Phosphazene base P4-t-Bu solution - ~0.8 M in hexane , CAS No.111324-04-0

CAS: 111324-04-0 Cat. No.: P334666 Formula: C₂₂H₆₃N₁₃P₄ Molecular Weight: 633.72 EC Number: 629-524-3 PubChem CID: 4339838

GRADE & PURITY ~0.8 M in hexane

Synonyms

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

Storage

Room temperature,Desiccated

Shipped In

Normal

Overview

Phosphazene base P4-t-Bu solution is an extremely strong, hindered, neutral nitrogen base; approximately 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.

Specifications

Synonyms

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

Specifications & Purity

~0.8 M in hexane

Storage

Room temperature,Desiccated

Shipped In

Normal

Names and Identifiers

• Isomeric SMILES: CC(C)(C)N=P(N=P(N(C)C)(N(C)C)N(C)C)(N=P(N(C)C)(N(C)C)N(C)C)N=P(N(C)C)(N(C)C)N(C)C
• WGK Germany: 3
• PubChem CID: 4339838
• UN Number: 2924
• Packing Group: II
• Molecular Weight: 633.72

Chemical and Physical Properties

• Sensitivity: Moisture sensitive
• Flash Point(°F): -14.8 °F
• Flash Point(°C): -26 °C
• Boil Point(°C): 68° C

References

1. Naifan Dong, Jintang Duan, Cailiang Zhang, Xueping Gu, Lianfang Feng, Liu Liu.  (2025)  Cyclo-linear synthesis of amino silicone oil and study on the catalytic polymerization mechanism of phosphazene base.  POLYMER,      [PMID:] [10.1016/j.polymer.2025.128163]