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Alcohols and polyols

Potassium ethoxide

Also known as Ethanol, potassium salt (1:1), Potassium ethanolate, Potassium ethylate

CAS 917-58-8Formula C2H5KOMolar mass 84.16 g/molEC 213-029-0
GHS signal word: Danger. Pictograms: Flammable, Corrosive 6 suppliers listed
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Potassium ethoxide chemical structure, C2H5KO, CAS 917-58-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
917-58-8
Formula
C2H5KO
Molar mass
84.16 g/mol
EC number
213-029-0
HS code
220710
Category
Alcohols and polyols

What is Potassium ethoxide?

Plain description, key identifiers and synonyms

Potassium ethoxide is a chemical substance with the molecular formula C2H5KO and a molar mass of 84.16 g/mol. Its CAS registry number is 917-58-8. The IUPAC name is potassium ethanolate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium ethanolate
CAS number
917-58-8 CAS number cross-checked
EC number
213-029-0
Molecular formula
C2H5KO
MDL number
MFCD00054277
InChIKey
RPDAUEIUDPHABB-UHFFFAOYSA-N
InChI
InChI=1S/C2H5O.K/c1-2-3;/h2H2,1H3;/q-1;+1
SMILES (canonical and isomeric)
CC[O-].[K+]

Synonyms

  • Ethanol, potassium salt (1:1)
  • Potassium ethanolate
  • Potassium ethylate
  • potassium, ethanolate
  • Ethanol, potassium salt
  • EtOK
  • KOEt
  • Potassium Ethanolate, Potassium Ethylate, Ethyl Alcohol, Potassium Salt, Ethanol, Potassium Salt,
  • Potassium Ethoxide (>85%)
  • Potassium ethoxide, 24 % in ethanol (DN w/ 5% toluene)

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
84.16 g/molcalc.
Exact mass
83.9977 Dacalc.
LogP (octanol/water)
-3.63calc.
Topological polar surface area
23.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive

Hazard statements

  • H251Self-heating, may catch fire.
  • H314Causes severe skin burns and eye damage.
Precautionary statements (17)
  • P235Keep cool.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P405Store locked up.
  • P407Maintain air gap between stacks or pallets.
  • P410Protect from sunlight.
  • P413Store bulk masses at temperatures not exceeding the specified limit.
  • P420Store separately.
  • 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 ethoxide suppliers

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

All 6 suppliers
6 of 6 offers

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

6 suppliers in 4 countries

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Potassium ethoxide 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 603-041-00-8[1]

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Added by a premanufacture notice

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2207.10Indicative HS code

Undenatured ethyl alcohol of an alcoholic strength by volume of 80 % vol or higher

Our trade statistics cover HS chapters 25 to 40 (minerals, chemicals, plastics and rubber). This code is in chapter 22, beverages, spirits and vinegar, which is not included yet.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Potassium ethoxide?

Potassium ethoxide is a chemical substance with the molecular formula C2H5KO and a molar mass of 84.16 g/mol. Its CAS registry number is 917-58-8. The IUPAC name is potassium ethanolate.

What is the CAS number of Potassium ethoxide?

The CAS registry number of Potassium ethoxide is 917-58-8.

What is the molecular formula and weight of Potassium ethoxide?

The molecular formula of Potassium ethoxide is C2H5KO and its molar mass is 84.16 g/mol.

Is Potassium ethoxide hazardous?

Potassium ethoxide carries the GHS signal word "Danger". Main hazards: self-heating, may catch fire, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Potassium ethoxide?

Potassium ethoxide is usually classified under HS code 220710 (Undenatured ethyl alcohol of an alcoholic strength by volume of 80 % vol or higher). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium ethoxide?

CompoundList lists 6 suppliers of Potassium ethoxide in China, India, Italy and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Potassium ethoxide in India?

1 supplier in India list Potassium ethoxide 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 ethoxide?

Suppliers quote Potassium ethoxide 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 ethoxide

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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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