Description

Dimethoxydimethylsilane (CAS No. 1112-39-6) is a highly versatile organosilicon compound with the molecular formula C₄H₁₂O₂Si. This clear, colorless liquid is widely used in industrial and research applications due to its reactivity as a silane coupling agent. Its IUPAC name, dimethoxy(dimethyl)silane, reflects its molecular structure, featuring two methoxy and two methyl groups bonded to a central silicon atom. With a purity grade suitable for laboratory and manufacturing processes, this product is ideal for surface modification, polymer synthesis, and as a precursor in sol-gel chemistry. Packaged under inert gas to ensure stability, it is available in various quantities to meet both small-scale research and bulk production needs.

Properties

• CAS Number: 1112-39-6
• Complexity: 47.7
• IUPAC Name: dimethoxy(dimethyl)silane
• InChI: InChI=1S/C4H12O2Si/c1-5-7(3,4)6-2/h1-4H3
• InChI Key: JJQZDUKDJDQPMQ-UHFFFAOYSA-N
• Exact Mass: 120.060656156
• Molecular Formula: C4H12O2Si
• Molecular Weight: 120.22
• SMILES: CO[Si](C)(C)OC
• Topological: 18.5
• Monoisotopic Mass: 120.060656156
• Physical Description: Liquid
• Synonyms: Dimethoxydimethylsilane, 1112-39-6, Dimethyldimethoxysilane, Silane, dimethoxydimethyl-, KBM 22, TSL 8112, A3QDB1RS1C, TSL 8117, EINECS 214-189-4, NSC 93882, DMDMOS, DTXSID0042379, AY 43-004, NSC-93882, KBM-22, DTXCID8022379, EC 214-189-4, TSL-8112, TSL-8117, LS-520, Z-6329, Silane, dimethoxydimethyl, 214-189-4, dimethoxy(dimethyl)silane, 32032-92-1, UNII-A3QDB1RS1C, MFCD00025691, dimethoxy-dimethylsilane, Dimethyl dimethoxysilane, dimethyl dimethoxy silane, SCHEMBL54546, Dimethoxydimethylsilane, 95%, SCHEMBL767437, CHEMBL3181963, SCHEMBL15193997, JJQZDUKDJDQPMQ-UHFFFAOYSA-, NSC93882, Tox21_301035, CD5605, AKOS008901252, FS-3860, NCGC00248263-01, NCGC00254937-01, CAS-1112-39-6, DB-040959, CS-0203907, D1052, NS00045052, F87447, S07200, Dimethoxydimethylsilane, purum, >=96.0% (GC), Q27273582, Dimethoxydimethylsilane, >=99.5%, 99.999% metals basis, InChI=1/C4H12O2Si/c1-5-7(3,4)6-2/h1-4H3

Application

Dimethoxydimethylsilane is commonly employed as a crosslinking agent in silicone polymer synthesis, enhancing thermal and mechanical properties. It serves as a key intermediate in the production of moisture-curable resins and coatings, providing excellent adhesion to substrates. Researchers also utilize it for surface functionalization of silica nanoparticles and other inorganic materials. Its reactivity with hydroxyl groups makes it valuable in sol-gel processes for creating hybrid organic-inorganic materials.

Safety and Hazards

GHS Hazard Statements

• H225 (96.4%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H319 (16.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H361 (31.4%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
• H361f (13.6%): Suspected of damaging fertility [Warning Reproductive toxicity]

Precautionary Statements

• P203, P210, P233, P240, P241, P242, P243, P264+P265, P280, P303+P361+P353, P305+P351+P338, P318, P337+P317, P370+P378, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (96.4%)
• Eye Irrit. 2 (16.4%)
• Repr. 2 (31.4%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.