Nickel sulfate hexahydrate
A hydrate that is the hexahydrate of nickel sulfate. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
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Identity & molecular properties
Source-linked values| CAS number | 10101-97-0 | ChEBI ↗ |
| Molecular formula | 6H2O.Ni.O4S | ChEBI ↗ |
| Molar mass | 262.846 g/mol | ChEBI ↗ |
| Monoisotopic mass | 261.95046 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:53437 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 262.85 g/mol | PubChem ↗ |
| Exact mass | 261.950459 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
Copy any identifiernickel sulfate hexahydratenickel(2+) sulfate--water (1/6)RRIWRJBSCGCBID-UHFFFAOYSA-LO=S(=O)([O-])[O-].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[Ni+2]InChI=1S/Ni.H2O4S.6H2O/c;1-5(2,3)4;;;;;;/h;(H2,1,2,3,4);6*1H2/q+2;;;;;;;/p-2Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese governmentNickel sulfate hexahydrate · 25A0072
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 3 |
| Respiratory sensitization | Category 1 |
| Skin sensitization | Category 1 |
| Carcinogenicity | Category 1A |
| Specific target organ toxicity - Repeated exposure | Category 1 (respiratory system), Category 2 (liver, testis) |
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 classificationMass ↔ amount of substance
Calculated from sourced massUses 262.846 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 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.