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8.07490

聚乙二醇

Name: 聚乙二醇
Brand: MM

4000, for synthesis

别名:

聚（乙二醇）, 聚乙二醇，聚环氧乙烷，聚氧乙烯，PEG 4000, PEG

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关于此项目

线性分子式:

H(OCH₂CH₂)_nOH

化学文摘社编号:

25322-68-3

NACRES:

NA.22

EC Index Number:

500-038-2

UNSPSC Code:

13111021

MDL number:

MFCD00081839

Form:

solid

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属性

vapor pressure

<0.01 hPa ( 20 °C)

Quality Level

200

form

solid

autoignition temp.

>320 °C (DIN 51794)

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.

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pH

5-7 (20 °C, 100 g/L in H₂O)

mp

53-58 °C

transition temp

flash point 270 °C

solubility

500 g/L

density

1.2 g/cm³ at 20 °C

bulk density

400‑500 kg/m³

greener alternative category

Aligned

storage temp.

2-30°C

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

说明

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

用于合成的聚乙二醇4000。CAS号25322-68-3，EC号500-038-2。

Analysis Note

羟基值：25 - 32
熔程（下限值）： ≥ 58 °C
熔程（上限值）： ≤ 62 °C
平均分子量：3500 - 4500
同一性（IR）：通过测试

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存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup

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全球贸易项目编号

货号	GTIN
8074901000	04022536395920
8074905000	04022536395937