TFM
Title: TFM
CAS Registry Number: 88-30-2
CAS Name: 4-Nitro-3-(trifluoromethyl)phenol
Additional Names: a,a,a-trifluoro-4-nitro-m-cresol; 3-trifluoromethyl-4-nitrophenol
Manufacturers' Codes: HOE-2770
Trademarks: Lamprecid (Clariant)
Molecular Formula: C7H4F3NO3
Molecular Weight: 207.11
Percent Composition: C 40.59%, H 1.95%, F 27.52%, N 6.76%, O 23.18%
Literature References: A substance toxic to the parasitic sea lamprey, Petromyzon marinus, which preys upon commercial fish species of the Great Lakes: Scherer et al., DE 1068505 C.A. 55, 9774d (1961) corresp to US 3157571 (1959, 1964, both to Hoechst). Toxicological studies in fish, and bibliography: Kawatski, McDonald, Comp. Gen. Pharmacol. 5, 67 (1974). Physical properties: Smith, J. Chem. Eng. Data 6, 607 (1961). Review: Schnick, Investigations in Fish Control, no. 44 (Sport Fisheries and Wildlife Bureau) 31 pp.
Properties: mp 76°. pK 6.07. uv max (acid): 280 nm (e 1930); in 1% NaOH: 300, 395 nm (e 4650, 13,130); in 95% ethanol: 290 nm (e 14,700).
Melting point: mp 76°
pKa: pK 6.07
Absorption maximum: uv max (acid): 280 nm (e 1930); in 1% NaOH: 300, 395 nm (e 4650, 13,130); in 95% ethanol: 290 nm (e 14,700)
Use: Lamprey killer.

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