8.07483
聚乙二醇
200, for synthesis
别名:
聚（乙二醇）, 聚乙二醇，聚环氧乙烷，聚氧乙烯，PEG 200, 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:
vapor pressure
<0.01 hPa ( 20 °C)
Quality Level
form
liquid
autoignition temp.
350 °C (DIN 51794)
potency
28000 mg/kg LD50, oral (Rat), >20000 mg/kg LD50, skin (Rabbit)
greener alternative product characteristics
Safer Solvents and Auxiliaries
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pH
5-7 (20 °C, 100 g/L in H2O)
bp
>150 °C
mp
-50 °C
transition temp
flash point 180 °C
solubility
soluble 70 g/L
density
1.124 g/cm3 at 20 °C
greener alternative category
storage temp.
no temp limit
SMILES string
C(CO)O
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
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
聚乙二醇200可用作：
- 结构导向剂，通过共沉淀法合成钒酸铁（FeVO4）纳米颗粒。
- 有机添加剂，使用氯化钙和钨酸钠通过溶剂热法制备钨酸钙晶体纳米棒（CaWO4）。
- 表面改性剂，以CaCl2为前体通过水解沉淀法合成过氧化钙纳米颗粒。
- 绿色溶剂，结合H2O，使用硫脲和烷基卤化物通过磺化4-甲氧基香豆素制备4-磺酰基香豆素。
Analysis Note
密度（d 20 °C/4 °C）：1.124 - 1.126
羟值：535 - 590
平均分子量：190 - 210
鉴别（IR）：符合检验
羟值：535 - 590
平均分子量：190 - 210
鉴别（IR）：符合检验
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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
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 8074831000 | 04022536395661 |
| 8074835000 | 04022536395678 |