ChemicalBook >> CAS DataBase List >>2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane structure

CAS No.: 331465-71-5

Chemical Name:: 2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane

Synonyms: 2,8,9-TRIISOBUTYL-2,5,8,9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE;TRIISOBUTYLPHOSPHATRANE;2,8,9-Tris(2-methylpropyl)-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane;Triisobutylazaphosphatrane;2,8,9-TRIISOBUTYL-2,5,8,9-TETRA AZA-1-P&;Tri-i-butyl-tetraaza-1-phosphabicyclo-undecane;2,8 9-TRI-I-BUTYL-2,5,8 9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE;2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane 97%;2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane,97%;2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane,97%

CBNumber:: CB7151853

Molecular Formula:: C18H39N4P

Molecular Weight:: 342.5

MDL Number:: MFCD03840347

MOL File:: 331465-71-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 02:53:04

Request For Quotation

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Properties

Boiling point	397.4±41.0 °C(Predicted)
Density	0.964 g/mL at 25 °C(lit.)
refractive index	n20/D 1.5020(lit.)
Flash point	155 °F
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
pka	8.90±0.20(Predicted)
form	Liquid
color	Clear colorless to yellow
Sensitive	air sensitive, moisture sensitive
InChI	1S/C18H39N4P/c1-16(2)13-20-10-7-19-8-11-21(14-17(3)4)23(20)22(12-9-19)15-18(5)6/h16-18H,7-15H2,1-6H3
InChIKey	WFHPXSHLCFHEIA-UHFFFAOYSA-N
SMILES	CC(C)CN1CCN2CCN(CC(C)C)P1N(CC2)CC(C)C
FDA UNII	X79X7GNS8K
UNSPSC Code	12352005
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS02,GHS07
Signal word	Danger
Hazard statements	H225-H302-H319-H336
Precautionary statements	P210-P261-P305+P351+P338
PPE	Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Hazard Codes	F,Xn
Risk Statements	36/37/38-67-66-22-19-11
Safety Statements	26-36/37/39-16
RIDADR	UN1155 - class 3 - PG 1 - Diethyl ether
WGK Germany	3
HS Code	29310099
Storage Class	10 - Combustible liquids

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane price More Price(34)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	565881	2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane 97%	331465-71-5	1g	$140	2026-04-30	Buy
Sigma-Aldrich	565881	2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane 97%	331465-71-5	5g	$430	2026-04-30	Buy
Strem Chemicals	15-6020	2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane, 97% 97%	331465-71-5	250mg	$52	2026-04-30	Buy
Strem Chemicals	15-6020	2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane, 97% 97%	331465-71-5	1g	$119	2026-04-30	Buy
Strem Chemicals	15-6020	2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane, 97% 97%	331465-71-5	5g	$473	2026-04-30	Buy

Product number	Packaging	Price	Buy
565881	1g	$140	Buy
565881	5g	$430	Buy
15-6020	250mg	$52	Buy
15-6020	1g	$119	Buy
15-6020	5g	$473	Buy

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Chemical Properties, Uses, Production

Uses

Exceedingly strong, non-ionic Brønsted and Lewis base useful in a variety of organic transformations.

Chemical Properties

Clear colorless to yellow liquid

Uses

Triisobutylazaphosphatrane is reported to be used as a catalyst for the preparation of biaryl and alkenylarenes via Stille cross-coupling reaction. It also acts a catalyst for the synthesis of α-aryl-substituted nitriles.

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Preparation Products And Raw materials

Raw materials

Preparation Products

4-Pyridin-2-ylisoxazol-5-amine

2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Suppliers

Global Suppliers ( 53)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
INTATRADE GmbH	+49 3493/605464	sales@intatrade.de	Germany	3563	66
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11777	60
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
LinkChem Technology Co., Ltd.	021-58950110 13124863828	sales@linkchem.cn	China	2994	58
Aikon International Limited	025-66113011 19370895928	qzhang@aikonchem.com	China	15390	58
Tianjin heowns Biochemical Technology Co., Ltd.	400-6387771-6039 18920764717	sales@heowns.com	China	24650	60
Shanghai Anyinuo Biomedical Technology Co., Ltd.	021-34625901	420970979@qq.com	China	5982	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
INTATRADE GmbH	66
Energy Chemical	61
Beijing Ouhe Technology Co., Ltd	60
Thermo Fisher Scientific	75
Sigma-Aldrich	80
LinkChem Technology Co., Ltd.	58
Aikon International Limited	58
Tianjin heowns Biochemical Technology Co., Ltd.	60
Shanghai Anyinuo Biomedical Technology Co., Ltd.	58

331465-71-5 (2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane) Related Search:

2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Tris(2-(methylamino)ethyl)amine 97 2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane TRIS(2-AMINOETHYL)AMINE 2,8,9-Tri-I-propyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane

2 8 9-Trimethyl-2 5 8 9-tetraaza-1-phos&

1of2

2,8 9-TRI-I-BUTYL-2,5,8 9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE 2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane,97% Triisobutylazaphosphatrane 2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane 97% 2,8,9-Triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane solution 4,6,11-tris(2-methylpropyl)-1,4,6,11-tetraza-5-phosphabicyclo[3.3.3]undecane 2,8,9-TRIISOBUTYL-2,5,8,9-TETRA AZA-1-P& Tri-i-butyl-tetraaza-1-phosphabicyclo-undecane 2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane,97% 2,5,8,9-Tetraaza-1-phosphabicyclo[3.3.3]undecane, 2,8,9-tris(2-methylpropyl)- 2,8,9-TRIISOBUTYL-2,5,8,9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE 2,8,9-Tris(2-methylpropyl)-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane TRIISOBUTYLPHOSPHATRANE 331465-71-5 C18H39N4P Synthetic Reagents Organic Bases organophosphine ligand