Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
- beauty
- cleaning
- food
- industrial
Hydrogen
CAS 12184-90-6 · 40/100 · High conf.
Also registered as 2 other CAS numbers
725200-57-7 · 1333-74-0
Concern score
40/100Moderate concern based on regulatory listings.
High confidence
Hydrogen in plain language
Also known as Hydrogen gas · H2 · Molecular hydrogen · Protium · 1-Butanol, titanium(4+) salt, monohydrate, homopolymer (9CI) · Atomic hydrogen
Show all 25 names
Dihydrogen · H · H in Stainless Steel, 1g Balls of O 6.35 mm · Hydrogen atoms · Hydrogen element · Hydrogen in Steel, 1g/piece · Hydrogen molecule · Mol. hydrogen · Orthohydrogen · Parahydrogen · hidrogeno · hydrogen (% from tir) · hydrogen (1.98 - 2.02%) · hydrogen (percentage is based on volume) · hydrogen (ppm is max permitted by pid) · hydrogen mfr cas no: 7333-74-0 · hydrogen-1 · hydrogen. %:3-10 molar percent. · hydrogene
Used in cosmetics as an antioxidant.
- Antioxidant
- Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.
Why it's flagged
EPA CPDat observed this chemical in 177 composition records across product categories including Laboratory supplies, Cons. electronics, mech. appliances, and machinery, Cleaning products and household care.
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Regulation
No restrictions found. Hydrogen appears in these published regulatory listings.
- Found in consumer products
- Cleaning
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
EUEFSAEFSA opinionScientific Opinion on the safety assessment of the active substances, palladium metal and hydrogen gas, for use in active food contact materials (EFSA CEF)
- Scientific Opinion on the safety assessment of the active substances, palladium metal and hydrogen gas, for use in active food contact materials (EFSA CEF)Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 177 composition records across product categories including Laboratory supplies, Cons. electronics, mech. appliances, and machinery, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Antioxidant, Adhesion/cohesion promoter.
- EPA CPDat observed this chemical in 177 composition records across product categories including Laboratory supplies, Cons. electronics, mech. appliances, and machinery, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Antioxidant, Adhesion/cohesion promoter.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
EFSA
European Food Safety Authority
Scientific Opinion on the safety assessment of the active substances, palladium metal and hydrogen gas, for use in active food contact materials (EFSA CEF)
2014 · EU EFSA listing · Read the source →
Evidence & sources
No graded research studies for Hydrogen yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EFSA OpenFoodTox
regulatory · updated 2026-10-04
- Open →
EPA Chemical and Products Database
exposure · updated may 1, 2017
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Where it has been recorded
How often EPA CPDat has listed Hydrogen in a product composition. These are source records, not Greenveil catalog products.
Source records
177
Named organisations
6
Laboratory suppliesCons. electronics, mech. appliances, and machineryCleaning products and household careBatteriesCleaning and safetyMedical/dental
Typical roles
Antioxidant