Chloromethylmethyldiisopropoxysilane, categorized as a functional organosilicon compound, is a reactive silane intermediate used primarily in the synthesis of specialty silicone fluids and resin modifiers. This chemical agent functions as a versatile molecular bridge, where its chloromethyl group enables nucleophilic substitution reactions while the diisopropoxy groups provide controlled hydrolysis for surface silanization and polymer crosslinking. In industrial sealant production and advanced textile finishing, it is utilized to improve adhesion promotion and substrate wetting on inorganic surfaces through stable siloxane bond formation. We provide this material with competitive factory pricing, supporting requirements for customized specifications to ensure optimal performance in high-precision chemical blending. All shipments are accompanied by comprehensive MSDS, TDS, COA documentation to ensure regulatory compliance and are available for bulk supply to support integrated industrial manufacturing chains.
Chloromethylmethyldiisopropoxysilane CAS 18171-11-4
- CAS: 18171-11-4
- Synonyms: Chloromethyl(diisopropoxy)methylsilane, (Chloromethyl)methyldiisopropoxysilane, Methyl(chloromethyl)diisopropoxysilane
- Einecs: 630-736-3
- Molecular Formula: C8H19ClO2Si
- Grade: Industrial grade 99%
- Package: 200kg iron drum or 50kg plastic drum packing
Product Description
- Chemical Name:Chloromethylmethyldiisopropoxysilane
- CAS No.:18171-11-4
- Molecular Formula:C8H19ClO2Si
- Molecular Weight:210.776
- Hs Code.:2931900090
- European Community (EC) Number:630-736-3
- Nikkaji Number:J364.688B
- Mol file:2212-08-0.mol
Chemical Property:
- Vapor Pressure:1.4mmHg at 25°C
- Refractive Index:1.4212
- Boiling Point:177.5 °C at 760 mmHg
- Flash Point:67.8 °C
- PSA：18.46000
- Density:0.952 g/cm3
- LogP:3.10470
- Hydrogen Bond Donor Count:0
- Hydrogen Bond Acceptor Count:2
- Rotatable Bond Count:5
- Exact Mass:210.0842841
- Heavy Atom Count:12
- Complexity:118
Safty Information:
- Statements:11-23/24-36/37/39-10
FAQ - Technical & Supply Chain
-
Q:
How is the chemical purity of Chloromethylmethyldiisopropoxysilane maintained for moisture-sensitive applications?
A: The structural integrity is confirmed via CAS 18171-11-4, and the material is typically processed under anhydrous conditions to prevent the premature hydrolysis of the isopropoxy groups, ensuring consistent reactivity in industrial formulations. -
Q:
Is this silane suitable for the modification of silica-based fillers in polymer composites?
A: Yes, this product is commonly used as a surface modifier to enhance the interfacial bonding between inorganic fillers and organic polymer matrices, intended for industrial material engineering rather than general research use.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
