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247499

Sigma-Aldrich

乙基纤维素

viscosity 100 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

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CAS号:
9004-57-3
MDL编号:
MFCD00131037
NACRES:
NA.23

形式

powder or granules

质量水平

200

自燃温度

698 °F

浓度

48.0-49.5%

标记范围

48% ethoxyl

折射率

n20/D 1.47 (lit.)

粘度

100 cP, 5 % in toluene/ethanol 80:20(lit.)

转变温度

softening point 155 °C

密度

1.14 g/mL at 25 °C (lit.)

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相关类别

一般描述

乙基纤维素是一种无毒，生物体惰性，性质稳定的疏水聚合物。它可广泛用于制备药物传递系统的持续释放基材。

应用

乙基纤维素可用于：
  • 制备甲草胺和异丙甲草胺的高分子微胶囊并研究其控制释放性能。
  • 作为合成双相药物释放纳米纤维的核心基质。
  • 制备具有优异漂浮和缓释能力的蜡基固体分散颗粒。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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