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419028

Sigma-Aldrich

Cellulose acetate

average Mn ~50,000 by GPC

Synonym(s):

Acetylcellulose

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5 G
$174.00

$174.00

Estimated to ship onMay 26, 2025FromMILWAUKEE

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5 G
$174.00

About This Item

CAS Number:
9004-35-7
MDL number:
MFCD00081496
UNSPSC Code:
12162002
NACRES:
NA.23

$174.00

Estimated to ship onMay 26, 2025FromMILWAUKEE

Request a Bulk Order

form

powder

Quality Level

200

mol wt

average Mn ~50,000 by GPC

extent of labeling

39.7 wt. % acetyl

impurities

≤3.0% water

refractive index

n20/D 1.475 (lit.)

density

1.3 g/mL at 25 °C (lit.)

SMILES string

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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Show Differences

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Tris[2-phenylpyridinato-C2,N]iridium(III) sublimed grade

694924

Tris[2-phenylpyridinato-C2,N]iridium(III)

Tris[2-(p-tolyl)pyridine]iridium(III) ≥99% (HPLC)

932744

Tris[2-(p-tolyl)pyridine]iridium(III)

Dichlorotetrakis[3,5-difluoro-2-(2-pyridinyl)phenyl]diiridium(III) 95%

749230

Dichlorotetrakis[3,5-difluoro-2-(2-pyridinyl)phenyl]diiridium(III)

Tris[2-phenylpyridinato-C2,N]iridium(III) 97%

688096

Tris[2-phenylpyridinato-C2,N]iridium(III)

form

powder

form

-

form

solid

form

powder

loss

0.5% loss on heating, 359°C (typical, TGA)

loss

0.5% TGA, >330°C (weight loss)

loss

-

loss

-

transition temp

transition temp 437.6 °C (typical, DSC)

transition temp

-

transition temp

-

transition temp

-

λmax

282 nm

λmax

287 nm±5 nm in dichloromethane, 373 nm±5 nm in dichloromethane

λmax

-

λmax

-

fluorescence

λex 305 nm; λem 507 nm in chloroform

fluorescence

λem 514 nm±10 nm in dichloromethane

fluorescence

-

fluorescence

λex 340 nm; λem 512 nm in chloroform

General description

Cellulose acetate (CA) is a class of cellulose based esters which can be produced by a reaction of cellulose with acetic acid and acetic anhydride. It can be used in a variety of forms such as films, membranes, and fibers. It can be used as a biodegradable polymer in medical and automotive applications.[1]

Application

CA can be used as a material in packaging, clothing and pharmaceuticals industries.[2] It can also be used in the formation of polymeric electrolyte for the fabrication of electrochemical devices like fuel cells, solar cells and supercapacitors.[3]

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCX3343
    0000388808
    0000238447
    0000388808
    MKCW5765

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    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)
    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)
    Rocktotpal Konwarh et al.
    Carbohydrate polymers, 92(2), 1100-1106 (2013-02-13)
    This work focuses on the use of statistical approach in optimizing shape-size accord of electrospun cellulose acetate (CA) mats - an apt material for biomedical and industrial applications. Modulation of three processing parameters, namely potential difference, distance between tip-to-collector and
    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
    View All Related Papers

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