Pentamethyl-(4-vinyl-phenyl)-disiloxane is a complex organic compound with the chemical formula C15H24OSi2. It is a colorless liquid at room temperature and is characterized by its unique structure, which includes a disiloxane backbone (Si-O-Si), a 4-vinylphenyl group, and five methyl groups attached to the silicon atoms. pentamethyl-(4-vinyl-phenyl)-disiloxane is primarily used as a reactive diluent in the silicone industry, particularly in the production of silicone rubber and sealants. Its vinyl group allows for easy copolymerization with other silicone polymers, enhancing the overall properties of the final product. Due to its versatility and reactivity, pentamethyl-(4-vinyl-phenyl)-disiloxane plays a significant role in the silicone manufacturing process, contributing to the development of various silicone-based applications.

5931-11-3

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Basic information
1. Product Name: pentamethyl-(4-vinyl-phenyl)-disiloxane
2. Synonyms:
3. CAS NO:5931-11-3
4. Molecular Formula:
5. Molecular Weight: 250.488
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: pentamethyl-(4-vinyl-phenyl)-disiloxane(CAS DataBase Reference)
10. NIST Chemistry Reference: pentamethyl-(4-vinyl-phenyl)-disiloxane(5931-11-3)
11. EPA Substance Registry System: pentamethyl-(4-vinyl-phenyl)-disiloxane(5931-11-3)
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: 5931-11-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5931-11-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,3 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5931-11:
(6*5)+(5*9)+(4*3)+(3*1)+(2*1)+(1*1)=93
93 % 10 = 3
So 5931-11-3 is a valid CAS Registry Number.

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