beauty
cleaning
food
industrial

Ferrous sulfate

CAS 10124-49-9 · 20/100 · High conf.

Also registered as 6 other CAS numbers

16547-58-3 · 8060-18-2 · 8063-79-4 · 56172-58-8 · 139939-63-2 · 7720-78-7

Concern score

20/100Minor concern based on regulatory listings.

High confidence

Ferrous sulfate in plain language

What it is: Also known as Dried ferrous sulfate · Ferrous sulfate anhydrous · Iron sulfate anhydrous · Iron(II) sulfate · Ferrous sulfate (1:1) · Ferrous sulphate (1:1)
Show all 37 names
Ferrous sulphate anhydrous · Iron sulfate (FESO4) · Iron sulphate (FESO4) · Iron(2+) sulfate · Sulfuric acid, IRON(2+) salt (1:1) · Combiron · Copperas · Duretter · Duroferon · Eisen(ii)-sulfat · Anhydrous ferrous sulfate · Ferobuff · Ferolix · Ferralyn · Ferrosulfate · Ferrous sulphate · Fersolate · Ferulen · Ferusal · Iron sulfate · Iron(ii) sulfate (1:1) · Iron(ii) sulphate (1:1) · Iron sulfate (1:1) · Iron sulphate · Irospan · Kesuka · Odophos · Sal chalybis · Sulfuric acid, iron(2+) salt · ferrous sulfate (sara iii) · Iron (as sulphate)
What it does: Used in cosmetics as an astringent.
Astringent
Nutrient supplement
Is it a concern?: Minor 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 42 composition records across product categories including Landscape/yard, Laboratory supplies, Raw materials.

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. Ferrous sulfate appears in these published regulatory listings.

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
EUEFSAConclusion on Pesticides Peer ReviewConclusion on the peer review of the pesticide risk assessment of the active substance iron sulfate (EFSA)
- Conclusion on the peer review of the pesticide risk assessment of the active substance iron sulfate (EFSA)Source →
GLOBALJECFAEvaluatedJECFA evaluation record. Functional class: nutrient supplement.
- JECFA evaluation record. Functional class: nutrient supplement.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 42 composition records across product categories including Landscape/yard, Laboratory supplies, Raw materials. EPA CPDat classifies this chemical for functional uses including Astringent.
- EPA CPDat observed this chemical in 42 composition records across product categories including Landscape/yard, Laboratory supplies, Raw materials. EPA CPDat classifies this chemical for functional uses including Astringent.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 16 active drug products and 17 total products.
- FDA NDC lists this ingredient in 16 active drug products and 17 total products.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
- Conclusion on the peer review of the pesticide risk assessment of the active substance iron sulfate (EFSA)
  2012 · EU EFSA listing · Read the source →
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation record. Functional class: nutrient supplement.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

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

9 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EFSA OpenFoodTox
regulatory · updated 2026-10-04
Open →
EPA Chemical and Products Database
exposure · updated May 18, 2021
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2027-07-11
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Reference links (1)

Openfda substance

drugoffice.gov.hk

Read →

Suitability

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

Food use

Food-use source coverage is present in the current record.

Good fit

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.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

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 Ferrous sulfate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Landscape/yardLaboratory suppliesRaw materialsPersonal careMedical/dentalCleaning products and household care

Typical roles

AstringentNutrient supplement

See products using Ferrous sulfate →

Catalog

Found in these products

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

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Ferrous sulfate in the catalog.