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76-03-9 - Trichloroacetic acid, 99% - TCA - A11156 - Alfa Aesar

A11156 Trichloroacetic acid, 99%

Codice CAS
76-03-9
Sinonimi
TCA

Dimensioni Prezzo ($) Quantità Disponibilità
250g 30,69
500g 51,91
1000g 89,82
5000g 366,68
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Trichloroacetic acid, 99%

MDL
MFCD00004177
EINECS
200-927-2

Proprietà chimiche

Formula
Cl3CCO2H
Peso formula
163.39
Punto di fusione
54-58°
Punto di ebollizione
196°
Densità
1.629
Sensibilità
Hygroscopic
Solubilità
Soluble in water, alcohol, ethyl ether, benzene, acetone, o-xylene and carbon tetrachloride.

Applicazioni

Protein precipitation reagent Trichloroacetic acid is used as a precipitating agent in biochemistry for precipitation of proteins, DNA and RNA. It is an active ingredient used for cosmetic treatments like chemical peels, tattoo removal and the treatment of warts including genital warts. It is also used to determine protein concentration and a decalcifier and fixative in microscopy.

Note

Moisture sensitive. Hygroscopic. Store in cool place. Incompatible with strong oxidizing agents, strong bases and amines.

Letteratura

Trihaloacetic acids react with aldehydes in DMSO at room temperature to give trihalomethyl carbinols: J. Chem. Soc., Perkin 2, 1247 (1984):

The acid and its Na salt (1:1) in DMF are also effective: Tetrahedron Lett., 33, 3435 (1992). Use of HMPA or DMI extends the scope to less reactive aldehydes: Synthesis, 327 (1990).

Malachová, A.; Štočková, L.; Wakker, A.; Varga, E.; Krska, R.; Michlmayr, H.; Adam, G.; Berthiller, F. Critical evaluation of indirect methods for the determination of deoxynivalenol and its conjugated forms in cereals. Anal. Bioanal. Chem. 2015, 407 (20), 6009-6020.

Young, M. S.; van Tran, K.; Goh, E.; Shia, J. C. A Rapid SPE-Based Analytical Method for UPLC/MS/MS Determination of Aminoglycoside Antibiotic Residues in Bovine Milk, Muscle, and Kidney. J. AOAC Int. 2014, 97 (6), 1737-1741.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H314-H400-H410

Causes severe skin burns and eye damage. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Dichiarazioni precauzionali: P260-P273-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,9627
Beilstein
970119
Classe di rischio
8
Gruppo di imballaggio
II
Codice tariffe armonizzato
2915.40
TSCA
Yes
RTECS
AJ7875000

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