1,4-Bis-(dimethyl-butyl-siloxy)-benzol, also known as 1,4-bis(dimethylbutylsilyloxy)benzene, is an organosilicon compound characterized by its molecular formula C18H34O2Si2. 1,4-Bis-(dimethyl-butyl-siloxy)-benzol features a benzene ring with two dimethylbutylsiloxy groups attached at the 1,4 positions. The dimethylbutylsiloxy groups consist of a silicon atom bonded to two methyl groups, one butyl group, and an oxygen atom. This structure endows the compound with unique properties, such as enhanced solubility and reactivity, making it useful in various chemical applications, including the synthesis of silane coupling agents and as a precursor in the production of specialty polymers and materials.

4520-30-3

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Basic information
1. Product Name: 1,4-Bis-(dimethyl-butyl-siloxy)-benzol
2. Synonyms:
3. CAS NO:4520-30-3
4. Molecular Formula:
5. Molecular Weight: 338.638
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-(dimethyl-butyl-siloxy)-benzol(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Bis-(dimethyl-butyl-siloxy)-benzol(4520-30-3)
11. EPA Substance Registry System: 1,4-Bis-(dimethyl-butyl-siloxy)-benzol(4520-30-3)
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: 4520-30-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4520-30-3 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 4520-30:
(6*4)+(5*5)+(4*2)+(3*0)+(2*3)+(1*0)=63
63 % 10 = 3
So 4520-30-3 is a valid CAS Registry Number.

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