79421

Phosphazen-Base P₄-t-Bu -Lösung

~0.8 M in hexane

• Synonym(e): 1-tert.-Butyl-4,4,4-tris-(dimethylamino)-2,2-bis-[tris-(dimethylamino)-phosphoranylidenamino]-2Λ⁵,4Λ⁵-catenadi-(phosphazen)
• Empirische Formel (Hill-System): C₂₂H₆₃N₁₃P₄
• CAS-Nummer: 111324-04-0
• Molekulargewicht: 633.72
• Beilstein: 5784423
• MDL-Nummer: MFCD00145114
• UNSPSC-Code: 12352001
• PubChem Substanz-ID: 57652794
• NACRES: NA.22

Eigenschaften

• Form: liquid
• Konzentration: ~0.8 M in hexane
• Dichte: 0.850-0.875 g/mL at 20 °C
• 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
• InChIKey: NSRBCQCXZAYQHF-UHFFFAOYSA-N

Beschreibung

Anwendung

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

Vorsicht

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

Sonstige Hinweise

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

Sicherheitshinweise

• Piktogramme: GHS02,GHS08,GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H225,H304,H314,H336,H361f,H372,H412
• P-Sätze: P210 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3
• Zielorgane: Central nervous system, Nervous system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): -14.8 °F - closed cup
• Flammpunkt (°C): -26 °C - closed cup
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter