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Magnesium chloride

General Description Uses
Magnesium chloride
Magnesium chloride
Chemical Name:
Magnesium chloride
dus-top;Slow-Mag;Lys, TMS;Magnogene;Chloromagnesite;Magnesiumchlorid;MgCl2(anhydrous);SUPERBROTH POWDER;Magnesium chloride;magnesiumdichloride
Molecular Formula:
Formula Weight:
MOL File:

Magnesium chloride Properties

Melting point:
714 °C(lit.)
Boiling point:
2.32 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.336
storage temp. 
H2O: soluble
Specific Gravity
5.0-7.5 (25℃, 1M in H2O)
Water Solubility 
400 G/L (20 ºC)
λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.03
CAS DataBase Reference
7786-30-3(CAS DataBase Reference)
NIST Chemistry Reference
Magnesium dichloride(7786-30-3)
EPA Substance Registry System
Magnesium chloride (MgCl2)(7786-30-3)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38-43-36/37
Safety Statements  26-36-24/25-22-36/37-39
WGK Germany  1
RTECS  OM2800000
HS Code  28273100
Hazardous Substances Data 7786-30-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2800 mg/kg
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.

Magnesium chloride price More Price(45)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 208337 Magnesium chloride powder, <200 μm 7786-30-3 1kg $52.4 2018-11-13 Buy
Sigma-Aldrich 00457 Magnesium chloride solution 0.1 M 7786-30-3 1ml-f $59 2018-11-13 Buy
Alfa Aesar 012315 Magnesium chloride, anhydrous, 99% 7786-30-3 5kg $99 2018-11-16 Buy
Alfa Aesar 012315 Magnesium chloride, anhydrous, 99% 7786-30-3 1kg $34.9 2018-11-16 Buy
Strem Chemicals 93-1221 Magnesium chloride, 97.5% (H2O - 2% max.) 7786-30-3 250g $20 2018-11-13 Buy

Magnesium chloride Chemical Properties,Uses,Production

General Description

Magnesium chloride is a constituent of sea water. It also is found in most natural brines and many minerals such as carnallite, KCl•MgCl2•H2O. Its hexahydrate occurs in nature as mineral bischofite, MgCl2•6H2O.


Industry Application Role/benefit
Chemical manufacture Manufacturer of  magnesium metal and other magnesium compounds Source of magnesium
Road maintenance Dust control Moisture absorbed from the air prevents dust formation
Snow and ice control De-icing agent/helps to prevent the ice bond on the road and to remove ice buildup from road
Medicine Treating or preventing magnesium deficiency Source of magnesium/helps to raise magnesium levels in the body
Food Tofu Coagulant agent/helps liquid forms of soy to solidify into tofu
Baby formula milk Ingredient
Gas storage Storage of Hydrogen Gas Storage material/effectively absorbs ammonia which is rich in hydrogen atoms
Cement Manufacturer of Sorel cement Raw material/Mixed with hydrated magnesium oxide to form hard material
Others Fire extinguishers Effective reactant
Paper filling Fire retardant
Textile filling Keeps the humidity of cotton to make it soft
Fertilizer Source of magnesium
Mineral supplement for animals
Refrigeration brine and artificial seawater
Waste water treatment Effective ingredient
Anesthesia for cephalopods, crustaceans and bivalve Anaesthetic
Polymerase chain reaction Necessary for both in vivo/vitro DNA synthesis

Chemical Properties

Magnesium chloride,MgCI2,also known as chloromagnesite, is a colorless crystalline solid. It is soluble in water and alcohol and is used in the ceramic and textile industries. Magnesium chloride is formed by heating hydrated magnesium chloride crystals in a current of dry hydrogen chloride or by heating magnesium ammonium chloride. Hydrated magnesium chloride, MgCI2·6H20 , also known as bischophite,is a white deliquescent solid formed by the reaction of magnesium carbonate(or hydroxide,oxide or metal)and hydrogen chloride. It is used in disinfectants, fire extinguishers, and paper manufacture.


An excellent magnesium ion source for synthesis and biology research


Magnesium Chloride is a source of magnesium, a color-retention agent, and firming agent. it exists as colorless flakes or crystals and is very soluble in water.


ChEBI: Magnesium chloride is a magnesium salt comprising of two chlorine atoms bound to a magnesium atom.


Toxic by ingestion.

Magnesium chloride Preparation Products And Raw materials

Raw materials

Preparation Products

Magnesium chloride Suppliers

Global( 191)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22049 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20786 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 CHINA 1374 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Hubei Jusheng Technology Co.,Ltd.
86-155-27864001 CHINA 18004 58
hebei chisure biotechnology co.,ltd
0311 66567340
0311 66567340 CHINA 518 58
Hebei Ruishun Trade Co.,LTD
17052563120 CHINA 300 58
Lianyungang Kexin Chemical Co., Ltd. 18805133257 CHINA 85 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62

View Lastest Price from Magnesium chloride manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-11-06 China Supplier Magnesium chloride
US $1.00 / KG 1KG 99% 20tons hebei chisure biotechnology co.,ltd
2018-11-05 Magnesium chloride CAS 7786-30-3
US $1.00 / KG 1KG 99% 20tons hebei chisure biotechnology co.,ltd
2018-11-05 factory directly Magnesium chloride with competitive price
US $1.00 / KG 1KG 99% 20tons hebei chisure biotechnology co.,ltd

Magnesium chloride Spectrum

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