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.
