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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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