Merck
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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
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

grau

ACS reagent

Nível de qualidade

200

densidade de vapor

<1 (vs air)

pressão de vapor

1 mmHg ( 51 °C)

teor

≥99.5% (T)
≥99.5%

forma

flakes

qualidade

for the determination of Fe in blood according to Heilmeyer

resíduo de ignição

≤0.03% (as SO4)

índice de refração

n20/D 1.62 (lit.)

pb

196 °C (lit.)

pf

54-58 °C (lit.)

solubilidade

water: soluble 81.7 g/L at 20 °C

densidade

1.62 g/mL at 25 °C (lit.)

traços de ânion

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

traços de cátion

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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Descrição geral

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

Aplicação

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.

Outras notas

Protein denaturant

Pictogramas

CorrosionEnvironment

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Código de classe de armazenamento

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 2

Ponto de fulgor (ºF)

235.4 °F - closed cup

Ponto de fulgor (ºC)

> 113 °C - closed cup

Equipamento de proteção individual

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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