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Merck

H26456

Sigma-Aldrich

二乙二醇

ReagentPlus®, 99%

别名:

2,2′-氧代二乙醇, 2-羟基乙基醚, 二(羟乙基)醚, 二甘醇

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About This Item

线性分子式:
(HOCH2CH2)2O
CAS号:
分子量:
106.12
Beilstein:
969209
EC號碼:
MDL號碼:
分類程式碼代碼:
12352104
PubChem物質ID:
NACRES:
NA.21

蒸汽密度

2.14 (vs air)

品質等級

蒸汽壓力

0.01 mmHg ( 20 °C)

描述

non-ionic

產品線

ReagentPlus®

化驗

99%

形狀

liquid
viscous liquid

自燃溫度

442 °F

expl. lim.

2-12.3 %

折射率

n20/D 1.447 (lit.)

pH值

5.0-8 (20 °C, 500 g/L)

bp

245 °C (lit.)

mp

−10 °C (lit.)

密度

1.118 g/mL at 25 °C (lit.)

SMILES 字串

OCCOCCO

InChI

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

InChI 密鑰

MTHSVFCYNBDYFN-UHFFFAOYSA-N

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一般說明

二乙二醇(DEG)在聚(对苯二甲酸乙二醇酯)(PET)的合成过程中可用作共聚单体。在用硝酸处理时,其会发生氧化。已对其毒性进行了评估。DEG的臭氧化和改性Fenton氧化已有研究。

應用

二乙二醇可用于制备双(2,2′:6′,2″-吡啶-4′-基)二甘醇,可作为制备水溶性配位聚合物的前体。

法律資訊

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

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

280.4 °F - closed cup

閃點(°C)

138 °C - closed cup

個人防護裝備

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


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Diethylene glycol poisoning.
Schep LJ, et al.
Clinical Toxicology, 47(6), 525-535 (2009)
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)
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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