8.18892
聚乙二醇
35000, (stabilised with 2-tert-butyl-4-methoxyphenol) for synthesis
别名:
聚（乙二醇）, 聚乙二醇，聚环氧乙烷，聚氧乙烯，PEG 35000, 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 Segment
form
liquid
autoignition temp.
>320 °C
potency
28000 mg/kg LD50, oral (Rat), >20000 mg/kg LD50, skin (Rabbit)
greener alternative product characteristics
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pH
5-7 (20 °C, 100 g/L in H2O)
mp
60-65 °C
transition temp
flash point 260 °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
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3500（PEG 35000）是一种亲水聚醚化合物，可用于合成以下物质：
还可用作：
- 用于制造微型生物反应器的具有分层结构的二氧化硅单体（silica monolith）。
- 用于生物医学应用的微型纳米结构PEG-DA（PEG- 二丙烯酸酯）。
还可用作：
- 通过溶胶凝胶法制备二氧化硅微孔/介孔结构的模板。
- 金属纳米颗粒合成的稳定剂。
Analysis Note
羟值：3 - 4
熔程（下限值）： ≥ 62 °C
熔程（上限值）： ≤ 67 °C
平均分子量：28000 - 38000
鉴别（IR）：符合检验
熔程（下限值）： ≥ 62 °C
熔程（上限值）： ≤ 67 °C
平均分子量：28000 - 38000
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