Ontology mapping
- Primary identifier
-
CHEBI:16136 - Ontology label
- hydrogen sulfide
Physicochemical roles
- Role
- REDUCING_AGENT
- Confidence
- 0.8
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Inferred from curated media-role name pattern
- Curator note
- Provisional role from a curated name-pattern rule; review recommended.
Environmental context
- Environment term
- ENVO:01000030
- Environment label
- marine hydrothermal vent biome
- Relevance
- ENVIRONMENT_MIMIC
- Notes
- Vent fluids are sulfide-rich; H2S supplementation reproduces vent chemistry for chemolithotrophic vent organisms.
Synonyms (3)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| dihydridosulfur | EXACT_SYNONYM | chebi_synonym_review | |
| dihydrogen(sulfide) | EXACT_SYNONYM | chebi_synonym_review | |
| sulfane | EXACT_SYNONYM | chebi_synonym_review |
Rejected enrichment labels (1)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| produces: hydrogen sulfide | REJECTED_LABEL | sssom_other_backfill |
Chemical properties
- Molecular formula
- H2S
- Inchi
- InChI=1S/H2S/h1H2
- Smiles
- [H]S[H]
- Data source
- CHEBI sqlite (oaklib)
Evidence (1)
LEXICAL_MATCH
via kgm-metatraits
Imported from kgm-metatraits via source-preset. source_id=kgm.metatraits.chemical:hydrogen_sulfide;
Occurrence statistics
- Total occurrences
- 0
- Distinct media
- 0
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-30T20:14:01.918670+00:00 | audit_import_ingredients[kgm-metatraits] | CREATED_FROM_INGREDIENT_IMPORT | MAPPED | Imported from kgm-metatraits via source-preset. source_id=kgm.metatraits.chemical:hydrogen_sulfide; |
| 2026-05-01T07:35:34.009918+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:29.989323+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=H2S; inchi=InChI=1S/H2S/h1H2; smiles=[H]S[H] | |
| 2026-05-02T03:12:15.032727+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-24T04:03:54.899342+00:00 | env_context_phase3_initial | ANNOTATED | Added 1 environmental_context entries (issue #1, Phase 3 initial pass). | |
| 2026-06-02T07:05:13.390016+00:00 | infer_roles_from_name_lists | ANNOTATED | Added media role: REDUCING_AGENT (confidence: 0.80) | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): REDUCING_AGENT -> physicochemical_roles.REDUCING_AGENT | |
| 2026-09-02T17:40:44.716277+00:00 | claude_sssom_surface_form_backfill | ADDED_SYNONYMS | Recovered 1 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'produces: hydrogen sulfide'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). | |
| 2026-09-22T06:14:49.563933+00:00 | claude LLM | REJECTED_TRAIT_SYNONYMS | Retyped activity/assay phrases as provenance-only REJECTED_LABEL because they describe a process or organism trait, not an ingredient name (#703): 'produces: hydrogen sulfide'. Preserved original text and source metadata. No identity, mapping, role, or remaining-synonym claim was adjudicated. |