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重要文件

8.07491

Sigma-Aldrich

聚乙二醇

6000, for synthesis

同義詞:

聚(乙二醇), 聚乙二醇,聚环氧乙烷,聚氧乙烯,PEG 6000, PEG

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About This Item

線性公式:
H(OCH2CH2)nOH
CAS號碼:
MDL號碼:
分類程式碼代碼:
13111021
酶委員會索引編號:
500-038-2
NACRES:
NA.22
暫時無法取得訂價和供貨情況

蒸汽壓力

<0.01 hPa ( 20 °C)

品質等級

形狀

solid

自燃溫度

420 °C

效力

28000 mg/kg LD50, oral (Rat)
>20000 mg/kg LD50, skin (Rabbit)

pH值

5-7 (20 °C, 100 g/L in H2O)

mp

58-63 °C

轉變溫度

flash point 270 °C

密度

1.2 g/cm3 at 20 °C

儲存溫度

2-30°C

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)是一种人工合成的亲水性生物相容聚合物,在PEG化、表面共轭、纳米颗粒涂层和水凝胶交联等方面具有广泛应用。

應用

聚乙二醇6000是一种非离子表面活性剂,可用作结构导向剂以制备介孔γ-Al2O3。PEG 6000可诱导薄水铝石纳米颗粒形成片状结构形态,具有更高的比表面积、更大的孔体积和孔径等纹理性能。[1]它也用于药物制剂中,以提高水溶性差的药物分子的溶解速度。[2][3]PEG-6000也可用于选择性沉淀法纯化核酸。该方法比常用的色谱纯化方法更经济高效,且速度快。[4]

分析報告

熔程(下限值): ≥ 59 °C
熔程(上限值): ≤ 64 °C
羟值:16 - 23
平均分子量:5000 - 7000
同一性(IR):通过测试

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

281.5 °F - closed cup

閃點(°C)

138.6 °C - closed cup


分析證明 (COA)

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S Biswal et al.
AAPS PharmSciTech, 9(2), 563-570 (2008-05-07)
The aim of the present study was to enhance the dissolution rate of gliclazide using its solid dispersions (SDs) with polyethylene glycol (PEG) 6000. The phase solubility behavior of gliclazide in presence of various concentrations of PEG 6000 in 0.1
S Verheyen et al.
International journal of pharmaceutics, 249(1-2), 45-58 (2002-11-16)
Solid dispersion literature, describing the mechanism of dissolution of drug-polyethylene glycol dispersions, still shows some gaps; (A). only few studies include experiments evaluating solid solution formation and the particle size of the drug in the dispersion particles, two factors that
A facile rout to synthesis lamellate structure mesoporous alumina using polyethylene glycol 6000 (PEG, molecular weight= 6000) as structure directing agent
Su Ai-ping, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 159, 36-41 (2012)
Purification of nucleic acids by selective precipitation with polyethylene glycol 6000.
Axel Schmitz et al.
Analytical biochemistry, 354(2), 311-313 (2006-05-27)

Questions

  1. Is it possible to use the product Polyethylene glycol 6000 (8074911000) to soften seed coats to aid in germination?

    1 answer
    1. The information from Jelitto Perennial Seeds suggests that for hard-shelled seeds, mechanical damaging of the shell or treatment with a softener such as Polyethylene glycol 6000 (PEG 6000) can be helpful for quicker swelling. However, there is no specific mention of product number 807491 in particular for this purpose.

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