跳转至内容
Merck
CN

46080

Sigma-Aldrich

乙基纤维素

48.0-49.5% (w/w) ethoxyl basis

登录查看公司和协议定价


About This Item

CAS号:
MDL编号:
UNSPSC代码:
12352201
NACRES:
NA.25

质量水平

方案

48.0-49.5% (w/w) (ethoxyl)

表单

coarse powder
powder

自燃温度

698 °F

颜色

beige

折射率

n20/D 1.47 (lit.)

粘度

30-70 mPa.s, 5 % in toluene/ethanol 80:20(25 °C)

密度

1.14 g/mL at 25 °C (lit.)

SMILES字符串

O1[C@H](C(C(C(C1COCC)OCC)OCC)OCC)O[C@@H]2C(OC(C(C2OCC)OCC)OCC)COCC

InChI

1S/C28H54O11/c1-9-29-17-19-21(31-11-3)23(32-12-4)26(35-15-7)28(38-19)39-22-20(18-30-10-2)37-27(36-16-8)25(34-14-6)24(22)33-13-5/h19-28H,9-18H2,1-8H3/t19?,20?,21?,22-,23?,24?,25?,26?,27?,28+/m1/s1

InChI key

MINRZDZESGXKDM-OLIDUAMRSA-N

正在寻找类似产品? 访问 产品对比指南

应用

通过将重复的葡萄糖单位上的变量数羟基转化为乙醚基来生成乙基纤维素。乙基纤维素用于制备生物结构,例如用于药物递送的基质,微球,微粒,药丸和片剂。

制备说明

乙基纤维素可溶于多种溶剂,例如脂族醇,氯化溶剂和天然油。 它不溶于水,甘油和丙二醇。

其他说明

为了全面了解我们针对客户研究提供的各种多糖产品,建议您访问我们的碳水化合物分类页面。

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)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

没有发现合适的版本?

如果您需要特殊版本,可通过批号或批次号查找具体证书。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

Avi Schneider et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(49), 31010-31017 (2020-11-25)
Perovskite solar cells have developed into a promising branch of renewable energy. A combination of feasible manufacturing and renewable modules can offer an attractive advancement to this field. Herein, a screen-printed three-layered all-nanoparticle network was developed as a rigid framework
Syed Umer Jan et al.
Pakistan journal of pharmaceutical sciences, 25(4), 751-756 (2012-09-27)
The aim and objective of the present study was to formulate and evaluate controlled release polymeric tablets of ibuprofen with determinations of formulation factors using various grades and types of polymer ethocel i.e. ethocel standard 10P; 10FP, 100P and100FP for
N Suwannateep et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 82(3), 485-490 (2012-09-08)
The phytochemical curcumin possesses antioxidant activity; however, it becomes unstable after being exposed to light or heat or loses activity during storage. This is especially important when curcumin is applied to the skin within a cosmetic or pharmaceutical formulation, since
Anurag Verma et al.
Acta pharmaceutica (Zagreb, Croatia), 62(2), 237-250 (2012-07-04)
Chitosan has become a focus of major interest in recent years due to its excellent biocompatibility, biodegradability and non-toxicity. Although this material has already been extensively investigated in the design of different types of drug delivery systems, it is still
Daniela Traini et al.
International journal of pharmaceutics, 438(1-2), 150-159 (2012-09-12)
The potential of excipient coating to enhance aerosol performance of micronized drugs in carrier excipient-drug blends, used in dry powder inhalers, was investigated. Both EC (ethyl cellulose) and PVP (polyvinylpyrrolidone) were used as coating agents. Carriers were prepared via sieve

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门