Magnesium Chloride

Properties, data and information sources.

Contents

Magnesium chloride is an inorganic chemical compound from the chloride group; it is the magnesium salt of hydrochloric acid.

Names and Identifiers

Name
Magnesium Chloride

Formula
Cl₂Mg
MgCl₂

Molar mass
95.205 (g/mol)

CAS registry number
7786-30-3

EC number EINECS
232-094-6

InChI Key
TWRXJAOTZQYOKJ-UHFFFAOYSA-L

Other names, synonyms
Magnesium dichloride; Magnesium(II) chloride

INCI name
MAGNESIUM CHLORIDE

Chemical formulas

Molecular formula and structural formula of Magnesium Chloride:

Cl₂Mg or MgCl₂

M_r = 95.205 g/mol
SMILES: [Mg+2].[Cl-].[Cl-]

Data and Properties

In its pure state, magnesium chloride is a white, bitter-tasting, deliquescent solid that crystallizes from water in the form of colorless hexagonal crystals and as x-hydrate (x = 1 to 12).

solubility:
+ Easily soluble in water (529 g/L at 0 °C; 542 g/L at 20 °C; 726 g/L at 100 °C); soluble in alcohol (74 g/L at 30 °C)
- Slightly soluble in acetone, pyridine.

melting point
712 °C

boiling point
1412 °C

density
2.316 g cm^-3 at 20 °C

standard enthalpy of formation
-641.1 kJ/mol at 25 °C

standard entropie
89.88 J/(mol K) at 25 °C

Gibbs free energy
-591.6 kJ/mol

heat capacity
71.09 J/(mol K)

magnetic susceptibility χ
-47.4 × 10^-6 cm³ mol^-1

Spectroscopic data:

Human Metabolome Database (GC-MS, LC-MS/MS spectra, NMR)
HMDB0303509

Percentage and isotopic composition:

Mass-related elemental composition and isotope proportions of the compound Magnesium Chloride - Cl₂Mg - calculated based on molecular mass.

Symbol
Element ENumber x
of atoms E_xData of the element
and isotopes *Percentages
of isotopesPercentage of
E_x in formula massCl
Chlorine2 A_r = 35.45 u
ΣA_r = 70.9 u
³⁵Cl: 34.96885 u [75,80 %]
³⁶Cl: 35.96831 u [<< 1 %]
³⁷Cl: 36.9659 u [24,2 %]
³⁵Cl: 56.44893 %
³⁶Cl: trace
³⁷Cl: 18.02195 %
74.4709 %Mg
Magnesium1ΣA_r = 24.305 u
²⁴Mg: 23.98504 u [78,965 %]
²⁵Mg: 24.98584 u [10,011 %]
²⁶Mg: 25.98259 u [11,024 %]
²⁴Mg: 20.15907 %
²⁵Mg: 2.55572 %
²⁶Mg: 2.81433 %
25.5291 %

*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.

More calculated data

The molar mass is M = 95.205 grams per mole.

The amount of substance in one kilogram of the substance is n = 10.504 mol.

The amount of substance in one gram of the substance is n = 0.011 mol.

Monoisotopic mass: 93.9227471 Da - related to ³⁵Cl₂²⁴Mg.

Magnesium Chloride as Active Ingredient

ATC Code:
A12CC01
B05XA11

Mineral substance and additive to intravenous solutions (magnesium source).

For detailed information on the active ingredient, see: DrugBank DB09407, NCI Thesaurus C76656.

Use in food

E-Nummer: E511

Magnesium chloride is an approved food additive under the E number E 511: acidity regulator, firming agent, flavour enhancer, carrier and anti-caking agent.

EU: Status and regulations see EU Food Additives DB Ref. Number 3208.

Use in Cosmetics

INCI Name: MAGNESIUM CHLORIDE

Magnesium chloride (also as hydrate) is an ingredient in cosmetic products that functions as a viscosity-regulating component.

Source: CosIng (Cosmetic Ingredient Database) number: 35088.

Hazard warnings according to GHS

(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.

Signal word: Danger

GHS hazard statements (H phrases):

H290
May be corrosive to metals

H302
Harmful if swallowed

H315
Causes skin irritation

H318
Causes serious eye damage

H319
Causes serious eye irritation

H335
May cause respiratory irritation

LD50 (rat, oral): 2800 mg/kg.

Labeling in the EU: See ECHA Substance Infocard 100.029.176.

For toxicology and occupational safety when handling Magnesium Chloride as well as measures to be taken in case of danger, see: Hazardous Substances Information System GESTIS, ZVG-Nr. 003450.

International Chemical Safety Card ICSC (SDS, MSDS): See ICSC: 0764.

Note: The labeling requirement according to the CLP Regulation (EU) does not apply, among other things, to certain substances and mixtures for end users that are in the form of finished products, such as pharmaceuticals, veterinary drugs, cosmetics, certain medical products and medical devices, food or feed, as well as certain Food additives or flavorings. Special legal regulations may need to be adhered to here.

External Sources

PubChem:ID 5360315ChemSpider:ID 22987Kegg database DBGET:ID C07755UNII of the FDA (USA):Unique Ingredient Identifier 59XN63C8VMEPA CompTox Chemicals Dashboard:DTXSID5034690Other CAS RN:1122625-86-8; 12285-34-6; 77069-22-8 (also used, outdated or deleted registration numbers)

Manufacturers and Sources of Supply

The table below lists producers and suppliers of Magnesium Chloride as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.

Literature Sources

[0] - Specialist and research articles in scientific journals via PubMed: Magnesium_Chloride.

More Chemistry

isotopes

Social Media

Facebook

Twitter

About ChemLin

home

about

contact, imprint

cookie and privacy policy

Last update: 2024-11-06

Perma link: https://www.chemlin.org/chemical-compound/Magnesium Chloride.php