Sodium tetraphenylboron
Sodium tetraphenylboron Basic information
- Product Name:
- Sodium tetraphenylboron
- Synonyms:
-
- Borate(1-),tetraphenyl-,sodium
- kariporuk
- sodiumtetraphenylborate(1-)
- sodiumtetraphenylborate(naph4b)
- sodiumtetraphenylboride
- sodiumtetraphenylboride(1-)
- tetraphenyl-borate(1-sodium
- tetraphenyl-borate(1-sodiumsalt
- CAS:
- 143-66-8
- MF:
- C24H20BNa
- MW:
- 342.22
- EINECS:
- 205-605-5
- Product Categories:
-
- Organometallics
- Analytical Chemistry
- B (Classes of Boron Compounds)
- Classes of Metal Compounds
- Ion Association
- Tetraphenylborates
- Boron compounds
- Na (Sodium) Compounds (excluding simple sodium salts)
- Typical Metal Compounds
- organic or inorganic borate
- fine chemicals
- Mol File:
- 143-66-8.mol
Sodium tetraphenylboron Chemical Properties
- Melting point:
- 300 °C
- storage temp.
- 2-8°C
- solubility
- relatively well soluble in water. A 0.1 M aqueous solution is generally used as reagent.
- form
- Solid
- color
- White
- PH
- 8 (50g/l, H2O, 20℃)
- Water Solubility
- SOLUBLE
- Sensitive
- Light Sensitive
- Merck
- 14,8690
- BRN
- 3599783
- Stability:
- Stable. Incompatible with strong acids, strong oxidizing agents. Light sensitive.
- CAS DataBase Reference
- 143-66-8(CAS DataBase Reference)
- EPA Substance Registry System
- Borate(1-), tetraphenyl-, sodium (143-66-8)
Safety Information
- Hazard Codes
- Xn,Xi
- Risk Statements
- 22-36/37/38
- Safety Statements
- 26-36/37-36-24/25
- RIDADR
- UN 2811 6.1/PG 3
- WGK Germany
- 3
- RTECS
- ED3362500
- F
- 8
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 29310095
- Toxicity
- LD50 orally in Rabbit: 288 mg/kg
MSDS
- Language:English Provider:Tetraphenylboron sodium
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
Sodium tetraphenylboron Usage And Synthesis
Chemical Properties
white powder
Uses
Determination of potassium, ammonium, rubidium, and cesium.
Uses
Sodium Tetraphenylboroate is a salt that is commonly used in inorganic and organometallic chemistry as a precipitating agent. Sodium Tetraphenylboroate is also utilized for the preparation of N-acylam monium salts and in coordination chemistry due to their favourable solubility in nonpolar sovlents and their crystallinity.
Uses
As reagent for determination of potassium, ammonium, rubidium and cesium ions: Barnard, Buechl, Chemist-Analyst 48, 44, 49 (1959); Montequi, Serrano, An. R. Acad. Farm. 26, 107 (1960).
General Description
Sodium tetraphenylborate (Ph4BNa) undergoes rhodium-catalyzed addition reactions with N-phenylsulfonyl aldimines to afford R(Ph)CHNHSO2Ph.
Purification Methods
Dissolve the borate in dry MeOH and add dry Et2O. Collect the solid and dry it in a vacuum at 80o/2mm for 4hours. It can also be extracted (Soxhlet) using CHCl3, and it crystallises from CHCl3 as snow-white needles. It is freely soluble in H2O, Me2CO but insoluble in pet ether and Et2O. An aqueous solution has pH 5 and can be stored for days at 25 or lower, and for 5 days at 45o without deterioration. Its solubility in polar solvents increases with decrease in temperature [Wittig & Raff Justus Liebigs Ann Chem 573 204 1950]. The salt can also be recrystallised from acetone/hexane or CHCl3, or from Et2O/cyclohexane (3:2) by warming the solution to precipitate the compound. Dry it in a vacuum at 80o. It dissolves in Me2CO at 50-60o to give a clear solution. After standing at this temperature for 10minutes the mixture is filtered rapidly through a pre-heated Büchner funnel, cooled and the crystals are collected and dried in a vacuum desiccator at room temperature for 3days [Abraham et al. J Chem Soc, Faraday Trans 1 80 489 1984]. If the product gives a turbid aqueous solution, the turbidity can be removed by treating with freshly prepared alumina gel and filtering. [Beilstein 16 IV 1624.]
Sodium tetraphenylboron Preparation Products And Raw materials
Raw materials
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