Home/Chemicals/7791-18-6

Chemical substance record

Magnesium dichloride hexahydrate

7791-18-6₂Cl.₆H₂O.Mg203.301 g/mol

Coordination CompoundChEBI source record

A hydrate that is the hexahydrate form of magnesium dichloride. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values

CAS number	7791-18-6	ChEBI ↗
Molecular formula	₂Cl.₆H₂O.Mg	ChEBI ↗
Molar mass	203.301 g/mol	ChEBI ↗
Monoisotopic mass	201.98614 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:86345	ChEBI ↗

Cross-source molecular data

PubChem

Molar mass	203.30 g/mol	PubChem ↗
Exact mass	201.9861352 Da	PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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Source preferred name

magnesium dichloride hexahydrate

IUPAC name

magnesium dichloride--water (1/6)

InChIKey

DHRRIBDTHFBPNG-UHFFFAOYSA-L

SMILES

O.O.O.O.O.O.[Cl-].[Cl-].[Mg+2]

InChI

InChI=1S/2ClH.Mg.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

Names & synonyms

magnesium dichloride--water (1/6)

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

hydrateChEBI parent class · 35505 ↗inorganic chlorideChEBI parent class · 36093 ↗magnesium halideChEBI parent class · 51234 ↗

inorganic salt coordination entity inorganic molecular entity hydrate

Roles recorded in ChEBI

hypoglycemic agentantineoplastic agent

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass

Amount

Input unit

Equivalent amount

0.00491881 mol

Uses 203.301 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Research & patent references

Selected source associations

Partial sodium replacement in tilapia steak without loss of acceptability. ↗Food science and technology international = Ciencia y tecnologia de los alimentos internacional · 2015 Jun · PMID 24831644

Preparation of organic tofu using organic compatible magnesium chloride incorporated with polysaccharide coagulants. ↗Food chemistry · 2015 Jan 15 · PMID 25148974

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:86345

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

Additional molecular descriptorsNCBI PubChem · CID 24644 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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