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ChemicalBook >> CAS DataBase List >> Potassium methoxide

Potassium methoxide

Potassium methoxide price.
  • $12.5 - $369.6
  • Product name: Potassium methoxide
  • CAS: 865-33-8
  • MF: CH3KO
  • MW: 70.13
  • EINECS:212-736-1
  • MDL Number:MFCD00012416
  • Synonyms:Potassium methoxide, technical, 90%;Potassium methoxide (25% w/w solution in methanol)24-26% (CH3OK);Potassium methylate for synthesis;Potassium methoxide,pure,0.1 N solution in Toluene/Methanol;potassium methanolate,potassium methoxide;Potassium methoxide, 90+%;PotassiuM Methoxide, pure, 0.1N solution in toluene/Methanol, AcroSeal;POTASSIUM METHOXIDE, 3.4M in Methanol (24-26%)
12 prices
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Brand
  • Alfa Aesar
  • Chem-Impex
  • Sigma-Aldrich
  • Usbiological
Package
  • 5g
  • 25ml
  • 50g
  • 100G
  • 250ML
  • 250g
  • 1L
  • 1KG
  • 5KG
  • ManufacturerAlfa Aesar
  • Product number014261
  • Product descriptionPotassium methoxide, 90+%
  • Packaging50g
  • Price$39.7
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product number042551
  • Product descriptionPotassium methoxide, 5% w/v in methanol
  • Packaging25ml
  • Price$43.7
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product number014261
  • Product descriptionPotassium methoxide, 90+%
  • Packaging250g
  • Price$126
  • Updated2023-06-20
  • Buy
  • ManufacturerChem-Impex
  • Product number27324
  • Product descriptionPotassium methoxide (25% w/w solution in methanol) 24-26% (CH3OK)
  • Packaging100G
  • Price$12.5
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27324
  • Product descriptionPotassiummethoxide(25%w/wsolutioninmethanol),24-26%(CH3OK) 24-26%(CH3OK)
  • Packaging250G
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27324
  • Product descriptionPotassium methoxide (25% w/w solution in methanol) 24-26% (CH3OK)
  • Packaging1KG
  • Price$70
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27324
  • Product descriptionPotassiummethoxide(25%w/wsolutioninmethanol),24-26%(CH3OK) 24-26%(CH3OK)
  • Packaging5KG
  • Price$369.6
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number292788
  • Product descriptionPotassium methoxide 95%
  • Packaging5g
  • Price$58.7
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number292788
  • Product descriptionPotassium methoxide 95%
  • Packaging250g
  • Price$146
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number60402
  • Product descriptionPotassium methoxide solution ~25% in methanol (T)
  • Packaging250ML
  • Price$174
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number60402
  • Product descriptionPotassium methoxide solution ~25% in methanol (T)
  • Packaging1L
  • Price$282.6
  • Updated2024-03-01
  • Buy
  • ManufacturerUsbiological
  • Product number288256
  • Product descriptionPotassium Methoxide
  • Packaging100g
  • Price$319
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar 014261 Potassium methoxide, 90+% 50g $39.7 2024-03-01 Buy
Alfa Aesar 042551 Potassium methoxide, 5% w/v in methanol 25ml $43.7 2021-12-16 Buy
Alfa Aesar 014261 Potassium methoxide, 90+% 250g $126 2023-06-20 Buy
Chem-Impex 27324 Potassium methoxide (25% w/w solution in methanol) 24-26% (CH3OK) 100G $12.5 2021-12-16 Buy
Chem-Impex 27324 Potassiummethoxide(25%w/wsolutioninmethanol),24-26%(CH3OK) 24-26%(CH3OK) 250G $28 2021-12-16 Buy
Chem-Impex 27324 Potassium methoxide (25% w/w solution in methanol) 24-26% (CH3OK) 1KG $70 2021-12-16 Buy
Chem-Impex 27324 Potassiummethoxide(25%w/wsolutioninmethanol),24-26%(CH3OK) 24-26%(CH3OK) 5KG $369.6 2021-12-16 Buy
Sigma-Aldrich 292788 Potassium methoxide 95% 5g $58.7 2024-03-01 Buy
Sigma-Aldrich 292788 Potassium methoxide 95% 250g $146 2024-03-01 Buy
Sigma-Aldrich 60402 Potassium methoxide solution ~25% in methanol (T) 250ML $174 2024-03-01 Buy
Sigma-Aldrich 60402 Potassium methoxide solution ~25% in methanol (T) 1L $282.6 2024-03-01 Buy
Usbiological 288256 Potassium Methoxide 100g $319 2021-12-16 Buy

Properties

Melting point :-20°C
Boiling point :84°C
Density :0.95 g/mL at 20 °C
vapor pressure :0Pa at 25℃
refractive index :n20/D 1.37
Flash point :7°C
storage temp. :Store below +30°C.
solubility :Soluble in methanol and ethanol.
form :Liquid
pka :15.17[at 20 ℃]
Specific Gravity :0.95
color :Clear colorless
PH :12.8 (7g/l, H2O, 20℃)
Water Solubility :may decompose
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
BRN :3551544
Exposure limits :ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3) Stability :Stable. Reacts violently with water. Moisture sensitive. Absorbs carbon dioxide from the air. Incompatible with acids, strong oxidizing agents, acid chlorides, acid anhydrides, alkali metals.
CAS DataBase Reference :865-33-8(CAS DataBase Reference)
EPA Substance Registry System :Methanol, potassium salt (865-33-8)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger GHS hazard pictograms P260, P264, P270, P307+P311, P321,P405, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

Description

Potassium methoxide is used as a chemical intermediate. It is also used in biodiesel production and in fuel additives. It acts as a catalyst for the preparation of methyl formate and an alkaline catalyst for dimethyl formamide. Further, it is used as versatile reagents in chemical reactions such as condensation, esterification, alkoxylation and etherification, Claisen condensation, Wolf-Kishner reduction and Stobbe reaction.

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