Tris-(diphenylphosphino)-arsin, also known as TDPA, is a phosphorus-arsenic ligand used in organometallic chemistry. It is a tridentate ligand, meaning it can form three bonds with a metal center, and is characterized by its three diphenylphosphino groups attached to an arsenic atom. TDPA is known for its strong σ-donating and π-accepting properties, which make it a versatile ligand in the formation of stable metal complexes. These complexes are important in various applications, including catalysis, where they can facilitate chemical reactions with high selectivity and efficiency. The ligand's ability to modulate the electronic properties of metal centers makes it a valuable tool in the design of new catalysts and materials.

18005-89-5

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Basic information
1. Product Name: Tris-(diphenylphosphino)-arsin
2. Synonyms:
3. CAS NO:18005-89-5
4. Molecular Formula:
5. Molecular Weight: 630.477
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: Tris-(diphenylphosphino)-arsin(CAS DataBase Reference)
10. NIST Chemistry Reference: Tris-(diphenylphosphino)-arsin(18005-89-5)
11. EPA Substance Registry System: Tris-(diphenylphosphino)-arsin(18005-89-5)
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: 18005-89-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 18005-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18005-89:
(7*1)+(6*8)+(5*0)+(4*0)+(3*5)+(2*8)+(1*9)=95
95 % 10 = 5
So 18005-89-5 is a valid CAS Registry Number.

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