Title:  TFM
CAS Registry Number:  88-30-2
CAS Name:  4-Nitro-3-(trifluoromethyl)phenol
Synonyms:  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.