POTASSIUM SODIUM ALLOY
- Product Name
- POTASSIUM SODIUM ALLOY
- CAS No.
- 11135-81-2
- Chemical Name
- POTASSIUM SODIUM ALLOY
- Synonyms
- NaK Silica gel (K;potassiumsodiumalloys;POTASSIUM SODIUM ALLOY;SODIUM-POTASSIUM ALLOY;Sodium potassium alloys;sodiumpotassiumalloy,nak;Potassiumsodiumalloy78:22;POTASSIUM SODIUM ALLOY, 3N5;Alloy of potassium and sodium;Potassium alloy, nonbase, K,Na
- CBNumber
- CB3113857
- Molecular Formula
- H2KNa
- Formula Weight
- 64.1
- MOL File
- 11135-81-2.mol
POTASSIUM SODIUM ALLOY Property
- Melting point:
- 6,8°C
- Boiling point:
- 813°C
- Density
- 0.87 g/mL at 25 °C
- vapor pressure
- 0 mm Hg ( 20 °C)
- form
- liquid
- Specific Gravity
- 0.855
- Sensitive
- air sensitive, moisture sensitive
- EPA Substance Registry System
- Potassium alloy, nonbase, K,Na (11135-81-2)
Safety
- Hazard Codes
- F,C
- Risk Statements
- 11-14/15-34-15
- Safety Statements
- 16-26-27-36/37/39-45-43
- RIDADR
- UN 1422 4.3/PG 1
- WGK Germany
- 1
- Autoignition Temperature
- 248-257 °F
- HazardClass
- 4.3
- PackingGroup
- I
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H260In contact with water releases flammable gases which may ignite spontaneously
H314Causes severe skin burns and eye damage
- Precautionary statements
-
P223Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P231+P232Handle under inert gas. Protect from moisture.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 244872
- Product name
- Sodium-potassium alloy
- Purity
- Potassium 78wt. %, Sodium 22wt. %
- Packaging
- 5g
- Price
- $353
- Updated
- 2024/03/01
- Product number
- 660140
- Product name
- NaK Silica gel (K2Na) Stage I
- Purity
- extent of labeling: ~35?wt. % Na-K loading
- Packaging
- 25g
- Price
- $614
- Updated
- 2023/06/20
- Product number
- 660140
- Product name
- NaK Silica gel (K2Na) Stage I
- Purity
- extent of labeling: ~35?wt. % Na-K loading
- Packaging
- 5G
- Price
- $186
- Updated
- 2022/05/15
- Product number
- 19-1910
- Product name
- Potassium sodium alloy 78:22 (99.95%)
- Packaging
- 1g
- Price
- $67
- Updated
- 2024/03/01
- Product number
- 19-1910
- Product name
- Potassium sodium alloy 78:22 (99.95%)
- Packaging
- 5g
- Price
- $112
- Updated
- 2024/03/01
POTASSIUM SODIUM ALLOY Chemical Properties,Usage,Production
Uses
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
Safety Profile
A low-melting alloy of Na and K. Its toxicity is due to either Na or K alone. Corrosive to the eyes, skin, and mucous membranes. Upon contact with moisture it reacts violently to evolve H2; much heat; and a highly caustic residue of NaOH or KOH. Oxidation forms Na2O and K2O, whch are powerful caustics. A dangerous fire and explosion hazard. Violent or explosive reaction with O2, water, moisture, steam, halogens, oxidzers, acids or acid fumes, gving off much heat, hydrogen, toxic and corrosive fumes, often spattering either red-hot particles or actually flaming particles. A severe explosion hazard, wiU react explosively under the appropriate condtions with moisture, acids, acid fumes, solid CO2, carbon disulfide, halocarbons (e.g., CH3Cl, carbon tetrachloride, chloroform, bromoform,1,1,1- trichloroethane, 1,1,2- trichlorotrifluoroethane, tetrachloroethane, CH2Cl2, CH2l2), ammonium sulfate + NH4 + No3, HgO, metal halides (e.g., silver halides, zinc chloride, iron(Ⅲ) chloride), metal oxides (e.g., silver oxide, mercury oxide), nitrogen-containing explosives (e.g., ammonium nitrate, ammonium sulfate, picric acid, nitrobenzene), oxalyl bromide, oxalyl chloride, pentachloroethane, K oxides, KO2, Si, NaHCO3, polytetrafluoroethylene. Reacts vigorously with oxidizing materials. To fight fire, use G-1 powder, dry sodum chloride, dry sodium carbonate, dry calcium carbonate, dry sand, resin-coated sodium chloride, or dry soda ash. Never use water, graphite, carbon dioxide, halocarbons, or foam. Dangerous; when heated it emits highly toxic fumes of Na2O and K2O. Used as a liquid coolant for nuclear reactor cores. See also SODIUM and POTASSIUM.
POTASSIUM SODIUM ALLOY Preparation Products And Raw materials
Raw materials
Preparation Products
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