Merck
CN

86856

Sigma-Aldrich

四正丁基二氟化铵氢氟酸盐 溶液

technical, ~50% in methylene chloride (T)

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别名:
TBABF, Tetrabutylammonium difluoride, 四丁基二氟化铵
线性分子式:
(CH3CH2CH2CH2)4N(HF2)
CAS号:
分子量:
281.47
Beilstein:
4729304
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

等级

technical

形式

liquid

浓度

~50% in methylene chloride (T)

杂质

~5% tetrabutylammonium chloride

折射率

n20/D 1.442

储存温度

2-8°C

SMILES string

[F-].F[H].CCCC[N+](CCCC)(CCCC)CCCC

InChI

1S/C16H36N.2FH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;;/h5-16H2,1-4H3;2*1H/q+1;;/p-1

InChI key

ZHBDKVWQJKYIFF-UHFFFAOYSA-M

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应用

  • Used as an etchant for silica films

Reactant for:
  • Nucleophilic fluorination
  • Ring-opening fluorination reaction
  • Substitution reactions
Tetrabutylammonium hydrogen difluoride (TBABF) can be used as a reagent:
  • For the conversion of aromatic boronic acids and esters into corresponding tetrabutylammonium trifluoroborate salts. These salts are utilized as surrogates of boronic acids in Suzuki-Miyaura cross-coupling reactions.
  • In the nucleophilic fluorination of organic halides, tosylates, and triflates.
  • For the regioselective synthesis of fluorohydrins by ring-opening of terminal epoxides.

警示用语:

Danger

危险声明

危险分类

Carc. 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

靶器官

Central nervous system

储存分类代码

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Tetrabutylammonium Bifluoride
Prakash GS and Pertusati F
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2001)

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