2,2,4,6,6,8-Hexaphenylcyclotetrasiloxane is a cyclic organosilicon compound with the molecular formula (C6H5SiO)4. It consists of a four-membered ring structure with alternating silicon and oxygen atoms, and each silicon atom is bonded to two phenyl groups (C6H5). 2,2,4,6,6,8-hexaphenylcyclotetrasiloxane is known for its thermal stability, chemical inertness, and unique electronic properties. It is often used in the synthesis of various silicone-based materials, such as polymers, resins, and elastomers, due to its ability to form stable siloxane bonds. Additionally, its rigid structure and aromatic character make it a valuable component in the development of advanced materials with specific optical, electronic, and mechanical properties.

62857-85-6

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Basic information
1. Product Name: 2,2,4,6,6,8-hexaphenylcyclotetrasiloxane
2. Synonyms:
3. CAS NO:62857-85-6
4. Molecular Formula:
5. Molecular Weight: 640.99
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: 2,2,4,6,6,8-hexaphenylcyclotetrasiloxane(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,2,4,6,6,8-hexaphenylcyclotetrasiloxane(62857-85-6)
11. EPA Substance Registry System: 2,2,4,6,6,8-hexaphenylcyclotetrasiloxane(62857-85-6)
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: 62857-85-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 62857-85-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,5 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 62857-85:
(7*6)+(6*2)+(5*8)+(4*5)+(3*7)+(2*8)+(1*5)=156
156 % 10 = 6
So 62857-85-6 is a valid CAS Registry Number.

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