Description

3,7-Dioxa-2,8-disilanonane, 2,2,8,8-tetramethyl- (CAS No. 17887-80-8), also known as trimethyl(3-trimethylsilyloxypropoxy)silane, is a high-purity organosilicon compound with the molecular formula C₉H₂₄O₂Si₂. This specialized chemical is widely utilized in organic synthesis, surface modification, and as a precursor for advanced materials. Its unique structure, featuring dual trimethylsilyl groups linked by a propoxy bridge, makes it an excellent silylating agent and protecting group in complex chemical transformations. Available in rigorously controlled batches, this product is ideal for researchers requiring consistent performance in sensitive applications such as pharmaceuticals, coatings, and polymer science. Each shipment is accompanied by comprehensive analytical data (GC, NMR) to ensure compliance with stringent quality standards.

Properties

• CAS Number: 17887-80-8
• Complexity: 120
• IUPAC Name: trimethyl(3-trimethylsilyloxypropoxy)silane
• InChI: InChI=1S/C9H24O2Si2/c1-12(2,3)10-8-7-9-11-13(4,5)6/h7-9H2,1-6H3
• InChI Key: DWHYMKOUICVFHL-UHFFFAOYSA-N
• Exact Mass: 220.13148307
• Molecular Formula: C9H24O2Si2
• Molecular Weight: 220.46
• SMILES: C[Si](C)(C)OCCCO[Si](C)(C)C
• Topological: 18.5
• Monoisotopic Mass: 220.13148307
• Synonyms: 17887-80-8, 1,3-Bis(trimethylsilyloxy)propane, 3,7-Dioxa-2,8-disilanonane, 2,2,8,8-tetramethyl-, DTXSID50170560, DTXCID0093051, 679-577-1, 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane, trimethyl(3-trimethylsilyloxypropoxy)silane, 1,3 Propanediol di-TMS, MFCD00161340, 1,3-Bis(trimethylsiloxy)propane, C9H24O2Si2, Propane-1,3-diol, bis-TMS, SCHEMBL5427776, SCHEMBL10914116, 1,3-Bis-(trimethylsiloxy)propane, 1,3-Propanediol, 2TMS derivative, (CH3)3SiO(CH2)3OSi(CH3)3, AKOS015839979, CS-W013135, NS-02673, 1,3-Propanediol, bis(trimethylsilyl) ether, DB-250046, B3563, D71060

Application

This compound is primarily used as a silylating agent in organic synthesis to protect hydroxyl groups or modify surface properties. It serves as a key intermediate in the production of silicone-based polymers and hybrid materials. Researchers also employ it in the development of hydrophobic coatings and as a reagent in catalytic processes requiring silicon-mediated transformations.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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