What is the NOAEL for Iron?
Iron has 19 NOAEL studies in the database. The lowest reported value is 0.8 mg/kg bw/day in Consumers. Source: EFSA_OpenFoodTox_OpenFoodToxTX22809_2023.xlsx.
Also known as: Iron (Fe), EINECS 231-096-4, Ferrous iron, Copy Powder CS 105-175, Diseases (animal), iron overload (+15 more)
CAS 7439-89-6
Iron (CAS 7439-89-6) is a chemical substance. Key regulatory status: REACH registered, 29 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, OSHA.
Iron is classified GHS Danger (H228, H251, H319, H335) in the chemicals database but is allowed in EU cosmetics.
CAS, identifiers, formula, and alternate names for the matched substance record.
Occupational exposure limits from OSHA, NIOSH, and ACGIH rows.
| Agency | Metric | Value | ppm | mg/m3 | Skin |
|---|---|---|---|---|---|
| OSHA | TWA | 1 mg/m³ (Construction and Maritime Industries ONLY) | - | 1 | N |
| NIOSH | TWA | 1 mg/m³ | - | 1 | N |
| ACGIH | TWA | 1 mg/m³ [1990] | - | 1 | N |
| CAL/OSHA | TWA | 1 mg/m³ | - | 1 | N |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| active_ingredient; Pesticides | MN Department of Agriculture Pesticide Sales Database | CPCat |
| Europe; supplements | EU | CPCat |
| Europe; pharmaceutical | European Medicines Agency | PROTECT ADR database |
| detected; Europe; Personal care - make-up and related - eye liner | Danish Environmental Protection Agency | Danish EPA |
| Arts and crafts/Office supplies - body paint; detected; Europe | Danish Environmental Protection Agency | Danish EPA |
| detected; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| Arts and crafts/Office supplies - general arts and crafts supplies - arts and crafts paint; detected; Europe | Danish Environmental Protection Agency | Danish EPA |
| Construction and building materials; detected | the Vrije Universiteit Amsterdam, the Ecology Center, & the University of Notre Dame | Healthy Stuff |
| Construction and building materials; detected | the Vrije Universiteit Amsterdam, the Ecology Center, & the University of Notre Dame | Healthy Stuff |
| - | Journal of Chemical Engineering & Process Technology | Published Articles |
| - | Environmental Research | Published Articles |
| detected; drinking_water; MN Chemical Screening | EPA & USGS | State of Minnesota |
| detected; drinking_water; MN Chemical Screening | EPA & USGS | State of Minnesota |
| detected; drinking_water; MN Chemical Screening | EPA & USGS | State of Minnesota |
| detected; drinking_water; MN Chemical Screening | EPA & USGS | State of Minnesota |
| detected; drinking_water; MN Chemical Screening | USGS | State of Minnesota |
| Canada; pharmaceutical | DrugBank | DrugBank |
| fracking; water | NY Department of Conservation | CPCat |
| inert_ingredient; Pesticides | EPA | CPCat |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =0.8 | mg/kg bw/day | ADI | - | Consumers | EFSA_OpenFoodTox_OpenFoodToxTX22809_2023.xlsx |
| =3 | mg/m3 | DNEL local | inhalation | Human | ToxValDB_GESTIS_DNEL |
| E1UOL152H7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| E1UOL152H7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| E1UOL152H7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| E1UOL152H7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 66 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 130 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 149 | mg/kg bw/day | NOAEL | oral | mouse | COSMOS_DB |
| 173 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 500 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 624 | mg/kg bw/day | NOAEL | oral | mouse | COSMOS_DB |
| 1000 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 1297 | mg/kg bw/day | NOAEL | oral | mouse | COSMOS_DB |
| 1500 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 2500 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 3000 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 4500 | mg/kg bw/day | NOAEL | oral | mouse | COSMOS_DB |
| =0.7 | mg/kg bw/day | RfD | oral | Human | ToxValDB_RSL |
Showing 19 of 19 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Iron | 231-096-4 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
Same-CAS food additive, ADI, and GRAS records where available.
1 food-safety record found.
View full food safety profile →Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Iron has 19 NOAEL studies in the database. The lowest reported value is 0.8 mg/kg bw/day in Consumers. Source: EFSA_OpenFoodTox_OpenFoodToxTX22809_2023.xlsx.
Iron appears on 14 regulatory/inventory lists including active_ingredient; Pesticides, Europe; supplements, Europe; pharmaceutical, and 11 more. Source: EPA CPDat.
Occupational exposure limits for Iron are set by OSHA, NIOSH, ACGIH. 4 limit values from official agencies are documented in the database. Source: OSHA, NIOSH, ACGIH.
Yes, Iron is also indexed as a cosmetic ingredient under the name Iron Powder. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, OSHA/NIOSH/ACGIH, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Iron is classified GHS Danger (H228, H251, H319, H335) in the chemicals database but is allowed in EU cosmetics.
Iron also appears in cosmetics, pharmaceutical, food safety, cannabis databases.