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2,6-di-tert-butyl-4-methylphenoxydichlorophosphine is a complex organic compound with the chemical formula C13H22Cl2O2P. It is a colorless to pale yellow liquid, often used as a flame retardant and a stabilizing agent in various industrial applications. 2,6-di-tert-butyl-4-methylphenoxydichlorophosphine is characterized by its two tert-butyl groups attached to the 2nd and 6th carbon atoms of the phenyl ring, a methyl group on the 4th carbon, and a dichlorophosphine group attached to the oxygen atom in the para position. Due to its chemical structure, it exhibits excellent thermal stability and resistance to hydrolysis, making it suitable for use in plastics, rubber, and other materials that require flame retardancy and resistance to degradation. However, it is important to handle 2,6-di-tert-butyl-4-methylphenoxydichlorophosphine with care due to its potential toxicity and environmental impact.

789-54-8

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789-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 789-54-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 789-54:
(5*7)+(4*8)+(3*9)+(2*5)+(1*4)=108
108 % 10 = 8
So 789-54-8 is a valid CAS Registry Number.

789-54-8Relevant academic research and scientific papers

Monooxychlorophosphine as a novel and efficient ligand for palladium-catalyzed Suzuki-Miyaura cross-coupling of aryl chlorides

Mai, Wenpeng,Lv, Guanghua,Gao, Lianxun

, p. 2247 - 2251 (2007)

A new sterically hindered monooxychlorophosphine was synthesized and the complex generated in situ from its reaction with Pd2(dba)3 promoted the Suzuki-Miyaura reactions of arylboronic acids with aryl chlorides in good yields. Georg Thieme Verlag Stuttgart.

A copper- and amine-free Sonogashira reaction employing chlorophosphine as new and efficient ligand

Mai, Wen Peng,Yuan, Jin Wei,Li, Zhi Cheng,Sun, Gang Chun

scheme or table, p. 185 - 188 (2012/06/18)

An efficient palladium-catalyzed copper- and amine-free Sonogashira coupling reaction of aryl bromides and chlorides was studied using a sterically hindered monooxychlorophosphine as new ligand. The use of 2 mol% Pd(OAc) 2 in the presence of K2CO3 allows the coupling reaction to proceed at mild condition with good to excellent yields.

NMR and X-ray crystallographic studies of unsymmetrical 25,26;27,28-dibridged para-tert-butyl calix[4]arene bisphosphites with a large "through-space" P-P coupling

Maji, Pathik,Krishnamurthy, Setharampattu S.,Nethaji, Munirathinam

supporting information; experimental part, p. 1478 - 1486 (2010/09/17)

Three 25,26-bridged para-tert-butyl-calix[4]arene phosphites, 1-3, have been synthesized by linking two proximal phenolic oxygen atoms of para-tert-butyl-calix[4]arene to a P(OR) [R = 2,6-But 2-4-Me-C6H2 (1), 2,

Reactions of ( THF) W( CO) 5 with some diphosphenes carrying bulky aryl and phenoxy groups

An, De-Lie,Toyota, Kozo,Yasunami, Masafumi,Yoshifuji, Masaaki

, p. 7 - 12 (2007/10/03)

The reaction of (THF)W(CO)5 (THF = tetrahydrofuran) with asymmetrical diphosphenes carrying bulky aryl and phenoxy groups gave end-on-type complexes on either phosphorus atom. One of the complexes was analyzed by X-ray crystallography indicatin

Synthese und Reaktivitaet von Phenylethinyl-substituierten Phosphenium-Ion-Komplexen (R)(R')P=MoCp'(CO)2; Darstellung von Clusterverbindungen, die einen 1-Cobalta-2-Phospha-Heteroallyl Synthesebaustein enthalten

Lang, Heinrich,Leise, Michael,Zsolnai, Laszlo

, p. 349 - 363 (2007/10/02)

The synthesis of the phenylethinyl-chlorophosphines (R)(Cl)P(CC-Ph) (R = 2,6-tBu2-4-MeC6H2O: IVa; R = 2,4,6-tBu3C6H2O: IVb) is described.IV reacts with Cp'(CO)3Mo-, VII, (Cp' = η5-C5H5, ν5-C5Me5) t

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