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Merck

P5413

Sigma-Aldrich

聚(乙二醇)

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:
MDL號碼:
分類程式碼代碼:
12352104
PubChem物質ID:
NACRES:
NA.31

等級

for molecular biology

品質等級

形狀

powder

分子量

average mol wt 8,000

溶解度

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

密度

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

異物活動

DNase, RNase and NICKase, none detected

SMILES 字串

C(CO)O

InChI

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

InChI 密鑰

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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一般說明

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。

應用

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

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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John M Murray
Journal of microscopy, 267(2), 193-213 (2017-03-23)
The ability to replace genes coding for cellular proteins with DNA that codes for fluorescent protein-tagged versions opens the way to counting the number of molecules of each protein component of macromolecular assemblies in vivo by measuring fluorescence microscopically. Converting
Associations between HLA class I alleles and escape mutations in the hepatitis B virus core gene in New Zealand-resident Tongans
Abbott William GH, et al.
Journal of Virology, 84(1), 621-629 (2010)
Genes for the biosynthesis of the fungal polyketides hypothemycin from Hypomyces subiculosus and radicicol from Pochonia chlamydosporia
Reeves CD
Applied and Environmental Microbiology, 74(16), 5121-5129 (2008)
Retinol encapsulated into amorphous Ca2+ polyphosphate nanospheres acts synergistically in MC3T3-E1 cells
Muller Werner EG, et al.
European Journal of Pharmaceutics and Biopharmaceutics, 93, 214-223 (2015)
Induction and Purification of C. difficile Phage Tail-Like Particles
Clostridium difficile, 167-175 (2016)

相关内容

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

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