Online Database of Chemicals from Around the World

Magnesium chloride
[CAS# 7786-30-3]

List of Suppliers
Simagchem Corporation China Inquire  
+86 13806087780
sale@simagchem.com
Chemical manufacturer since 2002
chemBlink standard supplier since 2008
Hefei TNJ Chemical Industry Co., Ltd. China Inquire  
+86 (551) 6541-8684
sales@tnjchem.com
Chemical manufacturer since 2001
chemBlink standard supplier since 2010
Weifang Haina International Co., Ltd. China Inquire  
+86 (536) 886-6010
hnindustry@gmail.com
Chemical distributor
chemBlink standard supplier since 2010
Medilink Pharmachem India Inquire  
+91 (79) 3007-0133
exports@medilinkpharma.com
Chemical distributor since 1996
chemBlink standard supplier since 2014
Leap Chem Co., Ltd. China Inquire  
+86 (852) 3060-6658
market19@leapchem.com
QQ chat
Chemical manufacturer since 2006
chemBlink standard supplier since 2015
Shanghai Yuanye Bio-Technology Co., Ltd. China Inquire  
+86 (21) 6184-5781
+86 13585604150
shyysw053@163.com
QQ chat
Chemical manufacturer since 2009
chemBlink standard supplier since 2016
Shouguang Hengyi Chemical Technology Co., Ltd. China Inquire  
+86 (536) 889-9168
sghychem@126.com
Chemical manufacturer since 2014
chemBlink standard supplier since 2019
Neostar United (Changzhou) Industrial Co., Ltd. China Inquire  
+86 (519) 8555-7386
+86 18015025600
marketing1@neostarunited.com
Chemical distributor since 2014
chemBlink standard supplier since 2020
Complete supplier list of Magnesium chloride
Identification
Classification Inorganic chemical industry >> Inorganic salt >> Metal halides and halides >> Metal chlorides and salts
Name Magnesium chloride
Molecular Structure CAS # 7786-30-3, Magnesium chloride
Molecular Formula MgCl2
Molecular Weight 95.21
CAS Registry Number 7786-30-3
EC Number 232-094-6
SMILES [Mg+2].[Cl-].[Cl-]
Properties
Density 2.32 g/mL (Expl.)
Melting point 714 ºC (Expl.)
Boiling point 1412 ºC (Expl.)
Solubility water 55% w/w (20 $degreeC), very soluble in ethonol (Expl.)
Safety Data
Hazard Symbols symbol symbol   GHS05;GHS07 DangerGHS05    Details
Hazard Statements H290-H302-H315-H318-H319-H335    Details
Precautionary Statements P234-P261-P264-P264+P265-P270-P271-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P305+P354+P338-P317-P319-P321-P330-P332+P317-P337+P317-P362+P364-P390-P403+P233-P405-P406-P501    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin irritationSkin Irrit.2H315
Substances or mixtures corrosive to metalsMet. Corr.1H290
Serious eye damageEye Dam.1H318
Acute toxicityAcute Tox.4H302
Eye irritationEye Irrit.2H319
Specific target organ toxicity - single exposureSTOT SE3H335
Skin sensitizationSkin Sens.1H317
Skin corrosionSkin Corr.1H314
Eye irritationEye Irrit.2AH319
SDS Available
up Discovory and Applicatios
Magnesium chloride is an inorganic salt with the chemical formula MgCl2. It occurs naturally in various hydrated forms, with the hexahydrate (MgCl2·6H2O) being the most common. This compound is highly soluble in water and exists as colorless, deliquescent crystals or as a white powder. Magnesium chloride is widely used in industrial, agricultural, and medical applications due to its chemical reactivity, solubility, and physiological compatibility.

Magnesium chloride is primarily obtained from natural sources such as seawater, salt lakes, and brine wells. One of the richest sources is the Dead Sea, where it is extracted along with other salts. Another important source is the mineral bischofite (MgCl2·6H2O), which occurs in ancient seabed deposits. Industrial production typically involves the concentration of magnesium-rich brines, followed by crystallization and purification steps. In anhydrous form, magnesium chloride can also be prepared by the reaction of magnesium oxide or magnesium carbonate with hydrochloric acid.

One of the key industrial uses of magnesium chloride is in the production of magnesium metal. In this process, anhydrous MgCl2 is electrolyzed in a molten state to yield magnesium metal and chlorine gas. This method, known as the Dow process, has been widely used for commercial magnesium production. The high reactivity of magnesium and its light weight make it valuable in aerospace, automotive, and structural applications.

Magnesium chloride is also used as a fluxing agent in the production of ceramics, textiles, and cement. In the construction industry, it is added to magnesium oxychloride cement, sometimes referred to as Sorel cement, which is known for its fast setting, hardness, and abrasion resistance. This type of cement is used in flooring, fire-resistant panels, and polishing stones.

In agriculture, magnesium chloride serves as a source of magnesium, an essential plant nutrient involved in chlorophyll synthesis and enzymatic functions. It is used to correct magnesium deficiency in soils, often in the form of a foliar spray or soil amendment. In livestock farming, magnesium chloride is added to feed and water to prevent hypomagnesemia, commonly known as grass tetany, in grazing animals.

Another important application is in road maintenance, where magnesium chloride is used as a de-icing agent and dust suppressant. It lowers the freezing point of water, helping to prevent the formation of ice on roads during winter. It also binds fine dust particles in unpaved roads, reducing airborne dust and improving visibility and air quality.

In the medical field, magnesium chloride is administered orally or intravenously to treat magnesium deficiency in humans. It has been used in managing electrolyte imbalances, cardiac arrhythmias, and preeclampsia. Due to its good bioavailability, it is often preferred in nutritional supplements. Solutions of magnesium chloride are also used in certain topical applications to soothe sore muscles and joints.

Magnesium chloride is generally recognized as safe when used according to recommended guidelines. However, excessive exposure or ingestion can lead to gastrointestinal discomfort or hypermagnesemia, particularly in individuals with impaired kidney function. In industrial settings, handling precautions include the use of protective equipment to prevent skin and eye contact with concentrated solutions or dust.

In summary, magnesium chloride is a versatile and widely used inorganic compound with applications in metallurgy, agriculture, construction, road safety, and medicine. Its natural abundance, solubility, and chemical reactivity support its continued importance in both industrial processes and public health.

References

2024. Characterization and Performance Evaluation of Magnesium Chloride-Enriched Polyurethane Nanofiber Patches for Wound Dressings. International Journal of Nanomedicine, 19.
DOI: 10.2147/ijn.s460921

2024. Unraveling the Mechanisms Involved in the Beneficial Effects of Magnesium Treatment on Skin Wound Healing. International Journal of Molecular Sciences, 25(9).
DOI: 10.3390/ijms25094994

1984. Magnesium absorption in mature ewes infused intrarumenally with magnesium chloride. The British Journal of Nutrition, 52(3).
DOI: 10.1079/bjn19840120
Market Analysis Reports
List of Reports Available for Magnesium chloride
Related Products
Magnesium bromate hexahydrate  Magnesium bromide  Magnesium bromide diethyl etherate  Magnesium bromide hexahydrate  Magnesium, Bu octyl complexes  Magnesium carbonate  Magnesium carbonate  Magnesium carbonate basic  Magnesium carbonate hydrate  Magnesium carbonate hydroxide  Magnesium chloride hexahydrate  Magnesium citrate  Magnesium citrate tribasic nonahydrate  Magnesium diamide  Magnesium dihydrogen di-L-aspartate  Magnesium dihydrogen phosphate  Magnesium diisopropylate  Magnesium dioxide  Magnesium ethoxide  Magnesium 2-ethylbutyrate