, Magnesium Sulphate manufacturer / supplier in China, offering Chemical Fertilizer Magnesium Sulphate Heptahydrate, Natural Potassium Humate Full Water Soluble Humic Acid Organic Fertilizer, Factory Agricultural Biological Organic Fertilizer Fulvic Acid and so on.

Diamond Member Since 2012
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Supplier Homepage Products Chemical Fertilizer and others Chemical Fertilizer Magnesium Sulphate Heptahydrate

Chemical Fertilizer Magnesium Sulphate Heptahydrate

Min. Order / Reference FOB Price
2 Tons US $200-500/ Ton
Port: Qingdao, China
Production Capacity: 10000 Metric Ton/Metric Tons Per Year
Payment Terms: L/C, T/T, Western Union, Paypal
Certification: ISO9001
Application: Vegetables
Appearance: Granular
Infection on Soil: Physiological Acid
Chemical Character: Chemical Acid
Release Type: Quick

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Basic Info

Model NO.
Magnesium Sulphate Heptahydrate
Potassium With Chloride
Chemical Fertilizer
99.5% Min
48.59% Min
16.24% Min
9.8% Min
Calcium (Ca)
0.008% Max
Ferrum (Fe)
0.002% Max
Chloride (Cl)
0.02% Max
Heavy Metal (Pb)
0.001 % Max
Arsenic (as)
0.0002% Max
Transport Package
Plastic Woven Bag, PE Liner, 25kgs, 50kgs
Shandong, China


Magnesium sulfate is a commonly used magnesium fertilizer, soluble in water. It not only provides magnesium and sulfur to plants, but also looses soil for plant, promotes leaf and root growth, speeds up the absorption of soil nitrogen, phosphorus and other nutrients, increases the plants ability to resist disease. It contains no free acid and form low acid solution when solved in water, bears no harm to plants.



Appearance: White granular/crystal

Purity: 99.5% min

MgSO4: 48.59% min

MgO: 16.24% min

Mg: 9.8% min

pH (5% water Solution): 5-7

Calcium (Ca): 0.008% max

Ferrum (Fe): 0.002% max

Chloride (Cl): 0.02% max

Heavy metal (Pb): 0.001 % max

Arsenic (As): 0.0002% max

Dioxins (PCDDs PCDFs)TEQ (ng/kg): 1.0 max

Dioxins Dioxin-like PCBsTEQ (ng/kg): 1.5 max

Water insoluble: 0.01% max

Mesh/Size (mm): 0.1-1, 0.2-3



This product can be used on vegetables, fruit trees, horticulture and economic crops.

It can be used alone or together with organic fertilizers or other N, k, Ca fertilizers, or mix with trace elements to form multi-nutrient fertilizers. It can be used as basal and additional fertilizer. Foliar spray is recommended when apply to Mg-deficient plan.

For specific application rates follow the recommendation of a qualified individual or institution.

Chemical Fertilizer Magnesium Sulphate Heptahydrate

Package and storage:

Package: plastic woven bag, PE liner, 25kgs, 50kgs or according to client request.

Storage: in sealed and well-ventilated place, avoid sunshine. Keep away from fire, heat.
Chemical Fertilizer Magnesium Sulphate Heptahydrate
Chemical Fertilizer Magnesium Sulphate Heptahydrate
Chemical Fertilizer Magnesium Sulphate Heptahydrate

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