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<h3>Overview</h3><p>Triphenylchlorosilane is a critical organosilicon reagent used primarily for silylation in pharmaceutical synthesis and materials science. Produced via direct chlorination of triphenylsilane or Grignard reaction, its molecular formula is C<sub>18</sub>H<sub>15</sub>ClSi with CAS <strong>1027-37-6</strong>.</p><h3>Application</h3><ul><li>Pharmaceuticals: Protecting hydroxyl groups during API synthesis.</li><li>Materials: Precursor for high-purity silicone resins and coatings.</li><li>Electronics: Surface treatment agent for semiconductor substrates.</li></ul><h3>Precautions</h3><p>Strictly store under inert atmosphere to prevent moisture degradation. Requires PPE due to corrosive nature; avoid inhalation of vapors and ensure ventilation compliance per OSHA standards.</p>