79416

Phosphazene base P₂-t-Bu solution

~2.0 M in THF

• Synonym(s): 1-tert-Butyl-2,2,4,4,4-pentakis(dimethylamino)-2λ⁵,4λ⁵-catenadi(phosphazene)
• Empirical Formula (Hill Notation): C₁₄H₃₉N₇P₂
• CAS Number: 111324-03-9
• Molecular Weight: 367.45
• Beilstein: 5759205
• MDL number: MFCD01863108
• UNSPSC Code: 12352001
• PubChem Substance ID: 57652792
• NACRES: NA.22

Properties

• form: solution
• concentration: ~2.0 M in THF
• SMILES string: CN(C)P(=NC(C)(C)C)(N=P(N(C)C)(N(C)C)N(C)C)N(C)C
• InChI: 1S/C14H39N7P2/c1-14(2,3)15-22(17(4)5,18(6)7)16-23(19(8)9,20(10)11)21(12)13/h1-13H3
• InChI key: CJTQESMNKMUZAO-UHFFFAOYSA-N

Description

Application

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

Other Notes

Extremely strong and hindered neutral nitrogen base; it is about 10⁹ times more basic than DBU [pK_a (DMSO) 21.45]. Stable to hydrolysis and unaffected by alkylating agents; Highly selective base; Deprotonation of phosphines

Safety Information

• Pictograms: GHS02,GHS08,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H314,H335,H351
• Precautionary Statements: P201 - P210 - P233 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Carc. 2 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Supplementary Hazards: EUH018,EUH019
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 1.4 °F - closed cup
• Flash Point(C): -17 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves