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79408

Sigma-Aldrich

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:
Molecular Weight:
234.32
Beilstein:
4178783
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0% (GC)

form

liquid

SMILES string

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

InChI key

YRNOSHBJMBLOSL-UHFFFAOYSA-N

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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

Articles

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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