Lot numbers can be found on the outside label of a product:
Dimethyldiphenylsilane
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CAS No. 778-24-5
- Cat. No. CS-0158131
- Purity97% GC
- MDL No.MFCD00041326
*For research and further manufacturing use only, not for direct human use.
Structure of 778-24-5
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General Information
- CAS No. 778-24-5
- Cat. No. CS-0158131
- Purity 97% GC
- MDL No. MFCD00041326
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₄H₁₆Si
- Molecular Weight 212.36
- Synonym(s) Biphenyldimethylsilane
- SMILES C[Si](C)(C1=CC=CC=C1)C2=CC=CC=C2
Description
Dimethyldiphenylsilane features a central silicon atom bonded to two methyl groups and two phenyl rings, delivering exceptional thermal stability and moisture tolerance. This robust organosilicon compound serves as a reliable precursor in silicone polymer synthesis and functional silane coupling reactions.
Application
Dimethyldiphenylsilane serves as a stable, bench-ready silyl protecting group precursor, enabling selective protection of alcohols and amines under mild conditions. Its high functional group tolerance and ease of removal with fluoride sources facilitate efficient synthetic sequences. The molecule functions as a key building block in the construction of silicon-containing heterocycles and advanced organosilicon intermediates for pharmaceutical and materials applications.
Synthesis
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Route1
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80-10-4 - ~88%
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In-stock
778-24-5
References
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Freiser, H.; Eagle, M. V.; Speier, J. L. Journal of the American Chemical Society, 1953 , vol. 75, p. 2821 - 2824 Full Text View citing articles Show Details Gmelin Handbook: Si: MVol.C, 22, page 68 - 71
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Route2
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15279-31-9
- ~88%
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In-stock
778-24-5
References
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McBride; Beachell Journal of the American Chemical Society, 1952 , vol. 74, p. 5247 Full Text View citing articles Show Details Gmelin Handbook: Si: MVol.C, 68, page 188 - 190
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Route3
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3839-31-4
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In-stock
583-55-1 -
544-97-8
- ~99%
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In-stock
778-24-5
References
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Uchiyama, Masanobu; Kobayashi, Yuri; Furuyama, Taniyuki; Nakamura, Shinji; Kajihara, Yumiko; Miyoshi, Tomoko; Sakamoto, Takao; Kondo, Yoshinori; Morokuma, Keiji Journal of the American Chemical Society, 2008 , vol. 130, # 2 p. 472 - 480
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Safety Information
Download SDS|
GHS Pictogram :
N/A
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GHS No : N/A
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Signal Word : N/A
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : N/A
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Precautionary Statements : N/A
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Quality Control
Computational Chemistry Data
- TPSA 0
- LogP 2.5092
- H_Acceptors 0
- H_Donors 0
- Rotatable_Bonds 2
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