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Annex II Entry 255 15/10/2010

Alkali pentacyanonitrosylferrate (2-)

Alkali pentacyanonitrosylferrate (2-) is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.

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Prohibited substance— Annex II, EU Regulation 1223/2009
Entry: 255

Chemical identity and properties

PubChem 2D chemical structure for CAS 14402-89-2
CAS 14402-89-2PubChem CID 6604165

Sodium Nitroprusside

Sodium nitroprusside is a chemical compound of sodium and cyanide. It is used as a vasodilator. (L105) — Toxin and Toxin Target Database (T3DB)

IUPAC name
disodium;azanylidyneoxidanium;iron(2+);pentacyanide
Molecular formula
C5FeN6Na2O
Molecular weight
261.92 g/mol
Exact mass
261.927833 Da
Topological polar surface area
144.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
11
Covalent units
9
Defined stereocentres
0

Also known as

Nitroprusside sodiumSodium nitroprusside anhydrousXN654NKH9WNitroprussidnatriumSodium nitroprussateNitroprusside, SodiumNIPRIDE RTURefChem:56032
16 more reported names
Disodium Salt NitroprussideNitroprusside, Disodium SaltSodium Nitroprusside InjectionSodium nitrosylpentacyanoferrateDisodium nitrosylpentacyanoferrateSodium nitrosylpentacyanoferrate (III)NIPRIDE RTU IN SODIUM CHLORIDE 0.9%sodium nitroprusside in 0.9% sodium chloridelambda4-iron(4+) ion disodium pentakis(iminomethanide) oxoazanideFerrate(2-), pentakis(cyano-kappaC)nitrosyl-, disodium, (OC-6-22)-FERRATE(2-), PENTAKIS(CYANO-kappaC)NITROSYL-, DISODIUM, DIHYDRATE, (OC-6-22)-238-373-9CHEBI:29321Disodium pentacyanidonitrosylferrateDisodium pentacyanonitrosylferrateDisodium pentacyanonitrosylferrate(2-) dihydrate
Open full PubChem recordPubChem annotations3D structure image

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Chemical name

Alkali pentacyanonitrosylferrate (2-)

Regulatory information

Regulation

(EC) 2009/1223

See every entry this act set

Key data

CAS
14402-89-2 / 13755-38-9
EC
238-373-9 / -
Annex
II
Entry number
255

Direct matches are limited for this record, so nearby entries from Annex II are shown as well.

Annex II 249
Nearby record in the same annex

Nitrobenzene

CAS: 98-95-3
EC: 202-716-0
Annex II 261
Nearby record in the same annex

Oleandrin

CAS: 465-16-7
EC: 207-361-5

What Annex II means for Alkali pentacyanonitrosylferrate (2-)

Alkali pentacyanonitrosylferrate (2-) is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.

Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.

The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Verify this substance is absent from all raw materials and finished formulations.
  • Request absence confirmation or CoA from raw material suppliers.
  • Document the screening result in the Product Information File (PIF).

Frequently asked questions

Yes. Alkali pentacyanonitrosylferrate (2-) is listed in Annex II of EU Cosmetics Regulation 1223/2009 and is prohibited as an intentionally added cosmetic ingredient. Article 17 provides a narrow exception for unintended small quantities that are technically unavoidable under good manufacturing practice, provided the product remains safe under Article 3.

CAS 14402-89-2 / 13755-38-9 is the unique numerical identifier assigned to Alkali pentacyanonitrosylferrate (2-) by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.
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Source note for Annex II record Alkali pentacyanonitrosylferrate (2-)

This page summarizes one Annex II record for Alkali pentacyanonitrosylferrate (2-) from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex II conditions for Alkali pentacyanonitrosylferrate (2-), but confirm any final regulatory decision against the current official annex wording and source files.

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