Description

Methyltris(methylethylketoxime)silane (CAS No. 22984-54-9) is a high-purity organosilicon compound with the molecular formula C₁₃H₂₇N₃O₃Si. This specialized chemical features a unique silane backbone functionalized with methylethylketoxime groups, making it an essential crosslinking agent in silicone rubber and sealant formulations. Its exceptional reactivity with moisture enables rapid curing at ambient temperatures, producing durable, flexible, and chemically resistant elastomers. Ideal for industrial adhesives, coatings, and encapsulation materials, this product is supplied as a clear to pale-yellow liquid with ≥95% purity (GC). Strictly handled under nitrogen to prevent premature polymerization. Packaged in amber glass bottles or sealed drums to ensure stability.

Key Features:
• Moisture-curable crosslinker for RTV silicones
• Low volatility and excellent shelf stability
• Imparts high tensile strength and thermal resistance
• Compatible with various polymer matrices
• Technical datasheet and SDS available upon request

Properties

• CAS Number: 22984-54-9
• Complexity: 326
• IUPAC Name: (E)-N-[methyl-bis[[(E)-1-methylpropylideneamino]oxy]silyl]oxybutan-2-imine
• InChI: InChI=1S/C13H27N3O3Si/c1-8-11(4)14-17-20(7,18-15-12(5)9-2)19-16-13(6)10-3/h8-10H2,1-7H3/b14-11+,15-12+,16-13+
• InChI Key: OGZPYBBKQGPQNU-DABLZPOSSA-N
• Exact Mass: 301.18216827
• Molecular Formula: C13H27N3O3Si
• Molecular Weight: 301.46
• SMILES: CC/C(=N/O[Si](O/N=C(/CC)C)(O/N=C(/CC)C)C)/C
• Topological: 64.8
• Monoisotopic Mass: 301.18216827
• Physical Description: Clear to straw-colored liquid with a mild odor;
• Synonyms: Methyltris(methylethylketoxime)silane, 2-Butanone, O,O’,O”-(methylsilylidyne)trioxime, methyltris(butanoneoxime)silane, Butan2one O,O’,O”(methylsilanetriyl)oxime, Butan2one O,O’,O”(methylsilylidyne)trioxime, 2Butanone, O,O’,O”(methylsilylidyne)trioxime, 2Butanone, 2,2′,2”(O,O’,O”(methylsilylidyne)trioxime), 22984-54-9, 158917-50-1, Methyltri(2-butanoneoximyl)silane, methyltris(methylethylketoximo)silane, MFCD00053889, Methyltris(methylethylketoximino)silane, SCHEMBL625283, CHEMBL3183566, Butan-2-one O-(3,6,9-trimethyl-5,7-dioxa-4,8-diaza-6-silaundeca-3,8-dien-6-yl) oxime, OGZPYBBKQGPQNU-DABLZPOSSA-N, Methyltri(ethylmethylketoximo)silane, Methyltris(2-butylideneaminooxy)silane, AKOS008901254, Methyltris(methyl ethyl ketoximino)silane, NCGC00248636-01, Methyl tris ( methyl ethyl ketoxime) silane, NS00048867, butan-2-one O,O’,O”-(methylsilanetriyl)oxime, O,O’,O”-(Methylsilylidyne)tris(ethyl methyl ketoxime), (E)-N-[bis[[(E)-butan-2-ylideneamino]oxy]-methylsilyl]oxybutan-2-imine, (2E,2’E)-Butan-2-one O-((3E)-3,6,9-trimethyl-5,7-dioxa-4,8-diaza-6-silaundeca-3,8-dien-6-yl) oxime, (2E,2’E)-Butan-2-oneO-((3E)-3,6,9-trimethyl-5,7-dioxa-4,8-diaza-6-silaundeca-3,8-dien-6-yl)oxime

Methyltris(methylethylketoxime)silane is primarily employed as a crosslinking agent in room-temperature vulcanizing (RTV) silicone rubbers, where it reacts with silanol-terminated polymers to form robust elastomeric networks. Its applications extend to industrial sealants for construction and automotive sectors due to its rapid moisture-induced curing characteristics. The compound also serves as a surface modifier in specialty coatings to enhance adhesion to substrates like metals and plastics. Researchers utilize it in polymer chemistry studies investigating silicon-nitrogen bond formation mechanisms.

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