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InventoryRef 4153015/10/2010

POTASSIUM PHENOXIDE

Potassium phenolate

POTASSIUM PHENOXIDE 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 100-67-4
CAS 100-67-4PubChem CID 23670670

Potassium phenoxide

IUPAC name
potassium phenoxide
Molecular formula
C6H5KO
Molecular weight
132.20 g/mol
Exact mass
131.99774626 Da
Topological polar surface area
23.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
2
Defined stereocentres
0

Also known as

potassium phenateUNII-9CQ00ODF3UEINECS 202-877-79CQ00ODF3UPOTASSIUM CARBOLATEPOTASSIUM PHENOXIDE [MI]RefChem:175576POTASSIUM PHENOXIDE [INCI]
10 more reported names
202-877-7Potassium phenolatepotassium benzenolatepotassium;phenoxidePhenol, potassium saltPotassiumphenolateKOPhAC-37335CS-0048749Phenoxypotassium; Potassium Carbolate; Potassium Phenate; Potassium Phenylate
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match23670670

Attributed physical-property, hazard, environmental and use annotations.

  • Signal: Danger Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H301+H311+H331 (100%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]; H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]; H311 (100%): Toxic in contact with skin [Danger Acute toxicity, dermal]; H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]; H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]; H331 (100%): Toxic if inhaled [Danger Acute toxicity, inhalation]; H341 (100%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]; H373 (100%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]; H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P203, P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P319, P321, P330, P361+P364, P363, P391, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBINo exact record2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 PHENOXIDE

INCI name

POTASSIUM PHENOXIDE

Description

Potassium phenolate

Record provenance

Inventory reference
41530
Imported identity
POTASSIUM PHENOXIDE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
100-67-4
EC
202-877-7
Restriction
—
Function
ANTIMICROBIAL
Preventing and/or slowing down microbial growth.

Official EU ingredient-name evidence

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

#22742 · POTASSIUM PHENOXIDE

Ingredients with overlapping formulation functions

POTASSIUM COFFEEATEANTIMICROBIAL; ANTIOXIDANT; SURFACTANT - EMULSIFYING; SURFACTANT - CLEANSING; SURFACTANT
POTASSIUM EDTA-PLATINUMANTIMICROBIAL; ANTIOXIDANT; SKIN CONDITIONING - HUMECTANT
POTASSIUM IODIDEANTIMICROBIAL
POTASSIUM O-PHENYLPHENATEANTIMICROBIAL
POTASSIUM SALICYLATEANTIMICROBIAL, PRESERVATIVE
POTASSIUM TROCLOSENEANTIMICROBIAL
POTASSIUM TUNGSTATE TITANIUM PHOSPHATEANTIMICROBIAL
POTASSIUM VANADYL TUNGSTATE ANTIMONATEANTIMICROBIAL, ANTIOXIDANT, CHELATING

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 PHENOXIDE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM PHENOXIDE 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 PHENOXIDE is also tagged with 1 cosmetic function 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 PHENOXIDE 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 PHENOXIDE carries the following function designation(s):

CAS 100-67-4 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 PHENOXIDE

This page reproduces the CosIng inventory entry for POTASSIUM PHENOXIDE 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 PHENOXIDE 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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