Product Details
Code:KM-381Product name:1,3,5,7-Tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane
CAS: 2554-06-5
Chemical name: 1,3,5,7-Tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane
Cas No. 2554-06-5
Molecular formula: C12H24O4Si4
SPECIFICATION
Item |
Premium grade |
First grade |
appearance |
colorless clear liquid |
colorless clear liquid |
chroma |
25 max |
30 max |
Tetracyclic assay(includes isomer) |
95% min |
70% min |
Tricyclic assay |
1.5% max |
5% max |
Pentacyclic assay |
5% max |
25% max |
Vinyl assay |
29.5% min |
29.0% min |
density25ºC
|
0.980-1.000g/ml |
0.970-1.000g/ml |
Refractive index 25ºC
|
1.425-1.430 |
1.428-1.433 |
Boiling point |
110 ºC (0.097 Mpa)
|
114 ºC (0.097 Mpa)
|
APPLICATION:
1. Used as raw material for the production of ethylene silicone rubber.
2. Used for ligand of the precious metal catalyst such as Pt, Rh, Ir etc.