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Merck
CN

202304

Sigma-Aldrich

聚(丙二醇)

average Mn ~425

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别名:
PPG, 聚环氧丙烷
线性分子式:
H[OCH(CH3)CH2]nOH
CAS号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23

蒸汽密度

>1 (vs air)

质量水平

蒸汽压

<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

粘度

80 cSt(25 °C)(lit.)

羟基值

263 mg KOH/g

溶解性

water: miscible (completely)

密度

1.004 g/mL at 25 °C

SMILES字符串

CC(O)CO

InChI

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

InChI key

DUFKCOQISQKSAV-UHFFFAOYSA-N

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应用

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。

WGK

WGK 1

闪点(°F)

closed cup

闪点(°C)

closed cup

个人防护装备

Eyeshields, Gloves


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