T6399

Sigma-Aldrich

Trichloroacetic acid

ACS reagent, ≥99.0%

Synonym(s):
TCA
Linear Formula:
Cl3CCOOH
CAS Number:
Molecular Weight:
163.39
Beilstein/REAXYS Number:
970119
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

vapor density

<1 (vs air)

vapor pressure

1 mmHg ( 51 °C)

assay

≥99.0%

impurities

Substances darkened by sulfuric acid, passes test
≤0.01% insoluble matter

ign. residue

≤0.03%

refractive index

n20/D 1.62 (lit.)

bp

196 °C (lit.)

mp

54-58 °C (lit.)

solubility

H2O: 1 g/10 mL

density

1.62 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.002%
nitrate (NO3-): ≤0.002%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.001%
heavy metals (as Pb): ≤0.002%

storage temp.

2-8°C

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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Related Categories

Application

  • Trichloroacetic acid has been used for the precipitation of sLRP (soluble circulating low density lipoprotein receptor-related protein-1) isolated from plasma.
  • It has been used for the extraction of ascorbic acid from plant samples. It has also been used for the preparation of ascorbate standards for ascorbate assay.
  • It has been used for the precipitation of IMAC (immobilized metal ion affinity chromatography)-isolated phosphoproteins.
Traditionally used to precipitate protein. Has been used to determine protein concentration by quantitative precipitation. Used as decalcifier and fixative in microscopy.

Packaging

5, 100, 4×100, 250, 500 g in glass bottle
1 kg in glass bottle

Signal Word

Danger

Hazard Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1839 8 / PGII

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Measurement of reduced, oxidized and total ascorbate content in plants.
Gillespie KM and Ainsworth EA
Nature Protocols, 2, 871-871 (2007)
Casein Kinase 2 (CK2)-mediated Phosphorylation of Hsp90? as a Novel Mechanism of Rifampin-induced MDR1 Expression.
Kim SW et al.
The Journal of Biological Chemistry, 290, 17029-17029 (2015)
Impaired lipoprotein receptor-mediated peripheral binding of plasma amyloid-? is an early biomarker for mild cognitive impairment preceding Alzheimer's disease.
Sagare AP et al.
Journal of Alzheimer'S Disease, 24, 25-25 (2011)
Seokjo Kang et al.
Journal of Alzheimer's disease : JAD, 70(3), 667-680 (2019-07-01)
Increased levels of total tau (t-tau) and hyperphosphorylated tau (p-tau) proteins in the cerebrospinal fluid of Alzheimer's disease (AD) patients are well documented and strongly correlate with AD pathology. Recent studies have further shown that human tau can be released...
Ying Wang et al.
Diabetes, 63(8), 2643-2655 (2014-03-13)
After diabetes, the heart has a singular reliance on fatty acid (FA) for energy production, which is achieved by increased coronary lipoprotein lipase (LPL) that breaks down circulating triglycerides. Coronary LPL originates from cardiomyocytes, and to translocate to the vascular...

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