Potassium 2-ethylhexanoate

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| Verifiedfields = changed

| verifiedrevid = 464210859

| ImageFile = Potassium 2-ethylhexanoate Structure.svg

| IUPACName = Potassium 2-ethylhexanoate

| Section1 = {{Chembox Identifiers

| PubChem = 62486

| InChI = 1/C8H16O2.K/c1-3-5-6-7(4-2)8(9)10;/h7H,3-6H2,1-2H3,(H,9,10);/q;+1/p-1

| InChIKey = ZUFQCVZBBNZMKD-REWHXWOFAE

| SMILES = [K+].[O-]C(=O)C(CC)CCCC

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 1S/C8H16O2.K/c1-3-5-6-7(4-2)8(9)10;/h7H,3-6H2,1-2H3,(H,9,10);/q;+1/p-1

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = ZUFQCVZBBNZMKD-UHFFFAOYSA-M

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo = 3164-85-0

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = P089X9A38X

| EINECS = 221-625-7

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChemSpiderID = 56266

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| Section2 = {{Chembox Properties

| C = 8 | H = 15 | K = 1 | O = 2

| Appearance = slightly yellow glassy solid

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| Section4 = {{Chembox Hazards

| GHSPictograms = {{GHS05}}{{GHS07}}

| GHSSignalWord = Danger

| HPhrases = {{H-phrases|315|318|319}}

| PPhrases = {{P-phrases|P264|P264+P265|P280|P302+P352|P305+P351+P338|P305+P354+P338|P317|P321|P332+P317|P337+P317|P362+P364}}

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Potassium 2-ethylhexanoate, also known as potassium iso-octanoate, is a chemical used to convert the tert-butylammmonium salt of clavulanic acid into potassium clavulanate (clavulanate potassium).{{Cite web |title=Potassium 2-ethylhexanoate, 99.9% (metals basis), 75% w/w soln., Thermo Scientific Chemicals |url=https://www.thermofisher.com/order/catalog/product/039163.18 |access-date=2025-05-23 |website=www.thermofisher.com |language=en}} It is also used as a corrosion inhibitor in automotive antifreeze{{Cn|date=February 2023}} and as a catalyst for polyurethane systems.{{cite web | url = https://haz-map.com/Agents/16769 | title = Potassium 2-ethylhexanoate | website = haz-map.com}}