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P5413

聚（乙二醇）

Name: 聚（乙二醇）
Brand: SIAL

for molecular biology, average mol wt 8,000

别名:

聚环氧乙烷, PEG

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About This Item

线性分子式:

H(OCH₂CH₂)_nOH

CAS号:

25322-68-3

MDL编号:

MFCD00081839

UNSPSC代码:

12352104

PubChem化学物质编号:

24898639

NACRES:

NA.31

等级

for molecular biology

质量水平

300

形式

powder

分子量

average mol wt 8,000

溶解性

water: soluble (approximately 630 mg/ml, 20 °C)

密度

1.0845 g/mL at 70 °C
1.0689 g/mL at 90 °C

异质活性

DNase, RNase and NICKase, none detected

SMILES字符串

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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一般描述

聚乙二醇（PEG）是环氧乙烷和水通过缩合反应产生的聚合物。当暴露在空气中时，PEG易被氧化降解。尽量减少PEG暴露于高度和/或暴露于氧气或添加抗氧化剂，可以限制降解量。PEG在储存过程中不会水解或变质。PEG不支持霉菌生长。

聚乙二醇（PEG）被用于洗涤剂、乳化剂、香皂、金属加工过程、药物制剂和化妆品中。PEG常被用作润滑剂。它也被用于色谱的固定相中。PEG可防止乳液中的晶体形成。

应用

聚乙二醇已被用于：

原生质体悬浮液
防止乳液发生相分离
噬菌体尾样颗粒沉淀
纯化和增强聚合酶链反应的产物

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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分析证书(COA)

Lot/Batch Number

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