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360589

Sigma-Aldrich

Tetrahidrofuran

≥99.0%, ACS reagent, contains 200-400 ppm BHT as inhibitor, suitable for HPLC

Sinónimos:

THF, Oxolano, Óxido de butileno, Óxido de tetrametileno

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500 ML
$112.00
1 L
$152.00
2.5 L
$266.00
4 L
$372.00
6 X 500 ML
$570.00
6 X 1 L
$750.00
18 L
$931.00
4 X 4 L
$1,250.00
200 L
$4,460.00

$112.00

Disponible para envío el16 de abril de 2025Detalles

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Seleccione un Tamaño

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500 ML
$112.00
1 L
$152.00
2.5 L
$266.00
4 L
$372.00
6 X 500 ML
$570.00
6 X 1 L
$750.00
18 L
$931.00
4 X 4 L
$1,250.00
200 L
$4,460.00

About This Item

Fórmula empírica (notación de Hill):
C4H8O
Número de CAS:
109-99-9
Peso molecular:
72.11
Beilstein:
102391
Número CE:
203-726-8
Número MDL:
MFCD00005356
Código UNSPSC:
12191501
ID de la sustancia en PubChem:
329755267
NACRES:
NA.21
bp:
65-67 °C (lit.)

$112.00

Disponible para envío el16 de abril de 2025Detalles

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Nombre del producto

Tetrahidrofuran, contains 200-400 ppm BHT as inhibitor, ACS reagent, ≥99.0%

grado

ACS reagent

Nivel de calidad

200

densidad de vapor

2.5 (vs air)

presión de vapor

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

Ensayo

≥99.0%

Formulario

liquid

temp. de autoignición

610 °F

contiene

200-400 ppm BHT as inhibitor

lim. expl.

1.8-11.8 %

técnicas

HPLC: suitable

impurezas

≤0.015% peroxide (as H2O2)
≤0.05% water

residuo de evap.

≤0.03%

color

APHA: ≤20

índice de refracción

n20/D 1.407 (lit.)

pH

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

solubilidad

water: soluble

densidad

0.889 g/mL at 25 °C (lit.)

cadena SMILES

C1CCOC1

InChI

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

Clave InChI

WYURNTSHIVDZCO-UHFFFAOYSA-N

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Categorías relacionadas

Descripción general

El tetrahidrofurano (THF) es un compuesto heterocíclico (éter cíclico). Es incoloro, tiene poca viscosidad y buena solubilidad en una amplia gama de disolventes. Se utiliza mucho como disolvente en síntesis orgánica, siendo muy popular en reacciones con compuestos organometálicos y reactivos de Grignard. Debido a la formación de peróxidos orgánicos en el almacenamiento a largo plazo, el THF suele estabilizarse añadiendo hidroxitolueno butilado (BHT). El BHT elimina los radicales libres requeridos para la formación de peróxido.

Aplicación

El tetrahidrofurano (THF) se utiliza como disolvente en los siguientes procesos:

  • Síntesis orgánica
a) Grignard
b) Compuestos organometálicos
c) Reformatsky
d) Litiación
e) Reducción de hidruros
f) Acoplamiento catalizado por metales (Heck, Stile, Suzuki)
g) Reacciones mediadas por ácidos de Lewis
  • Cristalización
  • Polimerización. Ej. Polimerización RAFT (transferencia de cadena de adición-fragmentación reversible) de p-acetoxistireno.
  • Revestimientos
  • Como un ligando donante de O para formar complejos de coordinación.
  • Como disolvente de fase móvil en la cromatografía de líquidos de alta resolución.

Características y beneficios

Los disolventes ACS cumplen o superan los altos estándares de la American Chemical Society (ACS), con especificaciones analíticas especializadas para cada compuesto. Según la American Chemical Society, la calidad para reactivo ACS implica que es una sustancia de suficiente pureza como para utilizarse en la mayoría de los análisis o reacciones químicos.

Otras notas

Vaya a nuestra alternativa más sostenible, el 2-metil tetrahidrofurano - 155810

Vaya a nuestra alternativa más sostenible, el ciclopentil metil éter - 675989

Producto relacionado

Referencia del producto
Descripción
Precios

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Órganos de actuación

Central nervous system, Respiratory system

Riesgos supl.

EUH019

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

-6.2 °F - closed cup

Punto de inflamabilidad (°C)

-21.2 °C - closed cup

Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number
SHBS1336
SHBS5964
SHBS1334
SDBB2072
SDBB0468

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Chaudhary AL, et al.
The Journal of Physical Chemistry C, 118(2), 1240-1247 (2014)
Synthesis of NiO/TiO2 using amphiphilic diblock copolymer brushes (PMMA-b-PAA) by reversible addition fragmentation chain-transfer poltmerization.
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    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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    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.
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  3. What apparatus do you recommend for HPLC solvent filtration?

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    1. The Sigma-Aldrich Vacuum Filtration Assembly gives you all the components you need including: funnel top, fritted glass funnel support, filtration flask, aluminum clamp, and silicone stopper.  The Acrodisc Syringe Filters offer high quality filtration for analytical samples, certified for HPLC to ensure low extractable and available in a broad range of membranes to meet sample compatibility requirements.

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  4. Why do peroxides form in certain solvents and how do I test for it?

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    1. A significant number of laboratory solvents can undergo autoxidation under normal storage conditions to form unstable and potentially dangerous peroxide by-products. Molecular structure is the primary factor relating to a material’s potential for hazardous peroxide formation.  It is important to understand the stability of materials in use and if unclear, consult Sigma-Aldrich Technical Support, [email protected].

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  6. What are some of the preservatives used in the most common ethers and chlorinated solvents and why are they added?

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    1. Sigma-Aldrich offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive Organic and Biotech applications.  Sigma-Aldrich also carries various drying agents such as molecular sieves, which are typically compatible with organic solvents.

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