Trinickel tetrasulfide
Trinickel tetrasulfide is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Chemical identity and properties

Nickel sulfide (NiS)
- IUPAC name
- sulfanylidenenickel
- Molecular formula
- NiS
- Molecular weight
- 90.76 g/mol
- Exact mass
- 89.907413 Da
- Topological polar surface area
- 32.1 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 1
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
8 more reported names
External database identifiers
- EPA DTXSID:DTXSID801316876
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: CBI; Large Crystals; Other Solid; Dry Powder Source: EPA Chemical Data Reporting (CDR)
- Signal: Danger Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- GHS Hazard Statements: H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H350i: May cause cancer by inhalation [Danger Carcinogenicity]; H372 **: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]; H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- Precautionary Statement Codes: P203, P260, P261, P264, P270, P272, P273, P280, P302+P352, P318, P319, P321, P333+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- GHS Hazard Statements: H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]; H350i: May cause cancer by inhalation [Danger Carcinogenicity]; H372 **: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]; H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- Signal: Danger Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H331 (37%): Toxic if inhaled [Danger Acute toxicity, inhalation]; H332 (44.2%): Harmful if inhaled [Warning Acute toxicity, inhalation]; H334 (12.3%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]; H341 (99.3%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]; H350 (44.9%): May cause cancer [Danger Carcinogenicity]; H350i (55.1%): May cause cancer by inhalation [Danger Carcinogenicity]; H372 (98.6%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]; H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P203, P233, P260, P261, P264, P270, P271, P272, P273, P280, P284, P302+P352, P304+P340, P316, P317, P318, P319, P321, P333+P317, P342+P316, P362+P364, P391, P403, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 292 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: NITE-CMC
- GHS Hazard Statements: H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity] Source: NITE-CMC
- Precautionary Statement Codes: P203, P280, P318, P405, and P501 (click each P-code to see the statement) Source: NITE-CMC
- Signal: Danger Source: NITE-CMC
- Industry Uses: Other; Catalyst; Processing aids, specific to petroleum production; Intermediate Source: EPA Chemical Data Reporting (CDR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Chemical name
Trinickel tetrasulfide
Chemical / IUPAC name
Trinickel tetrasulfide
Regulatory information
CMR
| Category | Carcinogenic | Mutagenic | Reprotoxic |
|---|---|---|---|
| Cat. 1A | ✓ | — | — |
Key data
Related records for Trinickel tetrasulfide
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
Nickel oxalate [1]; Oxalic acid, nickel salt [2]
Cobalt nickel gray periclase; C.I. Pigment Black 25; C.I. 77332 [1]; Cobalt nickel dioxide [2]; Cob…
Trinickel bis(arsenate); nickel(II) arsenate
Nickel tin trioxide; nickel stannate
Dinickel hexacyanoferrate
Nickel triuranium decaoxide
Nickel(II) silicate [1]; Dinickel orthosilicate [2]; Nickel silicate (3:4) [3]; Silicic acid, nicke…
What Annex II means for Trinickel tetrasulfide
Trinickel tetrasulfide is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.
Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.
The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Verify this substance is absent from all raw materials and finished formulations.
- Request absence confirmation or CoA from raw material suppliers.
- Document the screening result in the Product Information File (PIF).
- This substance has CMR classification. Review the CMR table above and verify current Annex II/III status before use.
Frequently asked questions
Source note for Annex II record Trinickel tetrasulfide
This page summarizes one Annex II record for Trinickel tetrasulfide from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex II conditions for Trinickel tetrasulfide, but confirm any final regulatory decision against the current official annex wording and source files.
Tools & next steps
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