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Chemical substance record

Nickel dichloride

7718-54-9Cl2Ni129.599 g/mol

A compound of nickel and chloride in which the ratio of nickel (in the +2 oxidation state) to chloride is 1:2. — ChEBI

Safety references

Safety documents & references

1 indexed references
JP · NITE

Government GHS classification

R03-C-060-MHLW, MOE · FY2021

View classification

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Identity & molecular properties

Source-linked values
CAS number7718-54-9ChEBI ↗
Molecular formulaCl2NiChEBI ↗
Molar mass129.599 g/molChEBI ↗
Monoisotopic mass127.87305 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:34887ChEBI ↗

Names & structural identifiers

Copy any identifier
nickel dichloride
nickel dichloride
QMMRZOWCJAIUJA-UHFFFAOYSA-L
[Cl][Ni][Cl]
InChI=1S/2ClH.Ni/h2*1H;/q;;+2/p-2

Names & synonyms

nickel(2+) chloridenickel(II) chloride

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

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

calcium channel blockerhapten

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

Safety classification · Japan

NITE / Japanese government
Japan · FY2021 source classification
Nickel chloride · R03-C-060-MHLW, MOE
EndpointReported classification
Acute toxicity (Oral)Category 3
Acute toxicity (Inhalation: Dusts and mists)Category 2
Hazardous to the aquatic environment (Acute)Category 1
Hazardous to the aquatic environment (Long-term)Category 1

Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.

Read the original NITE classification

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00771611 mol

Uses 129.599 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
Cl
Chlorine · 2 atoms
54.71%
Ni
Nickel · 1 atom
45.29%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:34887

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

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.