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79416

Sigma-Aldrich

Phosphazene base P2-t-Bu solution

~2.0 M in THF

Synonym(s):

1-tert-Butyl-2,2,4,4,4-pentakis(dimethylamino)-2λ5,4λ5-catenadi(phosphazene)

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About This Item

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

functional group

amine

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

1.4 °F - closed cup

Flash Point(C)

-17 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

79416-1ML:4548173287034
79416-5ML:4548173287058
79416-25ML:4548173287041
79416-BULK:
79416-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH0150
BCCB8316
BCBP6925V
BCBM0372V
1440211V

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

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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