202339
聚(丙二醇)
average Mn ~2,000
别名:
PPG, 聚环氧丙烷
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线性分子式:
H[OCH(CH3)CH2]nOH
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
Vapor pressure:
<0.01 mmHg ( 20 °C)
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
SMILES string
CC(O)CO
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
vapor density
>1 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
mol wt
average Mn ~2,000
contains
130-190 ppm proprietary phenolic antioxidant
refractive index
n20/D 1.451
viscosity
300 cSt(25 °C)(lit.)
hydroxyl value
56 mg KOH/g
density
1.005 g/mL at 25 °C
Quality Level
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General description
聚丙二醇(PPG)是一种聚醚。由环氧丙烯通过开环聚合而成。聚丙二醇毒性较低，可用作皮革涂饰材料的分散剂，也用作表面活性剂、湿润剂，用于药物制剂。
Application
聚丙二醇的用途如下：
- 作为软钢在酸性溶液中的缓蚀剂。
- 作为起始材料，通过前端聚合(frontal polymerization)合成环氧树脂/聚氨酯杂化网络。
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
445.0 °F - closed cup
flash_point_c
229.44 °C - closed cup
ppe
Eyeshields, Gloves
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