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InventoryRef 3696415/10/2010

POTASSIUM CYANATE

Potassium cyanate

POTASSIUM CYANATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 590-28-3
CAS 590-28-3PubChem CID 11378442

Potassium cyanate

Potassium cyanate is a cyanate salt and a one-carbon compound. It has a role as a herbicide. — ChEBI

IUPAC name
potassium cyanate
Molecular formula
CKNO
Molecular weight
81.115 g/mol
Exact mass
80.96169511 Da
Topological polar surface area
46.9 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
2
Defined stereocentres
0

Also known as

Aero cyanateCyanic acid, potassium saltAlicyanateKaliumcyanatKOCNBulpurPotassium isocyanateWeedanol cyanol
16 more reported names
Potassium cyanate (KCNO)Aero cyanate weedkillerMiller P.C. weedkillerDed-weed crabgrass killerWeedone Crab Grass KillerPotassium cyanate (KOCN)Dupont PC crabgrass killerBonide krab crabgrass killerGreen cross crabgrass killerP.C. 80 crabgrass killerD & P Double O Crabgrass KillerG9C31TWN5MCyanic acid, potassium salt (1:1)CHEBI:38904NSC-146178KCNO
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for POTASSIUM CYANATE

INCI name

POTASSIUM CYANATE

Description

Potassium cyanate

Record provenance

Inventory reference
36964
Imported identity
POTASSIUM CYANATE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
590-28-3
EC
209-676-3
Restriction
—
Function
HAIR CONDITIONING
Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
SKIN CONDITIONING
Maintaining the skin in good condition.
SKIN CONDITIONING - EMOLLIENT
Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#22621 · POTASSIUM CYANATE

Ingredients with overlapping formulation functions

POTASSIUM CHOLESTERYL SULFATESKIN CONDITIONING - EMOLLIENT
POTASSIUM COCOYL BARLEY AMINO ACIDSEMULSION STABILISING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING
POTASSIUM COCOYL RICE AMINO ACIDSSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOST…
POTASSIUM COCOYL/OLIVOYL HYDROLYZED RICE PROTEINANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACT…
POTASSIUM GLYCERYL TRICETEARATE/CITRATEBINDING, BULKING, EMULSION STABILISING, PRESERVATIVE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLI…
POTASSIUM ISODECYL/ISOSTEAROYL HYDROLYZED RICE PROTEINBINDING, EMULSION STABILISING, HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN PR…
POTASSIUM LAUROYL/OLIVOYL (ALANINE/ARGININE/ASPARAGINE/ASPARTIC ACID/GLUTAMIC A…CLEANSING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING
POTASSIUM STEAROYL HYDROLYZED RICE PROTEINANTIOXIDANT, BINDING, EMULSION STABILISING, HUMECTANT, SKIN CONDITIONING - EMOLLIENT

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How POTASSIUM CYANATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM CYANATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

POTASSIUM CYANATE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

POTASSIUM CYANATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, POTASSIUM CYANATE carries the following function designation(s):

CAS 590-28-3 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.
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Source note for POTASSIUM CYANATE

This page reproduces the CosIng inventory entry for POTASSIUM CYANATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research POTASSIUM CYANATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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