(NH4)2Ni(SO4)2 x 6 H2O

CHEBI:86149 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:86149
Ontology label
ammonium nickel sulfate hexahydrate

Nutritional roles

Synonyms (13)

SynonymTypeSourceOccurrences
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component RAW_TEXT CultureMech
(NH4)2Ni(SO4)2 x 6 H2O (0.1% w/v) HYDRATE_FORM kg_microbe
(NH4)2Ni(SO4)2.6H2O HYDRATE_FORM kg_microbe
(NH4)2Ni(SO4)2·6H2O HYDRATE_FORM kg_microbe
(NH4)2Ni(SO4)2・6H2O HYDRATE_FORM kg_microbe
Ammonium nickel(2+) sulfate hexahydrate EXACT_SYNONYM kg_microbe
Diammonium nickel disulfate hexahydrate EXACT_SYNONYM kg_microbe
Nickel ammonium sulfate hexahydrate EXACT_SYNONYM kg_microbe
Nickel diammonium disulfate hexahydrate EXACT_SYNONYM kg_microbe
ammonium nickel sulfate hexahydrate EXACT_SYNONYM kg_microbe
ammonium nickel(II) sulfate hexahydrate EXACT_SYNONYM kg_microbe
(NH4)2Ni(SO4)2•6H2O HYDRATE_FORM merged_from_duplicate_mim_record
ammonium nickel(2+) sulfate--water (2/1/2/6) EXACT_SYNONYM kg_microbe

Rejected enrichment labels (1)

Provenance-only candidates: these are not synonyms and do not resolve to this record.

Rejected labelDispositionSourceOccurrences
(NH4)2Ni(SO4)2 REJECTED_LABEL kg_microbe

Chemical properties

Cas rn
7785-20-8
Data source
PubChem (via CHEBI:86149)
Retrieval date
2026-04-09T00:32:50.689620+00:00
Molecular formula
6H2O.2H4N.Ni.2O4S
Inchi
InChI=1S/2H3N.Ni.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;/h2*1H3;;2*(H2,1,2,3,4);6*1H2/q;;+2;;;;;;;;/p-2
Smiles
O.O.O.O.O.O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[NH4+].[NH4+].[Ni+2]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
150
Distinct media
150

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T23:46:31.066380+00:00 fetch_cas_rn_with_preprocessing ADDED_CAS_RN MAPPED Added CAS-RN:680-452-9 from PubChem API (ontology label) via name preprocessing ((NH4)2Ni(SO4)2·6H2O)
2026-04-05T23:46:34.477481+00:00 fetch_cas_rn_with_preprocessing ADDED_CAS_RN MAPPED Added CAS-RN:680-452-9 from PubChem API (ontology label) via name preprocessing ((NH4)2Ni(SO4)2•6H2O)
2026-04-09T00:32:50.689620+00:00 enrich_mim_cas_rn_batch CAS_RN_ADDED MAPPED Added CAS-RN 56110-30-6 from PubChem (via CHEBI:86149)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 10 synonyms from kg-microbe P4.4 enrichment: (NH4)2Ni(SO4)2 x 6 H2O (0.1% w/v), (NH4)2Ni(SO4)2.6H2O, (NH4)2Ni(SO4)2·6H2O, (NH4)2Ni(SO4)2・6H2O, Ammonium nickel(2+) sulfate hexahydrate, ... (5 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 9 synonyms from kg-microbe P4.4 enrichment: (NH4)2Ni(SO4)2 x 6 H2O, (NH4)2Ni(SO4)2 x 6 H2O (0.1% w/v), (NH4)2Ni(SO4)2.6H2O, (NH4)2Ni(SO4)2・6H2O, Ammonium nickel(2+) sulfate hexahydrate, ... (4 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 2 synonyms from kg-microbe P4.4 enrichment: (NH4)2Ni(SO4)2, ammonium nickel(2+) sulfate--water (2/1/2/6)
2026-04-19T07:23:20.785693+00:00 audit_mim_merge MERGED_FROM_DUPLICATES MAPPED Absorbed 2 duplicate MIM record(s) into this one: Nh42ni_So426h2o.yaml, Nh42ni_So426h2o_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break.
2026-05-01T07:35:35.459171+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:31.546749+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=6H2O.2H4N.Ni.2O4S; inchi=InChI=1S/2H3N.Ni.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;; smiles=O.O.O.O.O.O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[N
2026-05-02T03:12:17.324845+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-29T23:35:36.112396+00:00 extract_roles_from_synonyms ANNOTATED Added media role: MINERAL (confidence: 1.00)
2026-06-09T05:23:46.811698+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label '(NH4)2Ni(SO4)2 x 6 H2O' -> 'ammonium nickel sulfate hexahydrate': synced to canonical CHEBI label (preferred_term '(NH4)2Ni(SO4)2 x 6 H2O' unchanged).
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): MINERAL -> nutritional_roles.TRACE_ELEMENT
2026-08-27T03:16:39.519591+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 64/94 -> 150/150 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257]
2026-08-29T04:18:06.718015+00:00 hydrate_family_cas CORRECTED cas_rn 56110-30-6 -> 7785-20-8. 56110-30-6 is the ANHYDROUS parent's CAS; this record is grounded to CHEBI:86149 ammonium nickel sulfate hexahydrate, whose ChEBI dbxref is 7785-20-8 (#334).
2026-09-24T07:48:22.753683+00:00 claude LLM REJECTED_WRONG_SUBSTANCE_SYNONYMS MAPPED Retyped REJECTED_LABEL: '(NH4)2Ni(SO4)2' (EXACT_SYNONYM): the anhydrous salt's label on the hexahydrate record (#669). Kept as provenance only; it must not resolve, be exported, or enter the SSSOM other column.