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Merck

202304

Sigma-Aldrich

聚(丙二醇)

average Mn ~425

别名:

PPG, 聚环氧丙烷

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About This Item

线性分子式:
H[OCH(CH3)CH2]nOH
CAS号:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

蒸汽密度

>1 (vs air)

蒸汽壓力

<0.01 mmHg ( 20 °C)

分子量

average Mn ~425

包含

130-190 ppm proprietary phenolic antioxidant

折射率

n20/D 1.447

黏度

80 cSt(25 °C)(lit.)

羥值

263 mg KOH/g

溶解度

water: miscible (completely)

密度

1.004 g/mL at 25 °C

SMILES 字串

CC(O)CO

InChI

1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3

InChI 密鑰

DUFKCOQISQKSAV-UHFFFAOYSA-N

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應用

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。

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

445.0 °F - closed cup

閃點(°C)

229.44 °C - closed cup

個人防護裝備

Eyeshields, Gloves


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In this work, we proposed a novel aqueous biphasic system (ABS) composed of polypropylene glycol P400 (PPG P400) and hydrophilic ionic liquids (IL), 1-alkyl-3-methylimidazolium bromide (alkyl = ethyl or butyl), forming an upper polymer-rich phase and a lower IL-rich phase
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