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. A USPGrade chemical is the one that conforms to the criteria of the United States Pharmacopeia (USP). A substance that has received the USP Grade certification can be used in food, drug, or medical applications. Due to its high purity, Lab Alley’s Magnesium Sulfate Crystals is a USP Grade chemical. In the United States of America (USA), Lab Alley is selling its high-quality Sulfate Crystals, USP Grade online at laballey.com.
Competitive pricing and well-stocked US-based inventory.
Fast 1-2 business days shipping, including hazmat transport.
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Delivery on budget, on time, every time.
Product Information
More Information
CAS
10034-99-8
Assay
99.0-100.5%
Grade
USP 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
Arsenic (As)
2 ppm
Autoship Available
Yes
Chloride (Cl)
0.01%
Heavy metals
0.00%
Iron (Fe)
20 μg/g
KosherID
SPJ-RQLB
Loss on ignition
40.0 -52.0 %
Selenium (Se)
<30 ppm
Reviews
Safety and Shipping
Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Magnesium Sulfate, USP 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.
