Magnesium Sulphate Heptahydrate Chemical Powder

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Product Description:

Magnesium Sulphate Heptahydrate

Product Name: Magnesium Sulphate Heptahydrate

Molecular formula: MgSO4.7H2O

Molecular weight: 246.47

CAS NO.: 10034-99-8

HS CODE: 28332100


Product features:

magnesium sulphate,also named magnesium sulfate
heptahydrate, epsom salts; bitter salts, when it is used in industry,
it is MgSO4.7H2O, CAS:10034-99-8.


Magnesium sulphate is mainly used in industry, agriculture,food,feedstuff,medical and fertilizer
Categories: MgSO4.7H2O(big, middle,small particles,main content is above 99.5%)

Magnesium sulfate heptahydrate (Agriculture grade):

AppearanceWhite small granular
Main content99% min
MgSO448.59% min
MgO15% min
Mg9.70% min
Ferron(Fe)0.01% max
Chloride(Cl )0.5%max
Heavy metal (Pb)0.001 %max
Arsenic(As)(As)0.0002% max
Size (mm)0.1-1、 0.2-3、 1-4

Magnesium sulfate heptahydrate (Technical Grade):

AppearanceWhite small granular
Main content99.5% min
MgSO448.59% min
MgO16.24% min
Mg9.80% min
Ferron(Fe)0.0015% max
Chloride(Cl )0.015%max
Heavy metal (Pb)0.0008% max
Arsenic(As)(As)0.0002% max
Size (mm)0.1-1、0.2-3、1-4

(1) In agriculture and gardening, magnesium sulphate is used to correct magnesium deficiency in soil.

It is most commonly applied to potted plants, or to magnesium-hungry crops, such as potatoes, roses, tomatoes, and peppers.

 The advantage of magnesium sulphate over

other magnesium soil amendments is its high solubility.
(2) It is used as magnesium fertilizer in agriculture and also used as feed additives.
(3) used as the weight additive for cotton, silk, filling for wood products, and also for the manufacture of

porcelain paint and material of fireproof .
(4) In microbial industry, it is used as the components of growth media, additives of brewing to be the nutrition

sources of fermentation. It is used to enhance the heat endurability as the filling agent in tanning industry.
(5) In light industry, it is used in production of the fresh yeast MSG and the stabilizer of the calcium hydrogen

phosphate for the toothpaste production and the congealing agents for cement, as well as used in pulp and textile

industry, and other industries.

Magnesium Sulphate Heptahydrate Chemical Powder


1.Q: What is MOQ?

  A: Our MOQ is 1 TON. 

2.Q: Could you offer free sample?

  A: We can provide free samples to you for quality testing. 

3.Q: What about your packing?

  A: For liquid: Flexitank, or IBC tank 1000L

For powder:Woven fabric bag with plastic film liner(  25kg or 1000kg)

 Clients’ packing is workable.

4.Q: How about your productive capacity?

  A: 150000 tons/Year. 

5.Q: What is your delivery time?

  A: Within 7 days after received deposit or L/C at sight.


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