Magnesium Sulfate, also known as Magnesium Sulfate Heptahydrate, Magnesium Sulfate Heptahydrate, and Epsom Salt, is often available as heptahydrate of Magnesium(2+) Sulfate having the chemical formula H14MgO11S or MgSO4-7H2O. It appears as white, odorless hygroscopic crystals or powder and is soluble in water, alcohol at ambient conditions.Lab grade chemicals possess reasonable purity but do not comply with any official standard for quality or purity like the ACS Grade, the USP Grade, or the FCC Grade. The Lab Grade is also known as Laboratory Reagent (LR) and Chemically Pure (CP). Lab Alley’s Magnesium Sulfate Crystal, Lab Grade is recommended for educational institutes, research labs, and commercial applications.
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Product Information
More Information
CAS
10034-99-8
Assay
98.0-102.0%
Grade
Lab Grade
Color
White
Physical form
Solid
Appearance
White
Odor
Odorless
pH
5-8.2 5% aq.sol
Melting point
770 °C
Vapor pressure
<0.1 mmHg @ 20°C
Density
1.678
Molecular formula
MgSO4-7H2O
Molecular weight
246.48
Ammonium (NH4)
0.00002
Autoship Available
Yes
Calcium (Ca)
0.02%
Chloride (Cl)
5 ppm
Heavy metals
5 ppm
Insoluble matter
0.01%
Iron (Fe)
5 ppm
Loss on ignition
40.0 -52.0 %
Magnesium (Mg)
Pass
Selenium (Se)
<30 ppm
Sodium (Na)
0.00005
Sulfate (SO4)
Pass
Reviews
Safety and Shipping
Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Magnesium Sulfate Crystals, Lab Grade.
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This chemical will only be shipped to addresses that are:
Businesses
Schools and Universities
Laboratories
If you use a residential address during checkout, we will automatically remove this item from your order prior to shipping.
If your order includes more than 1 lb of mercury, it must be shipped to a commercial address, lab, or school.
Please note that we’re unable to ship mercury—of any amount—to apartments or shipping/parcel stores.
Ineligible orders will be automatically canceled.
If you are purchasing SDA in 5 gallons or more, you are required to provide a TTB permit showing how much of the product you are allowed to purchase per year. Please email your TTB permit to customercare@laballey and include your Order Number.
