8.07490
聚乙二醇
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:
NACRES:
NA.22
EC Index Number:
500-038-2
UNSPSC Code:
13111021
MDL number:
Form:
solid
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
vapor pressure
<0.01 hPa ( 20 °C)
form
solid
autoignition temp.
>320 °C (DIN 51794)
potency
28000 mg/kg LD50, oral (Rat), >20000 mg/kg LD50, skin (Rabbit)
Quality Level
greener alternative product characteristics
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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
storage temp.
2-30°C
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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
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
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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