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8.19015

ポリエチレングリコール

Name: ポリエチレングリコール
Brand: MM

3000, for synthesis

別名:

PEG

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この商品について

化学式:

H(OCH₂CH₂)_nOH

CAS番号:

25322-68-3

NACRES:

NA.22

EC Index Number:

500-038-2

UNSPSC Code:

13111021

MDL number:

MFCD00081839

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特性

vapor pressure

<0.1 hPa ( 20 °C)

Quality Segment

200

form

liquid

autoignition temp.

420 °C

potency

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

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

pH

4-7 (20 °C, 100 g/L in H₂O)

mp

55-58 °C

transition temp

flash point 270 °C

density

1.21 g/cm³ at 20 °C

bulk density

400‑500 kg/m³

greener alternative category

Aligned

storage temp.

2-30°C

SMILES string

C(CO)O

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

詳細

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

Application

Polyethylene glycol 3000 can be used as:

A surface-modification agent in the synthesis of monodispersed magnetite colloidal magnetic nanoparticles.
A precipitating agent in the crystallization of oligoxyloglucan reducing-end specific cellobiohydrolase (OXG-RCBH) by the hanging-drop vapor diffusion method.
A solvent and phase-transfer catalyst (PTC) in the application of aqueous biphasic reactive extraction.
An additive in the preparation of polysulfone membrane to study the porometry.

Analysis Note

Hydroxyl value: 34 - 42
Melting range (lower value): ≥ 55 °C
Melting range (upper value): ≤ 59 °C
Average molecular mass: 2700 - 3300
Identity (IR): passes test

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保管分類

10 - Combustible liquids

wgk

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup

試験成績書（COA）

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Polyethylene glycol and solutions of polyethylene glycol as green reaction media

Chen Ji, et al.

Green Chemistry, 7(2) (2005)

Modified magnetic core-shell mesoporous silica nano-formulations with encapsulated quercetin exhibit anti-amyloid and antioxidant activity.

Eleftherios Halevas et al.

Journal of inorganic biochemistry, 213, 111271-111271 (2020-10-19)

Targeted tissue drug delivery is a challenge in contemporary nanotechnologically driven therapeutic approaches, with the interplay interactions between nanohost and encapsulated drug shaping the ultimate properties of transport, release and efficacy of the drug at its destination. Prompted by the

Crystallization and preliminary X-ray crystallographic study on a xyloglucan-specific exo-beta-glycosidase, oligoxyloglucan reducing-end specific cellobiohydrolase.

Katsuro Yaoi et al.

Acta crystallographica. Section D, Biological crystallography, 59(Pt 10), 1838-1839 (2003-09-23)

A novel xyloglucan-specific exo-beta-glycosidase, oligoxyloglucan reducing-end specific cellobiohydrolase (OXG-RCBH), recognizes the reducing end of oligoxyloglucan and releases two glucosyl residue segments from the main chain. OXG-RCBH was crystallized by the hanging-drop vapour-diffusion method with polyethylene glycol 3000 and polyethylene glycol

グローバルトレードアイテム番号

カタログ番号	GTIN
8.19015.1000	04022536448619
8.19015.5000	04022536448626