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Merck
CN

95172

Sigma-Aldrich

聚(乙二醇)

BioUltra, 20,000

别名:

PEG

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关于此项目

线性分子式:
H(OCH2CH2)nOH
CAS Number:
MDL编号:
UNSPSC代码:
12352104
PubChem化学物质编号:
NACRES:
NA.26
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质量水平

产品线

BioUltra

表单

flakes

分子量

Mr ~16000-24000

杂质

insoluble matter:, passes filter test
≤0.001% peroxides (as H2O2):

pH值(酸碱度)

5.5-7.0 (25 °C, 50 mg/mL in H2O)

mp

63-66 °C

溶解性

H2O: 50 mg/mL at 25 °C, clear, colorless

痕量阴离子

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

痕量阳离子

Al: ≤5 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

λ

50 mg/mL in H2O

紫外吸收

λ: 260 nm Amax: 0.15
λ: 280 nm Amax: 0.20

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)是一种聚醚化合物,用于作为化妆品,药品及食品的添加剂。它包含重复的乙二醇[-(CH2CH2O)n]单元。

应用

聚乙二醇被用于水分散体系中的非吸附性高分子或作为活性自组装凝胶通过排空相互作用刺激纤维束的形成。

生化/生理作用

聚乙二醇(PEG)是一种合成高分子,被用作生物偶联和纳米药物延长血液循环时间,提高药物疗效的金标准。PEG-偶联药物被认为可在人体上安全使用,并得到美国食品和药品监督局(FDA)批准。PEG在许多生物医学应用,包括生物传感器,成像和组织工程。它还排斥蛋白质吸附和降低肝脏摄取,这有助于包裹纳米颗粒。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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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