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Merck
CN

79408

Phosphazene base P1-t-Bu

≥97.0% (GC)

Synonym(s):

tert-Butylimino-tris(dimethylamino)phosphorane, N′-tert-Butyl-N,N,N′,N′,N″,N″-hexamethylphosphorimidic triamide

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About This Item

Empirical Formula (Hill Notation):
C10H27N4P
CAS Number:
81675-81-2
Molecular Weight:
234.32
UNSPSC Code:
12352001
PubChem Substance ID:
57652790
NACRES:
NA.22
Beilstein/REAXYS Number:
4178783
MDL number:
MFCD00145111

Key Documents

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Product Name

Phosphazene base P1-t-Bu, ≥97.0% (GC)

SMILES string

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

InChI

1S/C10H27N4P/c1-10(2,3)11-15(12(4)5,13(6)7)14(8)9/h1-9H3
1S/C10H27N4P/c1-10(2,3)11-15(12(4)5,13(6)7)14(8)9/h1-9H3

InChI key

YRNOSHBJMBLOSL-UHFFFAOYSA-N

assay

≥97.0% (GC)

form

liquid

bp

347 °F/1013 hPa

functional group

amine

Quality Level

100

Related Categories

Application

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

Other Notes

Sterically hindered, neutral nitrogen base with similar basicity as BEMP (Cat. No. 20025); Base for dehydrating carbamate anions to isocyanates with POCl3 or P4O10.

pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

Carc. 1B - Eye Dam. 1 - Muta. 1B - Skin Corr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH5640
BCBW5899
BCBT9517
BCBM1851V
BCBH2522V

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R. Schwesinger et al
Angewandte Chemie (International Edition in English), 105, 1420-1420 (1994)
T.E. Waldman et al.
Journal of the Chemical Society. Chemical Communications, 957-957 (1994)
Lan-Fang Hu et al.
Molecules (Basel, Switzerland), 25(2) (2020-01-16)
The copolymerization of biorenewable succinic anhydride (SA) with propylene oxide (PO) is a promising way to synthesize biodegradable aliphatic polyesters. However, the catalytic systems for this reaction still deserve to be explored because the catalytic activity of the reported catalysts

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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