Tris(ethynyl)-phosphine oxide, also known as 1,1,1-triethynyl-phosphine oxide, is a phosphorus-containing organic compound with the chemical formula C6H3O2P. It is a colorless, crystalline solid that is soluble in organic solvents. tris(ethynyl)-phosphine oxide is characterized by its three ethynyl (acetylene) groups attached to a central phosphorus atom, which is also bonded to an oxygen atom. Tris(ethynyl)-phosphine oxide is an important building block in the synthesis of various phosphorus-containing organic compounds, particularly in the field of organophosphorus chemistry. It is used as a precursor in the preparation of complex molecules, such as phosphazenes and other phosphorus-containing polymers, and has potential applications in materials science, pharmaceuticals, and agrochemicals.

33734-02-0

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Basic information
1. Product Name: tris(ethynyl)-phosphine oxide
2. Synonyms: tris(ethynyl)-phosphine oxide
3. CAS NO:33734-02-0
4. Molecular Formula:
5. Molecular Weight: 122.063
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(ethynyl)-phosphine oxide(CAS DataBase Reference)
10. NIST Chemistry Reference: tris(ethynyl)-phosphine oxide(33734-02-0)
11. EPA Substance Registry System: tris(ethynyl)-phosphine oxide(33734-02-0)
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: 33734-02-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 33734-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,3 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33734-02:
(7*3)+(6*3)+(5*7)+(4*3)+(3*4)+(2*0)+(1*2)=100
100 % 10 = 0
So 33734-02-0 is a valid CAS Registry Number.

33734-02-0Upstream product

33734-02-0Downstream Products

1352286-98-6 tris(1-cyclohexyl-1H-1,2,3-triazol-4-yl)phosphine oxide

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