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79432

Sigma-Aldrich

Phosphazene base P1-t-Bu-tris(tetramethylene)

≥97.0% (NT)

Synonym(s):

tert-Butylimino-tri(pyrrolidino)phosphorane, BTPP, BTTP

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About This Item

Empirical Formula (Hill Notation):
C16H33N4P
CAS Number:
161118-67-8
Molecular Weight:
312.43
Beilstein:
9100965
MDL number:
MFCD00214188
UNSPSC Code:
12352005
PubChem Substance ID:
57652796
NACRES:
NA.22

Quality Level

100

Assay

≥97.0% (NT)

form

liquid

refractive index

n20/D 1.509

bp

119-122 °C/0.1 mmHg (lit.)

mp

−24 °C (lit.)

density

1.022 g/mL at 20 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(C)(C)N=P(N1CCCC1)(N2CCCC2)N3CCCC3

InChI

1S/C16H33N4P/c1-16(2,3)17-21(18-10-4-5-11-18,19-12-6-7-13-19)20-14-8-9-15-20/h4-15H2,1-3H3

InChI key

PVNUIRUAPVSSOK-UHFFFAOYSA-N

Application

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

Other Notes

This phosphazene base is 1.4 pK units more basic than the hexamethyl analogue (Cat. No. 79408); Compare also with the analogue BEMP (Cat. No. 20025)

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

P280 - P305 + P351 + P338 - P310

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF6651
BCCF9024
BCCF9022
BCCC6405
BCCB8459

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Chemische Berichte, 127, 2435-2435 (1994)
R. Schwesinger et al
Angewandte Chemie (International Edition in English), 105, 1420-1420 (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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