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471283

Sigma-Aldrich

Triethylamine

Triethylamine

≥99.5%

Sinónimos:

N,N-Diethylethanamine

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About This Item

Fórmula lineal:
(C2H5)3N
Número de CAS:
121-44-8
Peso molecular:
101.19
Beilstein:
605283
Número CE:
204-469-4
Número MDL:
MFCD00009051
Código UNSPSC:
12352116
ID de la sustancia en PubChem:
24870713
NACRES:
NA.21
bp:
88.8 °C (lit.)
En este momento no podemos mostrarle ni los precios ni la disponibilidad

densidad de vapor

3.5 (vs air)

Nivel de calidad

100

presión de vapor

51.75 mmHg ( 20 °C)

Ensayo

≥99.5%

Formulario

liquid

temp. de autoignición

593 °F

lim. expl.

8 %

impurezas

≤0.1% (Karl Fischer)

índice de refracción

n20/D 1.401 (lit.)

pH

12.7 (15 °C, 100 g/L)

bp

88.8 °C (lit.)

mp

−115 °C (lit.)

solubilidad

water: soluble 112 g/L at 20 °C

densidad

0.726 g/mL at 25 °C (lit.)

grupo funcional

amine

temp. de almacenamiento

room temp

cadena SMILES

CCN(CC)CC

InChI

1S/C6H15N/c1-4-7(5-2)6-3/h4-6H2,1-3H3

Clave InChI

ZMANZCXQSJIPKH-UHFFFAOYSA-N

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Descripción general

Triethylamine (TEA, Et3N) is an aliphatic amine. Its addition to matrix-assisted laser desorption/ionization (MALDI) matrices affords transparent liquid matrices with enhanced ability for spatial resolution during MALDI mass spectrometric (MS) imaging.[1] A head-space gas chromatography (GC) procedure for the determination of triethylamine in active pharmaceutical ingredients has been reported.[2] The viscosity coefficient of triethylamine vapor over a range of density and temperature has been measured.[3]

Aplicación

Triethylamine has been used during the synthesis of:
  • 5′-dimethoxytrityl-5-(fur-2-yl)-2′-deoxyuridine[4]
  • 3′-(2-cyanoethyl)diisopropylphosphoramidite-5′-dimethoxytrityl-5-(fur-2-yl)-2′-deoxyuridine[4]
  • polyethylenimine600-β-cyclodextrin (PEI600-β-CyD)[5]
It may be used as a homogeneous catalyst for the preparation of glycerol dicarbonate, via transesterification reaction between glycerol and dimethyl carbonate (DMC).[6]

Envase

18 L packaged in closed-head steel drums; 100 mL, 500 mL, 2 L, 6×500 mL, 4 L packaged in glass bottles; 200 L packaged in Kilo-Lab® steel cylinders

Información legal

Kilo-Lab is a registered trademark of Merck KGaA, Darmstadt, Germany

Opcional

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Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

12.2 °F - closed cup

Punto de inflamabilidad (°C)

-11 °C - closed cup

Equipo de protección personal

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number
MKCX8602
0000449979
0000449979
0000441233
0000441233

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Nicholas J Greco et al.
Nature protocols, 2(2), 305-316 (2007-04-05)
We describe procedures for the synthesis of a fluorescent pyrimidine analog and its site-specific incorporation into a DNA oligomer. The 5'-protected and 3'-activated nucleoside 4 is synthesized in three steps with an overall yield of 40%. Site-specific incorporation into a
Synthesis of glycerol 1,2-carbonate by transesterification of glycerol with dimethyl carbonate using triethylamine as a facile separable homogeneous catalyst.
Ochoa-Gomez JR, et al.
Green Chemistry, 14(12), 3368-3376 (2012)
Transparent triethylamine-containing MALDI matrices.
Rubakhin SS and Sweedler JV.
Israel J. Chem., 47(2), 185-193 (2007)
GC quantification of cyclopropylamine, diethylamine and triethylamine in active pharmaceutical ingredients.
Raghuram P, et al.
Chromatographia, 71(9-10), 963-966 (2010)
The viscosity of triethylamine vapor at low densities and in the saturated vapor phase.
Teske V, et al.
Fluid Phase Equilibria, 293(2), 190-195 (2010)
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Questions

1–4 of 4 Questions  

  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

      Helpful?

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

    1 answer

    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

      Helpful?

  3. Hello, I would like to know the molarity of this product Triethylamine 471283-100ML and in what it is? I tried to read it this information on the picture but it’s too small and not clear… Thank you for your help!

    1 answer

    1. The concentration of this product can be determined using the lot specific purity reported in the Certificate of Analysis, the density, and the compound molecular weight. This product has a density of 0.726 g/mL and a molecular weight of 101.19 g/mol. The minimum purity is 99.5%, thus the molarity will vary slightly from lot to lot. The molarity can range from 7.14M (99.5%) to 7.17M (100%).

      Helpful?

  4. Hello, do you sell triethylamine come in a sureseal bottle?

    1 answer

    1. Yes, this product is packaged in a SureSeal bottle.

      Helpful?

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