Triphenylphosphoranyliden-bis-phenylseleno-methan, also known as (diphenylseleno)methyl(triphenylphosphoranylidene)methane, is a complex organophosphorus compound with the chemical formula C26H20PSe2. It is characterized by a central carbon atom bonded to a triphenylphosphoranylidene group (P=CPh3) and two diphenylseleno groups (SePh2). This molecule is of interest in organophosphorus chemistry due to its unique structure and potential applications in various chemical reactions and materials science. The compound is typically synthesized through the reaction of diphenyl diselenide with triphenylphosphine and a suitable carbonyl compound, such as a ketone or aldehyde. Its stability, reactivity, and potential uses in catalysis and as a ligand in coordination chemistry are areas of ongoing research.

22859-18-3

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Basic information
1. Product Name: Triphenylphosphoranyliden-bis-phenylseleno-methan
2. Synonyms:
3. CAS NO:22859-18-3
4. Molecular Formula:
5. Molecular Weight: 586.433
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Triphenylphosphoranyliden-bis-phenylseleno-methan(CAS DataBase Reference)
10. NIST Chemistry Reference: Triphenylphosphoranyliden-bis-phenylseleno-methan(22859-18-3)
11. EPA Substance Registry System: Triphenylphosphoranyliden-bis-phenylseleno-methan(22859-18-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 22859-18-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 22859-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,5 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22859-18:
(7*2)+(6*2)+(5*8)+(4*5)+(3*9)+(2*1)+(1*8)=123
123 % 10 = 3
So 22859-18-3 is a valid CAS Registry Number.

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