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GREENVEIL

  • industrial
  • pharma

Ferrosoferric oxide

CAS 1317-61-9

Also registered as 26 other CAS numbers

1309-38-2 · 73905-81-4 · 107720-80-9 · 118440-50-9 · 122391-58-6 · 139660-10-9 · 144856-04-2 · 170277-36-8 · 207621-21-4 · 208666-79-9 · 219674-87-0 · 224310-08-1 · 253310-51-9 · 514204-11-6 · 940941-19-5 · 942194-22-1 · 954415-69-1 · 1402398-17-7 · 1433983-76-6 · 1481694-60-3 · 1643773-71-0 · 1988696-47-4 · 2031170-98-4 · 2367641-45-8 · 2485759-59-7 · 2920362-48-5

Ferrosoferric oxide chemical structure

Concern score

Not assessed — no hazard data yet.

Ferrosoferric oxide in plain language

What it is

Also known as Magnetitum · Iron oxide (Fe3O4) · CI 77499 · Bayoxide e 8713H · Black ferric oxide · Black iron oxide

Show all 42 names

Black magnetic oxide · Black rouge · C.I. 77499 · C.I. pigment black 11 · CI (1975) no. 77499 · CI shi · Cishi · E-172(I) · Ferric ferrous oxide · Ferric oxide black · Ferrosferric oxide · Ferroso ferric oxide · Ins NO.172(I) · INS-172(I) · Iron (ii, iii) oxide · Magnetite iron ores · Iron oxide black · Iron(ii) diiron(iii) oxide · Magnetic black · Magnetic oxide · Magnetic stone · Magnetite · Pigment black 11 · Tarox black bl 100P · Triiron tetraoxide · Bayferrox 306 · Bayferrox 316 · Bayferrox 318 · Bayferrox 320 · Bayferrox 330 · Bayferrox 8010 · Bayferrox Black 318 · Bayoxide E 8709 · black iron oxide pigment · iron oxide · iron oxide (as carrier)

What it does

Used in consumer products as a colourant.

  • Colourant
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Ferrosoferric oxide appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USFDAinactive ingredient database10 entries
    • Route: ORAL; Dosage form: CAPSULE; Maximum daily exposure: 11 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, COATED; Potency: 0.11 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, DELAYED RELEASE; Maximum daily exposure: 6 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, EXTENDED RELEASE; Potency: 1.49 mgSource →
    • Route: ORAL; Dosage form: POWDER, FOR SUSPENSION; Potency: NASource →
    • Route: ORAL; Dosage form: TABLET; Maximum daily exposure: 2 mgSource →
    • Route: ORAL; Dosage form: TABLET, COATED; Potency: NASource →
    • Route: ORAL; Dosage form: TABLET, DELAYED RELEASE; Maximum daily exposure: 6 mgSource →
    • Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Maximum daily exposure: 8 mgSource →
    • Route: ORAL; Dosage form: TABLET, FILM COATED; Potency: 0.2 mgSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 845 composition records across product categories including Raw materials, Construction and building materials, Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Pigment, Dye.
    • EPA CPDat observed this chemical in 845 composition records across product categories including Raw materials, Construction and building materials, Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Pigment, Dye.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 2 active drug products and 2 total products.
    • FDA NDC lists this ingredient in 2 active drug products and 2 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Ferrosoferric oxide yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated january 20, 2014

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Ferrosoferric oxide in a product composition. These are source records, not Greenveil catalog products.

Source records

845

Named organisations

6

Raw materialsConstruction and building materialsFurniture and furnishingsHome maintenanceIndustrial productsElectronics/small appliances

Typical roles

Colourant
See products using Ferrosoferric oxide →

Catalog

Found in these products

Their ingredient lists include Ferrosoferric oxide; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 658 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Ferrosoferric oxide in the catalog.