potassium ethanolate

• ChemBase ID: 129062
• Molecular Formular: C2H5KO
• Molecular Mass: 84.1588
• Monoisotopic Mass: 83.99774646
• SMILES: CC[O-].[K+]
• Canonical SMILES: [O-]CC.[K+]
• InChI: InChI=1S/C2H5O.K/c1-2-3;/h2H2,1H3;/q-1;+1
• InChIKey: RPDAUEIUDPHABB-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium ethanolate
• IUPAC Traditional name: potassium ethoxide
• Synonyms: Potassium ethylate; Potassium ethoxide; Potassium ethoxide solution; Potassium ethoxide; 乙醇钾 溶液; 乙醇钾

Database IDs

• CAS Number: 917-58-8
• EC Number: 213-029-0
• MDL Number: MFCD00054277
• PubChem SID: 24873793; 24860126; 162223362
• PubChem CID: 23670592
• Wikipedia Title: Potassium_ethoxide

CALCULATED PROPERTIES

• Acid pKa: 16.470615
• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): -0.1617691
• LogD (pH = 7.4): -0.1617691
• Log P: -0.1617691
• Molar Refractivity: 23.5602 cm^3
• Polarizability: 4.748913 Å^3
• Polar Surface Area: 23.06 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Reacts in water; Soluble in ethanol, ether
• Apperance: Liquid; Powder; Yellow or Off-White Powder
• Melting Point: 250°C; 250°C dec.
• Flash Point: 21 °C; 69.8 °F
• Density: 0.894 g/mL; 0.894 g/mL at 25 °C
• Refractive Index: n20/D 1.39

Safety Information

• Storage Warning: Air & Moisture Sensitive
• European Hazard Symbols: Corrosive (C); Flammable (F)
• UN Number: 3206; 3274; UN3206; UN3274
• German water hazard class: 1
• Hazard Class: 3; 4.2
• Packing Group: 2; II
• Risk Statements: 10-14-34; 11-14-34; 11-34
• Safety Statements: 16-26-36/37/39-45; 26-36/37/39-45; 8-16-26-43-45
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS05
• GHS Signal Word: Danger
• Main Hazard: W
• GHS Hazard statements: H225-H251-H314; H225-H314-H318; H228-H251-H314-H318; H251-H314
• GHS Precautionary statements: P210-P235 + P410-P280-P305 + P351 + P338-P310; P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P210-P280-P303+P361+P353-P305+P351+P338-P310; P235 + P410-P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 3206 4.2/PG 2; UN 3274 3/PG 2
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Purity: 95%; 99+% (metals basis), 15% w/v in ethanol
• Concentration: 24 wt. % in ethanol
• Linear Formula: KOC2H5

DETAILS

Sigma Aldrich - 515051

Packaging
1 L in glass bottle
250 mL in glass bottle

Sigma Aldrich - 333379

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Packaging
100, 500 g in glass bottle