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91230

Sigma-Aldrich

Trichloroacetic acid

ACS reagent, for the determination of Fe in blood according to Heilmeyer, ≥99.5%

Synonym(s):
TCA
Linear Formula:
Cl3CCOOH
CAS Number:
Molecular Weight:
163.39
Beilstein:
970119
Numer EC:
Numer MDL:
Identyfikator substancji w PubChem:
NACRES:
NA.21

klasa czystości

ACS reagent

Poziom jakości

200

gęstość pary

<1 (vs air)

ciśnienie pary

1 mmHg ( 51 °C)

próba

≥99.5% (T)
≥99.5%

forma

flakes

jakość

for the determination of Fe in blood according to Heilmeyer

pozostałość po prażeniu

≤0.03% (as SO4)

współczynnik refrakcji

n20/D 1.62 (lit.)

tw

196 °C (lit.)

mp

54-58 °C (lit.)

rozpuszczalność

water: soluble 81.7 g/L at 20 °C

gęstość

1.62 g/mL at 25 °C (lit.)

ślady anionów

chloride (Cl-): ≤10 mg/kg
nitrate (NO3-): ≤20 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤200 mg/kg

ślady kationów

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

OC(=O)C(Cl)(Cl)Cl

InChI

1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key

YNJBWRMUSHSURL-UHFFFAOYSA-N

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Opis ogólny

Trichloroacetic acid (TCA) is a chlorinated acetic acid. It is one of the major metabolites of trichloroethylene (TCE).

Zastosowanie

Trichloroacetic acid may be used in the following studies:
  • Estimation of phosphorus in various biological samples (serum, urine and stool ash solutions).
  • Elimination of acid-soluble and lipid phosphorous during the determination of deoxyribonucleic acid, ribonucleic acid and phosphoproteins in animal tissues.
  • Preparation of 2-methyl-4-nitroanilinium trichloroacetate trichloroacetic acid (2M4NATCA) crystals.

10% Trichloroacetic acid may be employed for the preparation of radioactive proteins.
Traditionally used to precipitate protein. Has been used to determine protein concentration by quantitative precipitation. Used as decalcifier and fixative in microscopy.

Inne uwagi

Protein denaturant

piktogramy

CorrosionEnvironment

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Klasyfikacja zagrożeń

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1A

Kod klasy składowania

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 2

Temperatura zapłonu °F

235.4 °F - closed cup

Temperatura zapłonu °C

> 113 °C - closed cup

Środki ochrony indywidualnej

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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