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In the field of specialty silicone chemicals, the quality of functional silane synthesis often depends on the purity and reactivity of intermediates. IOTA 5040 Monochloromethyl Chlorosilane is a highly reactive chloromethylated chlorosilane monomer. It is a core intermediate for the preparation of functional silanes containing vinyl, epoxy, amino, methacryloyl, and other groups, and is particularly suitable for esterification with alcohols to produce raw materials for RTV silicone rubber coupling agents.
IOTA 5040, chemically named monochloromethyl chlorosilane (molecular formula CH₂Cl₄Si, CAS 1558-25-4), is a colorless, transparent fuming liquid that reacts vigorously with water, releasing hydrogen chloride. As a key precursor for the synthesis of multifunctional silanes, it provides a highly reactive chloromethyl group for the preparation of downstream coupling agents, crosslinkers, and functional silanes.
| Feature | Description |
|---|---|
| High reactivity | Both chloromethyl (-CH₂Cl) and silicon-chlorine (Si-Cl) bonds can participate in nucleophilic substitution or esterification reactions |
| Key intermediate positioning | Important precursor for the preparation of vinyl, epoxy, amino, and methacryloyl functional silanes |
| Esterification with alcohols | Reacts with methanol, ethanol, and other alcohols to directly produce corresponding functional alkoxysilanes |
| RTV silicone rubber coupling agent raw material | Provides a functional group introduction pathway for coupling agents used in room-temperature-vulcanized silicone rubber |
| High purity assurance | Strict control of moisture and impurities ensures downstream synthesis yield and batch-to-batch stability |
| Parameter | Value |
|---|---|
| Molecular Formula | CH₂Cl₄Si |
| Molecular Weight | 183.92 |
| CAS No. | 1558-25-4 |
| Appearance | Colorless transparent fuming liquid (vigorous reaction with water, releases HCl) |
| Boiling Point | 116.5°C |
| Density (ρ20°C) g/cm³ | 1.4776 |
IOTA 5040 → Esterification with alcohol (ROH) → Functional alkoxysilane → Used in RTV silicone rubber coupling agents, surface treatments, crosslinkers, etc.
| Item | Information |
|---|---|
| Packaging Options | 10L, 20L, 200L plastic drums (other sizes available on request) |
| Storage Precautions | Store sealed in a cool, dry place away from moisture; ensure good ventilation during handling |
IOTA 5040 – A highly active chloromethyl chlorosilane intermediate, building the first quality line of defense for functional silane synthesis.
