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Sigma-Aldrich

Sodium carboxymethyl cellulose

viscosity 50-200 cP , c=4% H2O at 25­°C

Synonym(s):

Carboxymethylcellulose sodium salt

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About This Item

CAS Number:
9004-32-4
MDL number:
MFCD00081472
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

autoignition temp.

698 °F

extent of labeling

0.7 carboxymethyl groups per anhydroglucose unit

viscosity

50-200 cP

mp

274 °C (dec.)

InChI

1S/C6H12O6.C2H4O2.Na/c7-1-3(9)5(11)6(12)4(10)2-8;1-2(3)4;/h1,3-6,8-12H,2H2;1H3,(H,3,4);

InChI key

DPXJVFZANSGRMM-UHFFFAOYSA-N

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General description

Sodium carboxymethyl cellulose (CMC) is a water dispersible sodium salt of carboxy-methyl ether of cellulose that forms a clear colloidal solution. It is a hygroscopic material that has the ability to absorb more than 50% of water at high humidity. It is also a natural polymeric derivative that can be used in detergents, food and textile industries.

Application

CMC can be used to stabilize palladized iron nanoparticles, which can further be utilized in the dichlorination of contaminated subsurfaces. It may also be used as a polymeric matrix to form a composite with a crystalline nanofibril for the development of sustainable bio-based polymers. CMC can also bind with a hard carbon electrode for the fabrication of sodium ion-batteries.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sodium carboxymethyl cellulose as a potential binder for hard-carbon negative electrodes in sodium-ion batteries
Dahbi M, et al.
Electrochemical Communications, 44(1), 66-69 (2014)
Preparation and characterization of sodium carboxymethyl cellulose/cotton linter cellulose nanofibril composite films
Oun AA and Rhim J
Carbohydrate Polymers, 127(1), 101-109 (2015)
Radiation preparation and swelling behavior of sodium carboxymethyl cellulose hydrogels
Liu P, et al.
Radiation Physics and Chemistry, 63(3-6), 525-528 (2002)
Handbook of pharmaceutical granulation technology (2016)
M Rahman et al.
Nature communications, 10(1), 3712-3712 (2019-08-20)
Nanopore-based single nanoparticle detection has recently emerged as a vibrant research field with numerous high-impact applications. Here, we introduce a programmable optofluidic chip for nanopore-based particle analysis: feedback-controlled selective delivery of a desired number of biomolecules and integration of optical
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