Canonical ingredient

Hydrogen sulfide (H2S)

hydrogen sulfide

0 linked products

Official identifiers

CAS 7783-06-4 ChEBI CHEBI:16136 InChI InChI=1S/H2S/h1H2 InChIKey RWSOTUBLDIXVET-UHFFFAOYSA-N KEGG_COMPOUND C00283 SMILES [H]S[H]

Names and synonyms

Hydrogen sulfide (H2S) (en)
Sulfure d'hydrogène (fr-CA)

Source-scoped chemical properties

Every value keeps its own authority, licence and retrieval date. Conflicting values are not silently merged.

canada dsl listing: listed; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl bioaccumulative: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl inherently toxic aquatic: Yes; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets cepa categorization: Yes; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets environmental: Yes; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets human health: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl persistent: Yes; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl substance category: Inorganics; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03

Official environmental reports

Facility and company names are reported to NPRI. A reported name is not treated as a verified corporate identity until it is matched to a government business registry.

Domtar Usine de Windsor2024
Stack / Point · 34.40987 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Domtar Usine de Windsor2024
Direct Discharges · 4.918201 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2024
Stack / Point · 6.6508 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2024
Direct Discharges · 1.9882 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2024
Fugitive · 10.23 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2024
Stack / Point · 21.11 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2024
Storage / Handling · 3.81 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2024
Direct Discharges · 10.32 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2024
Fugitive · 6.817 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2024
Stack / Point · 5.427 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2024
Direct Discharges · 0.127 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Montreal Sulphur Plant2024
Stack / Point · 1.10291 tonnes
Suncor Enery Products Partenership · Montréal-Est, QC · INRP/NPRI 2229
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Energy Recovery · 0.002 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Incineration / Thermal · 0.017 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Fugitive · 1.602 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Stack / Point · 4.773 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Storage / Handling · 0.048 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2024
Direct Discharges · 0.573 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Usine de Bouletage de Port-Cartier2024
Stack / Point · 39.955 tonnes
ArcelorMittal Exploitation Minière Canada s.e.n.c. · Port-Cartier, QC · INRP/NPRI 2000
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Usine de La Tuque2024
Stack / Point · 12.5 tonnes
Compagnie WestRock du Canada Corp. · La Tuque, QC · INRP/NPRI 3140
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Domtar Usine de Windsor2023
Stack / Point · 33.63041 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Domtar Usine de Windsor2023
Direct Discharges · 4.708006 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2023
Stack / Point · 6.641 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2023
Direct Discharges · 2.1225 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2023
Stack / Point · 16 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2023
Fugitive · 6.689 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2023
Stack / Point · 4.947 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kruger Wayagamack Inc.2023
Direct Discharges · 0.132 tonnes
Kruger Wayagamack S.E.C. · Trois-Rivières, QC · INRP/NPRI 2502
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Montreal Sulphur Plant2023
Stack / Point · 0.9401 tonnes
Suncor Enery Products Partenership · Montréal-Est, QC · INRP/NPRI 2229
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Montreal Sulphur Plant2023
Storage / Handling · 1.10826 tonnes
Suncor Enery Products Partenership · Montréal-Est, QC · INRP/NPRI 2229
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Energy Recovery · 0.003 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Incineration / Thermal · 0.021 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Fugitive · 0.771 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Stack / Point · 4.654 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Storage / Handling · 0.046 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie Jean-Gaulin2023
Direct Discharges · 0.885 tonnes
Valero Energy Inc. · Lévis, QC · INRP/NPRI 3928
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie de Montreal2023
Physical Treatment · 0.000339 tonnes
Suncor Energy Products Partnership · Montreal, QC · INRP/NPRI 3897
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie de Montreal2023
Fugitive · 0.652702 tonnes
Suncor Energy Products Partnership · Montreal, QC · INRP/NPRI 3897
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie de Montreal2023
Spills · 0.000318 tonnes
Suncor Energy Products Partnership · Montreal, QC · INRP/NPRI 3897
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie de Montreal2023
Stack / Point · 0.417482 tonnes
Suncor Energy Products Partnership · Montreal, QC · INRP/NPRI 3897
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Raffinerie de Montreal2023
Storage / Handling · 1.621284 tonnes
Suncor Energy Products Partnership · Montreal, QC · INRP/NPRI 3897
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Usine de Bouletage de Port-Cartier2023
Stack / Point · 41.151 tonnes
ArcelorMittal Exploitation Minière Canada s.e.n.c. · Port-Cartier, QC · INRP/NPRI 2000
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Usine de La Tuque2023
Stack / Point · 12.81 tonnes
Compagnie WestRock du Canada Corp. · La Tuque, QC · INRP/NPRI 3140
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Domtar Usine de Windsor2022
Stack / Point · 37.090956 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Domtar Usine de Windsor2022
Direct Discharges · 5.454458 tonnes
Domtar Inc. · Windsor, QC · INRP/NPRI 1195
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2022
Stack / Point · 7.431 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Fibrek SENC2022
Direct Discharges · 2.195771 tonnes
Fibrek S.E.N.C. · St-Félicien, QC · INRP/NPRI 3242
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗
Kraft Nordic, s.e.c. - Usine de pâtes kraft de Lebel-sur-Quévillon2022
Stack / Point · 18.648 tonnes
Kraft Nordic, s.e.c. · Lebel-sur-Quévillon, QC · INRP/NPRI 279
Corporate identity awaiting government-registry validation.
Official NPRI dataset ↗

Safety and technical documents

General references and manufacturer-specific SDS documents are kept separate.

0 document(s)

No verified SDS or technical sheet is linked yet. This absence is explicit and does not mean that no document exists.

End-to-end traceability

Only links supported by an identified source are published. Missing evidence remains explicitly unknown.

Partial chain

Evidence still missing

Country or region of origin
Raw-material producer
Ingredient manufacturer
Distributor
Transformation steps

Method: a company’s registration country is never used as evidence of a material’s origin.