H26456
二乙二醇
99%, liquid, viscous liquid, suitable for synthesis, ReagentPlus®
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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线性分子式:
(HOCH2CH2)2O
化学文摘社编号:
分子量:
106.12
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352104
EC Number:
203-872-2
MDL number:
Beilstein/REAXYS Number:
969209
Assay:
99%
Bp:
245 °C (lit.)
Vapor pressure:
0.01 mmHg ( 20 °C)
产品名称
二乙二醇, ReagentPlus®, 99%
InChI
1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2
InChI key
MTHSVFCYNBDYFN-UHFFFAOYSA-N
SMILES string
OCCOCCO
vapor density
2.14 (vs air)
vapor pressure
0.01 mmHg ( 20 °C)
description
non-ionic
product line
ReagentPlus®
assay
99%
form
liquid
viscous liquid
autoignition temp.
442 °F
expl. lim.
2-12.3 %
dilution
(for general lab use)
refractive index
n20/D 1.447 (lit.)
pH
5.0-8 (20 °C, 500 g/L)
bp
245 °C (lit.)
mp
−10 °C (lit.)
density
1.118 g/mL at 25 °C (lit.)
functional group
ether
hydroxyl
Quality Level
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Application
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。
General description
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。
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
280.4 °F - closed cup
flash_point_c
138 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Diethylene glycol poisoning.
Schep LJ, et al.
Clinical Toxicology, 47(6), 525-535 (2009)
Metallo-supramolecular diethylene glycol: water-soluble reversible polymers.
Schmatloch S, et al.
Macromolecular Rapid Communications, 23(16), 957-961 (2002)
Oxidation of diethylene glycol with nitric acid.
Svetlakov NV, et al.
Russ. J. Org. Chem., 38(5), 753-753 (2002)
Degradation mechanism of diethylene glycol units in a terephthalate polymer.
Lecomte HA and Liggat. JJ.
Polymer Degradation and Stability, 91(4), 681-689 (2006)
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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Noble-metal nanostructures find diverse applications from catalysis to biomedical research, leveraging surface properties in various fields.
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