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Merck

H26456

Sigma-Aldrich

Diethylene glycol

Diethylene glycol

ReagentPlus®, 99%

Sinónimos:

2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol

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About This Item

Fórmula lineal:
(HOCH2CH2)2O
Número de CAS:
Peso molecular:
106.12
Beilstein:
969209
Número CE:
Número MDL:
Código UNSPSC:
12352104
ID de la sustancia en PubChem:
NACRES:
NA.21
Ensayo:
99%
bp:
245 °C (lit.)
presión de vapor:
0.01 mmHg ( 20 °C)
En este momento no podemos mostrarle ni los precios ni la disponibilidad

densidad de vapor

2.14 (vs air)

Nivel de calidad

presión de vapor

0.01 mmHg ( 20 °C)

descripción

non-ionic

Línea del producto

ReagentPlus®

Ensayo

99%

Formulario

liquid
viscous liquid

temp. de autoignición

442 °F

lim. expl.

2-12.3 %

índice de refracción

n20/D 1.447 (lit.)

pH

5.0-8 (20 °C, 500 g/L)

bp

245 °C (lit.)

mp

−10 °C (lit.)

densidad

1.118 g/mL at 25 °C (lit.)

grupo funcional

ether
hydroxyl

cadena SMILES

OCCOCCO

InChI

1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

Clave InChI

MTHSVFCYNBDYFN-UHFFFAOYSA-N

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Descripción general

Diethylene glycol (DEG) is employed as a comonomer during the synthesis of poly (ethylene terephthalate) (PET).[1] It undergoes oxidation on treatment with nitric acid.[2] Its toxicity has been assessed.[3] The ozonation and modified Fenton oxidation of DEG have been investigated.[4]

Aplicación

Diethylene glycol may be used in the preparation of bis(2,2′:6′,2″-terpyrid-4′-yl) diethylene glycol, which can act as a precursor for producing water-soluble coordination polymers.[5]

Información legal

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogramas

Exclamation mark

Palabra de señalización

Warning

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Oral

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

280.4 °F - closed cup

Punto de inflamabilidad (°C)

138 °C - closed cup

Equipo de protección personal

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


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Certificados de análisis (COA)

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Degradation mechanism of diethylene glycol units in a terephthalate polymer.
Lecomte HA and Liggat. JJ.
Polymer Degradation and Stability, 91(4), 681-689 (2006)
Oxidation of diethylene glycol with nitric acid.
Svetlakov NV, et al.
Russ. J. Org. Chem., 38(5), 753-753 (2002)
Metallo-supramolecular diethylene glycol: water-soluble reversible polymers.
Schmatloch S, et al.
Macromolecular Rapid Communications, 23(16), 957-961 (2002)
Diethylene glycol poisoning.
Schep LJ, et al.
Clinical Toxicology, 47(6), 525-535 (2009)
Tuba Turan-Ertas et al.
Chemosphere, 47(3), 293-301 (2002-05-09)
This paper describes a study of oxidation of diethylene glycol (DEG) by ozone and modified Fenton process (hydrogen peroxide and ferric salt mixture) in aqueous solution. Both oxidation processes were able to oxidize relatively high concentrations of DEG effectively. DEG

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Questions

1–2 of 2 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

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  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

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