Magnesium Sulfate - Products and Specifications
PQ Corporation manufactures a wide variety of Magnesium Sulfate products for multiple applications. Listed here are products representative of the range we can supply. The properties shown here are typical values, not manufacturing specifications. If you have any questions about these properties or would like information on a product not listed here please contact our Technical Service group.
Magnesium Sulfate Heptahydrate (Epsom Salts)

Magnesium Sulfate Crystal and Liquid
MagnaBrite™20% Liquid MagnaBrite™24% Liquid  
MagnaBrite™27% Liquid MagnaGrow® Agriculture Grade Crystal
Tech Grade Crystal USP Grade Crystal Magnesium Sulfate, 20% Food Grade Liquid
Magnesium Sulfate, 25% Food Grade Liquid Magnesium Sulfate, 26% Food Grade Liquid Magnesium Sulfate, 27% Food Grade Liquid
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Product Name MagnaBrite™ 20% Liquid MSDS
MgSO4, % 20.00 ANSI Top of Page
Baume' @ 104° F 25.6

Product Name MagnaBrite™ 24% Liquid MSDS
MgSO4, % 24.00 ANSI Top of Page
Baume' @ 104° F 31.2


Product Name MagnaBrite™ 27% Liquid MSDS
MgSO4, % 27.00 ANSI Top of Page
Baume' @ 104° F 33.3

Product Name MagnaGrow® MSDS
MgSO4, % 99.75 ANSI Top of Page
Baume' @ 104° F 59.0

Product Name Magnesium Sulfate Agricultural Grade (Crystal) MSDS
MgSO4, Anhydrous, %(min)Wt. 99.0 ANSI Top of Page
LOI, %(max) 52.0
Heavy Metals (as Lead). %(max) 0.001
Selenium, %(max) 0.0030
Boron, ppm(max) 15
Bulk Density, Lbs/ft3 untamped(max) 64
Screen, % USS held on 10 mesh(max) 4.0
USS thru 50 mesh %(max) 10.0
Appearance Colorless crystals, effloresces in warm, dry air

Product Name Magnesium Sulfate Technical Grade. (Epsom Salt) MSDS
MgSO4, Anhydrous, %(min)Wt. 99.0 ANSI Top of Page
MgSO4, %(min) 48.0
Chloride, (as CI.) ppm(max) 300
Bulk Density, Lbs/ft3 untamped(typical) 59
Screen, % USS held on 10 mesh, %(max) 4.0
Screen, % USS thru 50 mesh, %(max) 10.0
Appearance Colorless crystals, effloresces in warm, dry air

Product Name Magnesium Sulfate U.S.P. (Epsom Salt) MSDS
MgSO4, Anhydrous, % range 99.0-100.5 ANSI Top of Page
LOI, %(range) 40.0-520
Heavy Metals (as Lead). %(max) 0.001
Selenium, %(max) 0.0030
Boron, ppm(max) 15
Iron, % non-parenteral (max) 0.002
Iron ppm, parenteral (max) 0.5
pH (in 20% solution) 5.0-9.2
Chloride (as CI.) (max) 0.005
Bulk Density, Lbs/ft3 untamped(max) 64
Screen, % USS held on 10 mesh, %(max) 4.0
USS thru 50 mesh, %(max) 10.0
Appearance Colorless crystals, effloresces in warm, dry air
Meets Organic Volatile Impurity Limits  

Product Name Magnesium Sulfate 20% Food Grade Liquid MSDS
MgSO4, % 20.00 ANSI Top of Page
Baume' @ 40° C 26.6

Product Name Magnesium Sulfate 25% Food Grade Liquid MSDS
MgSO4, % 25.00 ANSI Top of Page
Baume' @ 40° C 32.1

Product Name Magnesium Sulfate 26% Food Grade Liquid MSDS
MgSO4, % 26.00 ANSI Top of Page
Baume' @ 40° C 33.3

Product Name Magnesium Sulfate 27% Food Grade Liquid MSDS
MgSO4, % 27.00 ANSI Top of Page
Baume' @ 40° C 34.8



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