Phosphazene base P₄-t-Bu solution

ALDRICH/79421 - ~0.8 M in hexane

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

CAS Number: 111324-04-0
Empirical Formula (Hill Notation): C₂₂H₆₃N₁₃P₄
Molecular Weight: 633.72
MDL Number: MFCD00145114
Linear Formula: C₂₂H₆₃N₁₃P₄
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-79421-1ML	1 mL	$138.00 1/EA	Add To Favorites
45-79421-5ML	5 mL	$441.00 1/EA	Add To Favorites
45-79421-25ML	25 mL	$1510.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

concentration	~0.8 M in hexane
density	0.850-0.875 g/mL at 20 °C
form	liquid
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
InChI key	NSRBCQCXZAYQHF-UHFFFAOYSA-N
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

Application:	Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases
Caution:	Product crystallizes out of solution, can be redissolved on heating to 40°C.
Other Notes:	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
Packaging:	1, 5 mL in glass bottle
Packaging:	25 mL in Sure/Seal™

Symbol	GHS02,GHS05,GHS07,GHS08
Signal word	Danger
Hazard statements	H225 - H304 - H314 - H336 - H361f - H373 - H412
Precautionary statements	P210 - P280 - P301 + P310 + P331 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310
Hazard Codes	F,C
Risk Statements	11-34-48/20-52/53-62-65-67
Safety Statements	9-16-26-33-36/37/39-45
RIDADR	UN 2924 8(3) / PGII
WGK Germany	WGK 3
Flash Point(F)	-14.8 °F - closed cup
Flash Point(C)	-26 °C - closed cup

Density	0.850-0.875 g/mL at 20 °C
UNSPSC	12352001

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