Decamethyltetrasiloxane
Structural formula
| Business number | 03U4 |
|---|---|
| Molecular formula | C10H30O3Si4 |
| Molecular weight | 310.69 |
| label |
1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane, aliphatic compounds |
Numbering system
CAS number:141-62-8
MDL number:MFCD00008263
EINECS number:205-491-7
RTECS number:None
BRN number:1776881
PubChem ID:None
Physical property data
1. Physical property data:
1.Density (g/mL,25℃ ): 0.854
2.Refractive index (nD20): 1.389
3.Flashpoint (F): 144
4.Melting point (℃): -68
5.Boiling point (ºC): 194
Toxicological data
None yet
Ecological data
3. Ecological data:
Usually for Water is not hazardous and materials should not be discharged into the surrounding environment without government permission.
Molecular structure data
5. Molecular property data: 1. Molar refractive index:88.48 2. Molar volume (m3/ mol):355.6 3. Isotonic specific volume (90.2K): 725.6 4. Surface tension (dyne/cm): 17.3 5. Polarizability（10-24cm3):35.07
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 3
4. Number of rotatable chemical bonds: 6
5. Number of tautomers: none
6. Topological molecule polar surface area 27.7
7. Number of heavy atoms: 17
8. Surface charge: 0
9. Complexity: 227
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain number of atomic stereocenters: 0
13. Determine the number of chemical bond stereocenters: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
Stable under normal temperature and pressure.
Storage method
Save in a dry and cool place.
Synthesis method
None yet
Purpose
It is used as a head sealing agent for the production of silicone rubber and silicone oil, and as a modification treatment agent for industrial powders.
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Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 3
4. Number of rotatable chemical bonds: 6
5. Number of tautomers: none
6. Topological molecule polar surface area 27.7
7. Number of heavy atoms: 17
8. Surface charge: 0
9. Complexity: 227
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain number of atomic stereocenters: 0
13. Determine the number of chemical bond stereocenters: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
Stable under normal temperature and pressure.
Storage method
Save in a dry and cool place.
Synthesis method
None yet
Purpose
It is used as a head sealing agent for the production of silicone rubber and silicone oil, and as a modification treatment agent for industrial powders.