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143-66-8

143-66-8 Structure

143-66-8 Structure
IdentificationMore
[Name]

Sodium tetraphenylboron
[CAS]

143-66-8
[Synonyms]

KALIBOR
KALIGNOST
NATPB
SODIUM TETRAPHENYLBORANE
SODIUM TETRAPHENYLBORATE
SODIUM TETRAPHENYLBORON
TETRAPHENYLBORATE SODIUM SALT
TETRAPHENYLBORON SODIUM
TETRAPHENYLBORON SODIUM SALT
Borate(1-),tetraphenyl-,sodium
kariporuk
sodiumtetraphenylborate(1-)
sodiumtetraphenylborate(naph4b)
sodiumtetraphenylboride
sodiumtetraphenylboride(1-)
tetraphenyl-borate(1-sodium
tetraphenyl-borate(1-sodiumsalt
tetraphenylsodiumborate
Sodium tetrphenylborate
KALIGNOST R. G.
[EINECS(EC#)]

205-605-5
[Molecular Formula]

C24H20BNa
[MDL Number]

MFCD00011494
[Molecular Weight]

342.22
[MOL File]

143-66-8.mol
Chemical PropertiesBack Directory
[Appearance]

white powder
[Melting point ]

300 °C
[mp ]

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
[Stability:]

Stable. Incompatible with strong acids, strong oxidizing agents. Light sensitive.
[PH]

8 (50g/l, H2O, 20℃)
[Water Solubility ]

SOLUBLE
[Sensitive ]

Light Sensitive
[Merck ]

14,8690
[BRN ]

3599783
[CAS DataBase Reference]

143-66-8(CAS DataBase Reference)
[EPA Substance Registry System]

143-66-8(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
S36:Wear suitable protective clothing .
[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
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Government regulation-->Sodium chloride-->1-Butanol-->Iodine-->Bromobenzene-->Trimethyl borate-->Orthoboric acid
【Preparation Products】

4-Methyldiphenylamine-->2-Phenylthiophenol-->2-Biphenylcarboxylic acid-->4-BROMODIPHENYLMETHANE-->4-CYANOBENZOPHENONE-->3-PHENYL-CYCLOHEXANONE-->TETRA-N-BUTYLAMMONIUM TETRAPHENYLBORATE
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Tetraphenylboron sodium(143-66-8).msds
Hazard InformationBack Directory
[Chemical Properties]

white powder
[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).
[Uses]

Determination of potassium, ammonium, rubidium, and cesium.
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Sodium tetraphenylboron(143-66-8) 1H NMR
Sodium tetraphenylboron(143-66-8) IR1
Sodium tetraphenylboron(143-66-8) 13C NMR
Sodium tetraphenylboron(143-66-8) IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Tetraphenylboron sodium, 99.5%(143-66-8)
[Alfa Aesar]

Sodium tetraphenylborate, ACS, 99.5% min(143-66-8)
[Sigma Aldrich]

143-66-8(sigmaaldrich)
[TCI AMERICA]

Sodium Tetraphenylborate  [Precipitation reagent for K],>99.5%(W)(143-66-8)
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