202304
聚(丙二醇)
average Mn ~425
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:
Bp:
287.6 °C
Vapor pressure:
<0.01 mmHg ( 20 °C)
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
SMILES string
CC(O)CO
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
vapor density
>1 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
mol wt
average Mn ~425
contains
130-190 ppm proprietary phenolic antioxidant
refractive index
n20/D 1.447
viscosity
80 cSt(25 °C)(lit.)
bp
287.6 °C
hydroxyl value
263 mg KOH/g
solubility
water: miscible (completely)
density
1.004 g/mL at 25 °C
Quality Level
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Application
聚(丙二醇)可用：
- 增塑剂，因为它不结晶，具有较低的玻璃化转变温度，并具有生物相容性。例如，它可以用于聚乳酸的塑化。
- 制备从盐单胞菌细胞中回收 Ectoine 的水双相体系。
- 研究超分子聚合物（PPG）向常规聚合物（PPO）的虚拟转变。
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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