1,4-Bis-(methyl-diphenyl-siloxy)-benzol, also known as 1,4-bis(methyldiphenylsiloxy)benzene, is an organosilicon compound characterized by its molecular formula C22H22O2Si2. 1,4-Bis-(methyl-diphenyl-siloxy)-benzol features a benzene ring with two methyldiphenylsiloxy groups attached at the 1,4-positions. The methyldiphenylsiloxy groups consist of a methyl group, a phenyl group, and a siloxy group (Si-O), which are connected to the benzene ring through oxygen atoms. This structure endows the compound with unique properties, such as thermal stability and resistance to oxidation, making it potentially useful in various applications, including as a precursor in the synthesis of other organosilicon compounds or as a component in specialty materials.

4520-31-4

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Basic information
1. Product Name: 1,4-Bis-(methyl-diphenyl-siloxy)-benzol
2. Synonyms:
3. CAS NO:4520-31-4
4. Molecular Formula:
5. Molecular Weight: 502.76
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: 1,4-Bis-(methyl-diphenyl-siloxy)-benzol(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Bis-(methyl-diphenyl-siloxy)-benzol(4520-31-4)
11. EPA Substance Registry System: 1,4-Bis-(methyl-diphenyl-siloxy)-benzol(4520-31-4)
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: 4520-31-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4520-31-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4520-31:
(6*4)+(5*5)+(4*2)+(3*0)+(2*3)+(1*1)=64
64 % 10 = 4
So 4520-31-4 is a valid CAS Registry Number.

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