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79416

Sigma-Aldrich

Phosphazene base P2-t-Bu solution

~2.0 M in THF

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Synonym(s):
1-tert-Butyl-2,2,4,4,4-pentakis(dimethylamino)-2λ5,4λ5-catenadi(phosphazene)
Empirical Formula (Hill Notation):
C14H39N7P2
CAS Number:
111324-03-9
Molecular Weight:
367.45
Beilstein:
5759205
MDL number:
MFCD01863108
UNSPSC Code:
12352001
PubChem Substance ID:
57652792
NACRES:
NA.22

form

solution

Quality Level

100

concentration

~2.0 M in THF

SMILES string

CN(C)P(=NC(C)(C)C)(N=P(N(C)C)(N(C)C)N(C)C)N(C)C

InChI

1S/C14H39N7P2/c1-14(2,3)15-22(17(4)5,18(6)7)16-23(19(8)9,20(10)11)21(12)13/h1-13H3

InChI key

CJTQESMNKMUZAO-UHFFFAOYSA-N

Related Categories

Application

Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases

Other Notes

Extremely strong and hindered neutral nitrogen base; it is about 109 times more basic than DBU [pKa (DMSO) 21.45]. Stable to hydrolysis and unaffected by alkylating agents; Highly selective base; Deprotonation of phosphines

Signal Word

Danger

Hazard Statements

H225,H314,H335,H351

Hazard Classifications

Carc. 2 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH018,EUH019

WGK

WGK 3

Flash Point(F)

1.4 °F

Flash Point(C)

-17 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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F. Uhlig et al.
Phosphorus, Sulfur, and Silicon and the Related Elements, 81, 155-155 (1993)
R. Schwesinger et al
Liebigs Ann. Chem., 1055-1055 (1996)
M. Falk-Heppner et al.
Angewandte Chemie (International Edition in English), 101, 1281-1281 (1989)

Articles

Phosphazene Bases

Phosphazene base reagents are available as monomeric (P1 and BEMP), dimeric (P2), and tetrameric (P4) bases with different side chains to control their sterical hindrance.

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