Triphenyltin Hydroxide
Title: Triphenyltin Hydroxide
CAS Registry Number: 76-87-9
CAS Name: Hydroxytriphenylstannane
Additional Names: hydroxytriphenyltin; fentin hydroxide; fenolovo
Trademarks: Du-Ter (Duphar)
Molecular Formula: C18H16OSn
Molecular Weight: 367.03
Percent Composition: C 58.90%, H 4.39%, O 4.36%, Sn 32.34%
Line Formula: (C6H5)3SnOH
Literature References: Prepn by alkaline hydrolysis of (C6H5)3SnCl: Kushlefsky et al., Inorg. Chem. 2, 187 (1963); of (C6H5)3SnI: Poller, J. Inorg. Nucl. Chem. 24, 593 (1963). GC determn in vegetable crops: H. H. Van den Broek et al., Analyst 113, 1237 (1988). Review of analytical methods: A. Van Rossum et al., Anal. Methods Pestic. Plant Growth Regul. 11, 227-246 (1980). Reviews: Ingham, Chem. Rev. 60, 459-539 (1960); R. Bock, Residue Rev. 79, 1-270 (1981). Review of toxicology and human exposure: Toxicological Profile for Tin (PB2006-100006, 2005) 426 pp.
Properties: Crystals. mp 122-123.5°. Thermally dec to (C6H5)4Sn, (C6H5)2SnO and H2O. Slightly sol in alcohol, toluene. Practically insol in water.
Melting point: mp 122-123.5°
Derivative Type: Acetate
Additional Names: Triphenyltin acetate; acetoxytriphenyltin; fentin acetate
Trademarks: Brestan (Hoechst)
Molecular Formula: C20H18O2Sn
Molecular Weight: 409.07
Percent Composition: C 58.72%, H 4.44%, O 7.82%, Sn 29.02%
Literature References: Prepn from acetic acid and (C6H5)3SnOH: van der Kirk, Luijten, J. Appl. Chem. 6, 49 (1956); and (C6H5)3SnH: Weber, Becker, J. Org. Chem. 27, 1258 (1962).
Properties: Small needles, mp 122-124°. Sol in ether, slightly sol in alcohol, benzene.
Melting point: mp 122-124°
Use: Antifeeding compounds for insect pest control; non-systemic fungicide.

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