potassium sodium

• ChemBase ID: 135597
• Molecular Formular: KNa
• Molecular Mass: 62.08807
• Monoisotopic Mass: 61.95347596
• SMILES: [Na].[K]
• Canonical SMILES: [Na].[K]
• InChI: InChI=1S/K.Na
• InChIKey: BITYAPCSNKJESK-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium sodium
• IUPAC Traditional name: potassium sodium
• Synonyms: Sodium-potassium alloy; K2Na-SG-I; Sodium-potassium alloy on silica gel (K2Na); NaK Silica gel (K2Na) Stage I; Na2K-SG-I; Sodium-potassium alloy on silica gel (Na2K); NaK Silica gel (Na2K) Stage I; 钠钾合金; 硅胶负载钠钾合金 (K2Na); NaK 硅胶 (K2Na) 阶段 I; 硅胶负载钠钾合金 (Na2K); NaK 硅胶 (Na2K) 阶段 I

Database IDs

• CAS Number: 11135-81-2
• MDL Number: MFCD00134088
• PubChem SID: 24854714; 24854715; 162229871
• PubChem CID: 16211683

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• Log P: -0.77
• Molar Refractivity: 0.0 cm^3
• Polarizability: 2.0172503 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: liquid
• Auto Ignition Point: 248-257 °F
• Density: 0.7 g/mL at 21 °C; 0.87 g/mL at 25 °C
• Vapor Pressure: 0 mmHg ( 20 °C)

Safety Information

• European Hazard Symbols: Corrosive (C); Flammable (F)
• UN Number: 1422; 3404
• German water hazard class: 1
• Hazard Class: 4.3
• Packing Group: 1
• Risk Statements: 14/15-34
• Safety Statements: 26-36/37/39-43-45
• GHS Pictograms: GHS02; GHS05
• GHS Signal Word: Danger
• GHS Hazard statements: H260-H314
• GHS Precautionary statements: P223-P231 + P232-P280-P305 + P351 + P338-P370 + P378-P422
• 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 1422 4.3/PG 1; UN 3404 4.3/PG 1
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Compostion: Potassium, 56 wt. %; Potassium, 78 wt. %; Sodium, 22 wt. %; Sodium, 44 wt. %
• Extent of Labeling: ~35 wt. % Na-K loading

DETAILS

Sigma Aldrich - 244880

Packaging
5, 25 g in ampule

Sigma Aldrich - 660140

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Packaging
5, 25 g in glass bottle
Application
Alkali Metal Silica Gels from SiGNa
Alternative to other reagents for desulfurizations, dehalogenations(as Wurtz coupling reactions), and Birch reductions.Additionally can be used as:
• A reducing agent for aliphatic ester substrates
• A deprotectant in place of the typical heavy metal deprotectant

Sigma Aldrich - 244872

Packaging
5 g in ampule

Sigma Aldrich - 660159

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
Alternative to other reagents for desulfurizations, dehalogenations(as Wurtz coupling reactions), and Birch reductions.1Additionally can be used as:
• A reducing agent for aliphatic ester substrates2
• A deprotectant in place of the typical heavy metal deprotectant3
Alkali Metal Silica Gels from SiGNa
Packaging
5, 25 g in glass bottle