2,4,6,8-tetramethylcyclotetrasiloxane(ViD4,VMC) (CAS: 2554-06-5)
Product Description
Item | Premium grade | First grade |
Appearance | Colorless clear liquid | Colorless clear liquid |
Chroma | 25 max | 30 max |
V4 assay | 90%min, 95% min, 99%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°C | 0.980-1.000g/ml | 0.970-1.000g/ml |
Refractive index 25°C | 1.425-1.430 | 1.428-1.433 |
Boiling point | 110 °C (0.097 Mpa) | 114 °C (0.097 Mpa) |
Product Categories : Organic Silicone Chemicals
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