Difluor-p-tolyl-phosphit, also known as difluorophenylphosphine, is an organophosphorus compound with the chemical formula C6H5PF2. It is a colorless liquid that is soluble in organic solvents and has a pungent odor. Difluor-p-tolyl-phosphit is derived from p-tolyl (a methyl-substituted benzene) and contains two fluorine atoms attached to the phosphorus atom. Difluor-p-tolyl-phosphit is primarily used as a ligand in transition metal complexes, particularly in the synthesis of catalysts for various chemical reactions, such as olefin polymerization and cross-coupling reactions. Due to its unique electronic properties, it can influence the reactivity and selectivity of the metal centers in these complexes.

1646-22-6

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Basic information
1. Product Name: Difluor-p-tolyl-phosphit
2. Synonyms:
3. CAS NO:1646-22-6
4. Molecular Formula:
5. Molecular Weight: 176.103
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: Difluor-p-tolyl-phosphit(CAS DataBase Reference)
10. NIST Chemistry Reference: Difluor-p-tolyl-phosphit(1646-22-6)
11. EPA Substance Registry System: Difluor-p-tolyl-phosphit(1646-22-6)
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: 1646-22-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1646-22-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,4 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1646-22:
(6*1)+(5*6)+(4*4)+(3*6)+(2*2)+(1*2)=76
76 % 10 = 6
So 1646-22-6 is a valid CAS Registry Number.

1646-22-6Upstream product

21719-85-7 p-cresyl phosphorodichloridite

1646-22-6Downstream Products

1644-05-9 Fluor-phenyl-p-tolylphosphit

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