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CAS No 143-66-8 , sodium Search by region : China

  • Name: sodium
  • Synonyms: Kalignost; Sodium tetraphenylboron; Kalibor; 143-66-8; Dotite Kalibor; Sodium tetraphenylborate(1-);tetraphenylboranuide; Kariporu K;sodium;Sodium tetraphenylborate; Tetraphenylboron sodium;
  • CAS Registry Number:
  • Transport: UN 2811 6.1/PG 3
  • Melting Point: 300 ºC
  • Density: 1.15 g/cm3
  • Safety Statements: R22
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29310095
  • EINECS: 205-605-5
  • Molecular Weight: 342.216369
  • InchiKey: HFSRCEJMTLMDLI-UHFFFAOYSA-N
  • InChI: InChI=1S/C24H20B.Na/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,
    23-17-9-3-10-18-23)24-19-11-4-12-20-24;/h1-20H;/q-1;+1
  • Risk Statements: R22
  • Molecular Formula: C24H20BNa
  • Molecular Structure:CAS No:143-66-8 sodium

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143-66-8 Sodium tetraphenylborate

  • CAS NO:143-66-8 Sodium tetraphenylborate IUPAC name:Sodium tetraphenylborate Other names:Tetraphenylboron sodium CAS Registry Number:143-66-8 Chemical formula:(C6H5)4BNa Molar mass:342.216 g/mol Appearance:white solid Melting point > 300 °C (572 °F; ...
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References of sodium
Title: Sodium Tetraphenylborate
CAS Registry Number: 143-66-8
Synonyms: Tetraphenylboron sodium
Trademarks: Kalignost
Molecular Formula: C24H20BNa
Molecular Weight: 342.22
Percent Composition: C 84.23%, H 5.89%, B 3.16%, Na 6.72%
Line Formula: Na[B(C6H5)4]
Literature References: Prepn: Wittig, Raff, Ann. 573, 195 (1950); US 2853525 (1958); Heyl, GB 705719 (1954); Kozlova, Pal'm, Zh. Obshch. Khim. 31, 2922 (1961); Holtzapfel, Richter, ibid. 32, 1358 (1962).
Properties: Snow-white crystals from chloroform. Freely sol in water, acetone. Less sol in ether, chloroform. Practically insol in petr ether. Aq solns should be adjusted to a pH of about 5 and can be stored at room temp or lower. Such solns have been stored at 45° for 5 days without deterioration. The soly in polar solvents increases as the temp decreases.
Use: 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).