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Cosmetic preservatives

Potassium phenoxide

Also known as potassium phenate, Potassium carbolate, Potassium phenolate

CAS 100-67-4Formula C6H5KOMolar mass 132.20 g/molEC 202-877-7
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Serious health hazard, Hazardous to the environment 3 suppliers listed
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Potassium phenoxide chemical structure, C6H5KO, CAS 100-67-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
100-67-4
Formula
C6H5KO
Molar mass
132.20 g/mol
EC number
202-877-7
HS code
290711
Category
Cosmetic preservatives

What is Potassium phenoxide?

Plain description, key identifiers and synonyms

Potassium phenoxide is a chemical substance with the molecular formula C6H5KO and a molar mass of 132.20 g/mol. Its CAS registry number is 100-67-4.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium phenoxide
CAS number
100-67-4 CAS number cross-checked
EC number
202-877-7
Molecular formula
C6H5KO
UNII
9CQ00ODF3U
MDL number
MFCD00036027
INCI name
POTASSIUM PHENOXIDE
InChIKey
ZGJADVGJIVEEGF-UHFFFAOYSA-M
InChI
InChI=1S/C6H6O.K/c7-6-4-2-1-3-5-6;/h1-5,7H;/q;+1/p-1
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[O-].[K+]

Synonyms

  • potassium phenate
  • Potassium carbolate
  • Potassium phenolate
  • potassium benzenolate
  • potassium, phenoxide
  • Phenol, potassium salt
  • Potassiumphenolate
  • KOPh
  • Phenoxypotassium, Potassium Carbolate, Potassium Phenate, Potassium Phenylate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
132.20 g/molcalc.
Exact mass
131.9977 Dacalc.
LogP (octanol/water)
-2.24calc.
Topological polar surface area
23.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301 + H311 + H331Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled.
  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H331Toxic if inhaled.
  • H341Suspected of causing genetic defects.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (28)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Potassium phenoxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 2 countries

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Potassium phenoxide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name POTASSIUM PHENOXIDE(antimicrobial)

Functional uses

  • Biocide

Cosmetic functions

  • Antimicrobial

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Potassium phenoxide is traded under.

HS 2907.11Indicative HS code

Phenol (hydroxybenzene) and its salts

World exports in 2024
$1.37B
+6.8% vs 2023, imports $2.03B
2019 to 2024
Top exporters
  1. United States16.6%
  2. Thailand14.5%
  3. Saudi Arabia14.2%
Top importers
  1. Netherlands16.8%
  2. Germany14.0%
  3. China11.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Potassium phenoxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Potassium phenoxide, based on the data on this page

What is Potassium phenoxide?

Potassium phenoxide is a chemical substance with the molecular formula C6H5KO and a molar mass of 132.20 g/mol. Its CAS registry number is 100-67-4.

What is the CAS number of Potassium phenoxide?

The CAS registry number of Potassium phenoxide is 100-67-4.

What is the molecular formula and weight of Potassium phenoxide?

The molecular formula of Potassium phenoxide is C6H5KO and its molar mass is 132.20 g/mol.

What is Potassium phenoxide used for?

Use classes: Cosmetics.

Is Potassium phenoxide hazardous?

Potassium phenoxide carries the GHS signal word "Danger". Main hazards: toxic if swallowed. toxic in contact with skin. toxic if inhaled, toxic if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Potassium phenoxide?

Potassium phenoxide is usually classified under HS code 290711 (Phenol (hydroxybenzene) and its salts). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium phenoxide?

CompoundList lists 3 suppliers of Potassium phenoxide in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Potassium phenoxide in India?

1 supplier in India list Potassium phenoxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Potassium phenoxide?

Suppliers quote Potassium phenoxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Potassium phenoxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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