Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl, also known as hexaethyl-3,3-dimethyltrisiloxane, is a cyclic siloxane compound with the chemical formula C12H32O3Si3. It consists of three silicon atoms connected in a ring, with each silicon atom bonded to two oxygen atoms and one methyl group. Additionally, each silicon atom has one ethyl group attached to it, making a total of six ethyl groups in the molecule. Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl- is primarily used as a fluid in various industrial applications, such as lubricants, heat transfer fluids, and as a component in silicone-based products. Due to its unique properties, such as low surface tension, high thermal stability, and chemical inertness, hexaethyl-3,3-dimethyltrisiloxane is a valuable chemical in the field of materials science and engineering.

17866-16-9

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Basic information
1. Product Name: Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl-
2. Synonyms:
3. CAS NO:17866-16-9
4. Molecular Formula: C14H36O2Si3
5. Molecular Weight: 320.695
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: Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl-(17866-16-9)
11. EPA Substance Registry System: Trisiloxane, 1,1,1,5,5,5-hexaethyl-3,3-dimethyl-(17866-16-9)
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: 17866-16-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 17866-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,6 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 17866-16:
(7*1)+(6*7)+(5*8)+(4*6)+(3*6)+(2*1)+(1*6)=139
139 % 10 = 9
So 17866-16-9 is a valid CAS Registry Number.

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