Merck
CN

93171

Sigma-Aldrich

二乙二醇

BioUltra, ≥99.0% (GC)

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别名:
2,2′-氧代二乙醇, 2-羟基乙基醚, 二(羟乙基)醚, 二甘醇
线性分子式:
(HOCH2CH2)2O
CAS号:
分子量:
106.12
Beilstein:
969209
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.25

蒸汽密度

2.14 (vs air)

质量水平

蒸汽压

0.01 mmHg ( 20 °C)

描述

non-ionic

产品线

BioUltra

检测方案

≥99.0% (GC)

形式

liquid
viscous liquid

自燃温度

442 °F

expl. lim.

2-12.3 %

杂质

insoluble matter, passes filter test
≤30 mg/kg peroxides (as H2O2)

折射率

n20/D 1.447 (lit.)
n20/D 1.447

pH值(酸碱度)

5.5-7.0 (25 °C, 50 mg/mL in H2O)

bp

245 °C (lit.)

mp

−10 °C (lit.)

溶解性

H2O: 50 mg/mL at 20 °C, clear, colorless

密度

1.118 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

痕量阳离子

Al: ≤10 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES字符串

OCCOCCO

λ

50 mg/mL in H2O

紫外吸收

λ: 260 nm Amax: ≤0.060
λ: 280 nm Amax: ≤0.030

InChI

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

InChI key

MTHSVFCYNBDYFN-UHFFFAOYSA-N

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应用

二乙二醇(二甘醇)被用于生物材料工程,使多肽纳米纤维官能化,以改善其聚集和蛋白水解降解性质。二乙二醇可用作各类纳米颗粒制备过程的溶剂、还原剂和衍生剂。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Oral

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

280.4 °F - closed cup

闪点(°C)

138 °C - closed cup

个人防护装备

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


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