Product Description
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
STRUCTURAL FORMULA
SPECIFICATION
|
Item
|
Premium grade
|
First grade
|
|
appearance
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colorless clear liquid
|
colorless clear liquid
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|
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
|
|
density25℃
|
0.980-1.000g/ml
|
0.970-1.000g/ml
|
|
Refractive index 25℃
|
1.425-1.430
|
1.428-1.433
|
|
Boiling point
|
110 ℃ (0.097 Mpa)
|
114 ℃ (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.