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MAG® - Total Ice & Dust Control 

Product Specification:

Chemical Composition: Magnesium Chloride Hexahydrate Flakes
Chemical Formula: MgCl
2 · 6H2O

 Chemical  % (Precent)
Magnesium Chloride


Calcium Chloride


Sodium Chloride


Potassium Chloride


Sulphates 0.02% typical
Bulk Density  0.79-0.85 kg/L3
49.33-53.08 lb/ft3
Freezing Point -270 F @ 22% Solution (Saturated)



 MSDS MAG Flakes

  MSDS MAG Pellets


more information
 MAG® - Ice Control
Ice Melting Performance
Ice melting performance is measured not only by the speed of the melting action but also by the quantity of melted water produced per unit of ice melter used. The following graph compares the ice melting performance of MAG®, calcium chloride and sodium chloride.
The tests were performed by the Swedish VTI by spreading 10 grams of each ice melter evenly over an icy surface at 21° F. As seen by these tests, MAG® is a highly effective ice melter comparing favorably with calcium chloride.

Comparison of Practical & Eutectic Melting Points of Selected ice melter chemicals:

Ice Melter

Eutectic Temp oF

Practical Temp oF

Calcium Chloride






Rock Salt (Halite)






Potassium Chloride



Calcium Magnesium Acetate



Data obtained from literature, labeling and known scientific data

 MAG® - Environmental Considerations - Chloride Content

MAG® has less chlorides available for pollution
A major environmental concern is the amount of chlorides added to our lakes, rivers and reservoirs. As shown on the following chart, MAG® has significantly less chlorides available for runoff.
MAG® has 22%, 29%, 39% and 43% less chlorides than potassium chloride, calcium chloride 77%, calcium chloride 90% and sodium chloride respectively. Clearly, MAG® is the environmentally safer choice for high performance ice melters.

 MAG® - Environmental Considerations - Effect on Concrete

MAG® is Less Damaging to Concrete Than Calcium Chloride and Sodium Chloride
All ice melting chemicals lower the freezing point of water and increase the number of freeze/thaw cycles. As a result of water repeatedly freezing and expanding, concrete surfaces will tend to spall, scale or break into small chips. New concrete surfaces and concrete of poor quality are particularly vulnerable to spalling. (Ice melting chemicals should not be used on concrete less than one year old.) As shown below in tests performed by the Strategic Highway Research Program (SHRP), National Research Council, Washington, D.C., the use of MAG® as an ice melter resulted in significantly less concrete spalling than calcium chloride or sodium chloride.

3% test concentrations of brine were used since ice melter brine typically dilutes itself to this level soon after it is applied. After 15 freeze/thaw cycles, the use of sodium chloride resulted in over 63 times and calcium chloride resulted in over 26 times the amount of concrete loss than MAG®.

 MAG® - Environmental Considerations - Corrosion on Metals

MAG® Corrodes Tin And Aluminum Less Than Calcium Chloride and Sodium Chloride
Corrosion by ice melters does untold damage to metal surfaces and structures. Tests by the Kali Forschungs Institute in Germany, summarized in the charts below, show that MAG® produces significantly less corrosion than calcium chloride and sodium chloride.


 MAG® - Personal Safety - Toxicity

MAG® is Much Less Toxic Than Salt & Calcium Chloride
Accidental ingestion by pets, animals and children is a concern to all of us. MAG® is much safer than all other popular ice melting chemicals because of its very low toxicity. The following is a chart of common chemical substances (and a few not so common) and their LD50 (Lethal Dose 50%) levels.
LD50 is the amount of a substance (in mg per kg of body weight) expected to kill 50% of the test animals in a controlled study. The larger the I.D50 number the less toxic the material.) As shown by the data, MAG® is less toxic than baking soda and table salt, chemicals we ingest on a daily basis. When compared to other ice melting chemicals, MAG® is much less toxic and much safer to use around animals, pets and humans.

 MAG® - Personal Safety - Irritation To Skin

MAG® is less irritating to the skin
MAG®, unlike calcium chloride, is not noticeably exothermic (generates heat) when it first comes in contact with moisture. Magnesium chloride is unlikely to irritate the skin or burn the skin when it contacts moist skin surfaces.

MAG® is safer around vegetation. When used as directed, MAG® is safer to use around plants and bushes. In fact, magnesium chloride is used as an ingredient in some fertilizers.



  MAG® - Total Ice Control (30 seconds video mpg) - Download video (5.5MB)
  MAG® - Total Dust Control (30 seconds video mpg) - Download video (4.8MB)

MAG® -Total Dust Control Download pdf(118KB)


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