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Merck

299537

Sigma-Aldrich

Ácido trifluoroacético

≥99%, for protein sequencing

Sinónimos:

TFA

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25 G
82,30 €
50 G
143,00 €
100 G
217,00 €
500 G
818,00 €

82,30 €


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25 G
82,30 €
50 G
143,00 €
100 G
217,00 €
500 G
818,00 €

About This Item

Fórmula lineal:
CF3COOH
Número de CAS:
Peso molecular:
114.02
Beilstein:
742035
Número CE:
Número MDL:
Código UNSPSC:
12352106
ID de la sustancia en PubChem:
NACRES:
NA.21

82,30 €


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densidad de vapor

3.9 (vs air)

Nivel de calidad

presión de vapor

97.5 mmHg ( 20 °C)

tpo

for protein sequencing

Ensayo

≥99%

Formulario

liquid

impurezas

<0.05% water

residuo de evap.

<0.005%

índice de refracción

n20/D 1.3 (lit.)

pH

1 (20 °C, 10 g/L)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

densidad

1.489 g/mL at 20 °C (lit.)

cadena SMILES

OC(C(F)(F)F)=O

InChI

1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)

Clave InChI

DTQVDTLACAAQTR-UHFFFAOYSA-N

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Descripción general

Trifluoroacetic acid is a naturally occurring organic solvent and biodegradable by microbial action. It can also be used as a catalyst for various organic transformations, including solvolysis, rearrangements, reductions, oxidations, and trifluoromethylation.

Aplicación

Trifluoroacetic acid can be used as a solvent in the:
  • Mass spectrometry for protein identification.
  • Microwave-irradiated bromination of isoxazoles and pyrazoles with N-bromosuccinimide to synthesize mono-brominated isoxazoles and pyrazoles.
  • Lewis acid-catalyzed 6-endo-digcyclization of 2-(2-arylethynyl)heteroaryl esters to heterocyclic lactones.
  • Electrospinning of cellulose acetate to prepare the corresponding nanofibrous membranes.

Pictogramas

CorrosionExclamation mark

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A

Código de clase de almacenamiento

8A - Combustible corrosive hazardous materials

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

No data available

Punto de inflamabilidad (°C)

No data available


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Certificados de análisis (COA)

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Macro- and micromethods for the determination of serum vitamin A using trifluoroacetic acid.
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Direct trifluoromethylation of arenes using TFA as the trifluoromethylating reagent was achieved with Ag as the catalyst. This reaction not only provides a new protocol for aryl C-H trifluoromethylation, but the generation of CF3· from TFA may prove useful in

Protocolos

BIOshell™ IgG 1000 Å C4 UHPLC Column for Improved Biomacromolecule Separations

Preguntas

1–2 de 2 Preguntas  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 respuesta
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 respuesta
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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