8.19015
聚乙二醇
3000, for synthesis
别名:
聚（乙二醇）, 聚乙二醇，聚环氧乙烷，聚氧乙烯，PEG 3000, 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
<0.1 hPa ( 20 °C)
Quality Segment
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
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sustainability
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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
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
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3000可用于：
- 作为单分散磁铁矿胶体磁性纳米颗粒合成中的表面改性剂。
- 作为木葡聚糖寡糖还原端特异性纤维二糖水解酶(oligoxyloglucan reducing-end specific cellobiohydrolase, OXG-RCBH)悬滴蒸气扩散法结晶中的沉淀剂。
- 作为溶剂和相转移催化剂(PTC)用于双水相络合萃取(aqueous biphasic reactive extraction)。
- 作为添加剂制备聚砜膜，用于孔径分析研究。
Analysis Note
羟值：34 - 42
熔程（下限值）： ≥ 55 °C
熔程（上限值）： ≤ 59 °C
平均分子量：2700 - 3300
鉴别（IR）：符合检验
熔程（下限值）： ≥ 55 °C
熔程（上限值）： ≤ 59 °C
平均分子量：2700 - 3300
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