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Code:KM-381
Product 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
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.
Product 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.