Cas 283172-40-7,[2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ<sup>5</sup>-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine

283172-40-7

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Basic information

Product Name: [2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ⁵-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine
Synonyms: [2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ⁵-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine
CAS NO:283172-40-7
Molecular Formula:
Molecular Weight: 971.009
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: [2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ⁵-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine(CAS DataBase Reference)
NIST Chemistry Reference: [2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ⁵-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine(283172-40-7)
EPA Substance Registry System: [2-(Bis-diphenylphosphanyl-methylene)-4-diphenylphosphanyl-1,3,3-triphenyl-1,2-dihydro-3λ⁵-[1,3]azaphosphol-(5Z)-ylidene]-phenyl-amine(283172-40-7)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 283172-40-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 283172-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,3,1,7 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 283172-40:
(8*2)+(7*8)+(6*3)+(5*1)+(4*7)+(3*2)+(2*4)+(1*0)=137
137 % 10 = 7
So 283172-40-7 is a valid CAS Registry Number.

283172-40-7Upstream product

213920-86-6 (PPh₂)2C=C=NPh

283172-40-7Downstream Products

283172-40-7Relevant academic research and scientific papers

Fully reversible cyclic dimerization of diphosphanylketenimines promoted by intramolecular C-H···N hydrogen bonds

Ruiz, Javier,Marquinez, Fernando,Riera, Victor,Vivanco, Marilin,Garcia-Granda, Santiago,Diaz, M. Rosario

, p. 1821 - 1823 (2000)

Just by crystallization at room temperature the diphosphanylketenimine 1 is transformed into the unsymmetrical dimer 2 through a novel [2+3] cycloaddition reaction; a phosphanyl substituent is involved in the annelation process. This dimerization is fully reversible and appears to be promoted by intramolecular CH···N hydrogen bonds.

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