Properties: Very deliquesc crystals; slight characteristic odor. d461 1.629; mp 57-58°; bp 196-197°. Sol in 0.1 part water; very sol in alcohol, ether; dec by heating with caustic alkalies into chloroform and alkali carbonate. Its aq soln is very acid. pH of 0.1 molar aq soln 1.2. Keep tightly closed in a cool place. Storage of trichloroacetic acid solns in water of less than 30% strength is not recommended. Decompn products are chloroform, hydrochloric acid, carbon dioxide and carbon monoxide. LD50 orally in rats: 5000 mg/kg (Bailey, White).
Melting point: mp 57-58°
Boiling point: bp 196-197°
Density: d461 1.629
Toxicity data: LD50 orally in rats: 5000 mg/kg (Bailey, White)
Derivative Type: Ethyl ester
CAS Registry Number: 515-84-4
Additional Names: Ethyl trichloroacetate
Percent Composition: C 25.10%, H 2.63%, Cl 55.56%, O 16.71%
Properties: Clear liq; odor resembling menthol. d420 1.383. bp 168°. nD20 1.4507. Insol in water. Misc with alcohol, ether.
Boiling point: bp 168°
Index of refraction: nD20 1.4507
Density: d420 1.383
Derivative Type: Sodium salt
CAS Registry Number: 650-51-1
Additional Names: Sodium trichloroacetate
Trademarks: Konesta (Akzo); Varitox (M B)
Percent Composition: C 12.96%, Cl 57.38%, Na 12.40%, O 17.26%
Properties: Yellow deliquesc powder, mp 300°. Soly in water at 25°: 1.2 kg/l. Sol in ethanol.
Melting point: mp 300°
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, nose, throat, respiratory system; cough, dyspnea, delayed pulmonary edema; eye and skin burns; dermatitis; salivation, vomiting, diarrhea. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 314.
Use: As a decalcifier and fixative in microscopy; also as a precipitant of protein. As herbicide.
Therap-Cat: Caustic.
Therap-Cat-Vet: Caustic, vesicant.
产品链接: 76-03-9››