beauty
food
industrial

Sodium ferrocyanide

CAS 1330-26-3 · 40/100 · High conf.

Also registered as 5 other CAS numbers

2225108-80-3 · 2242911-02-8 · 2457185-77-0 · 2769847-60-9 · 13601-19-9

Concern score

40/100Moderate concern based on regulatory listings.

High confidence

Sodium ferrocyanide in plain language

What it is: Also known as Hexacyanoferrate of sodium · Yellow prussiate of soda · Addition agent 55 · E 535 · FERRATE(4-), hexacyano-, tetrasodium · FERRATE(4-), hexakis(cyano-c)-, tetrasodium, (OC-6-11)-
Show all 23 names
Sodium ferrocyanide (NA4(FE(CN)6)) · Sodium hexacyanoferrate (ii) · Sodium prussiate yellow · Tetrasodium ferrocyanide · Tetrasodium hexacyanoferrate · Tetrasodium HEXACYANOFERRATE(4-) · Tetrasodium hexakis(cyanido-kappaC)ferrate(4-) · tetrasodium;iron(2+);hexacyanide · Ec 237-081-9 · Ferrate(4-), hexakis(cyano-C)-, tetrasodium · Ferrate(4-), hexakis(cyano-\KC)-, sodium (1:4), (OC-6-11)- · Ferrate(4-), hexakis(cyano-kappaC)-, sodium (1:4) · Ferrate(4-), hexakis(cyano-kappaC)-, tetrasodium, (OC-6-11)- · Ins NO.535 · INS-535 · Sodium hexacyanoferate(II) · potassium ferrocyanide (yellow prussiate of soda) na4fe(c)6
What it does: Used in cosmetics as an anticaking agent.
Anticaking
Anticaking agent
Anti-caking agent
Is it a concern?: 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 18 composition records across product categories including Specialty occupational products, Raw materials, Industrial products.

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. Sodium ferrocyanide appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
EUEFSAEFSA opinionRe-evaluation of sodium ferrocyanide (E 535), potassium ferrocyanide (E 536) and calcium ferrocyanide (E 538) as food additives (EFSA ANS)
- Re-evaluation of sodium ferrocyanide (E 535), potassium ferrocyanide (E 536) and calcium ferrocyanide (E 538) as food additives (EFSA ANS)Source →
GLOBALJECFA0-0.025 mg/kg bwJECFA evaluation lists ADI 0-0.025 mg/kg bw. Functional class: anticaking agent.
- JECFA evaluation lists ADI 0-0.025 mg/kg bw. Functional class: anticaking agent.Source →
GLOBALJECFAEvaluatedJECFA evaluation record.
- JECFA evaluation record.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 18 composition records across product categories including Specialty occupational products, Raw materials, Industrial products. EPA CPDat classifies this chemical for functional uses including Anti-caking agent.
- EPA CPDat observed this chemical in 18 composition records across product categories including Specialty occupational products, Raw materials, Industrial products. EPA CPDat classifies this chemical for functional uses including Anti-caking agent.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
- Re-evaluation of sodium ferrocyanide (E 535), potassium ferrocyanide (E 536) and calcium ferrocyanide (E 538) as food additives (EFSA ANS)
  2018 · EU EFSA listing · Read the source →
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation lists ADI 0-0.025 mg/kg bw. Functional class: anticaking agent.
  Year not recorded · GLOBAL JECFA listing · Read the source →
- JECFA evaluation record.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

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

8 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 2019-12-20
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
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

codexalimentarius.net

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 Sodium ferrocyanide in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Specialty occupational productsRaw materialsIndustrial productsLaboratory supplies

Typical roles

AnticakingAnticaking agentAnti-caking agent

See products using Sodium ferrocyanide →

Catalog

Found in these products

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

See all 7 →Find products without it →