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79421

Phosphazene base P4-t-Bu solution

~0.8 M in hexane

Synonym(s):

1-tert-Butyl-4,4,4-tris(dimethylamino)-2,2-bis[tris(dimethylamino)-phosphoranylidenamino]-2λ5,4λ5-catenadi(phosphazene)

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About This Item

Empirical Formula (Hill Notation):
C22H63N13P4
CAS Number:
111324-04-0
Molecular Weight:
633.72
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
57652794
MDL number:
MFCD00145114
Beilstein/REAXYS Number:
5784423
Concentration:
~0.8 M in hexane
Form:
liquid
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form

liquid

Quality Segment

100

concentration

~0.8 M in hexane

density

0.850-0.875 g/mL at 20 °C

functional group

amine

SMILES string

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

InChI

1S/C22H63N13P4/c1-22(2,3)23-36(24-37(27(4)5,28(6)7)29(8)9,25-38(30(10)11,31(12)13)32(14)15)26-39(33(16)17,34(18)19)35(20)21/h1-21H3

InChI key

NSRBCQCXZAYQHF-UHFFFAOYSA-N

Application

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

Other Notes

Extremely strong, hindered, neutral nitrogen base; it is about 1018 times more basic than DBU [pKa (DMSO) 30.25]. Stable to hydrolysis and unaffected by alkylating agents; Base for enolate formation and stereoselective alkylation.

Disclaimer

Product crystallizes out of solution, can be redissolved on heating to 40°C.

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3

target_organs

Central nervous system, Nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-14.8 °F - closed cup

flash_point_c

-26 °C - closed cup

ppe

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

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