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Merck
CN

46080

乙基纤维素

48.0-49.5% (w/w) ethoxyl basis

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化学文摘社编号:
UNSPSC Code:
12352201
NACRES:
NA.25
MDL number:
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Quality Level

SMILES string

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

assay

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

form

coarse powder, powder

autoignition temp.

698 °F

color

beige

refractive index

n20/D 1.47 (lit.)

viscosity

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

density

1.14 g/mL at 25 °C (lit.)

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Application

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。

Preparation Note

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。

Other Notes

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。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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分析证书(COA)

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