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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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Merck
CN

419028

Sigma-Aldrich

醋酸纤维素

average Mn ~50,000 by GPC

别名:

乙酰纤维素

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1 L
¥563.70
4 L
¥2,144.58
10 L
¥5,071.06

¥563.70


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1 L
¥563.70
4 L
¥2,144.58
10 L
¥5,071.06

About This Item

CAS号:
MDL编号:
UNSPSC代码:
12162002
NACRES:
NA.23

¥563.70


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表单

powder

分子量

average Mn ~50,000 by GPC

标记范围

39.7 wt. % acetyl

杂质

≤3.0% water

折射率

n20/D 1.475 (lit.)

密度

1.3 g/mL at 25 °C (lit.)

SMILES字符串

O1[C@H](C(C(C(C1COC(=O)C)OC(=O)C)OC(=O)C)OC(=O)C)O[C@@H]2C(OC(C(C2OC(=O)C)OC(=O)C)OC(=O)C)COC(=O)C

InChI

1S/C28H38O19/c1-11(29)37-9-19-21(39-13(3)31)23(40-14(4)32)26(43-17(7)35)28(46-19)47-22-20(10-38-12(2)30)45-27(44-18(8)36)25(42-16(6)34)24(22)41-15(5)33/h19-28H,9-10H2,1-8H3/t19?,20?,21?,22-,23?,24?,25?,26?,27?,28+/m1/s1

InChI key

WOTQVEKSRLZRSX-OLIDUAMRSA-N

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109436109439109432
product line

Certipur®

product line

Certipur®

product line

Certipur®

product line

Certipur®

grade

certified reference material

grade

certified reference material

grade

certified reference material

grade

certified reference material

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

pH

4.0 (20 °C in H2O)

pH

5.0 (25 °C in H2O)

pH

7.0 (20 °C in H2O)

pH

1.0 (25 °C in H2O)

density

1.01 g/cm3 at 20 °C

density

1.01 g/cm3 at 20 °C

density

1.01 g/cm3 at 20 °C

density

1.00 g/cm3 at 20 °C

一般描述

乙酸纤维素(CA)是纤维素酯,可用纤维素与乙酸和乙酸酐反应产生。能以薄膜、膜和纤维等多种形式使用。可作为可生物降解的聚合物。用于医疗和汽车应用。[1]

应用

CA 可作为材料,应用于包装、服装和制药行业。[2]也可用于形成聚合物电解质,制造电化学仪器,例如制造燃料电池、太阳能电池和超级电容器。[3]

储存分类代码

11 - Combustible Solids

WGK

nwg

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

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Properties and applications of cellulose acetate
Macromolecular Symposia, 262(1), 89-96 (2008)
Additive manufacturing of cellulosic materials with robust mechanics and antimicrobial functionality
Pattinson SW and Hart AJ
Advanced Materials Technologies, 2(4), 1600084-1600084 (2017)
Investigation of bio polymer electrolyte based on cellulose acetate-ammonium nitrate for potential use in electrochemical devices
Monisha S, et al.
Carbohydrate Polymers, 157(4), 38-47 (2017)
Deng-Guang Yu et al.
Carbohydrate polymers, 90(2), 1016-1023 (2012-07-31)
This study investigates the use of a modified coaxial electrospinning process in the production of drug-loaded cellulose acetate (CA) nanofibers. With CA employed as a filament-forming matrix and ketoprofen (KET) as an active pharmaceutical ingredient, modified coaxial processes using sheath
Yu Luo et al.
Carbohydrate polymers, 91(1), 419-427 (2012-10-10)
We report the fabrication of a novel carbon nanotube-containing nanofibrous polysaccharide scaffolding material via the combination of electrospinning and layer-by-layer (LbL) self-assembly techniques for tissue engineering applications. In this approach, electrospun cellulose acetate (CA) nanofibers were assembled with positively charged

商品

Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.

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